/* ============================================
   SMART LOADING OVERLAY STYLES
   Full-screen blurred overlay with spinner
   ============================================ */

/* Main overlay container */
.smart-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483647; /* Maximum z-index to ensure it's on top of everything */
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
              visibility 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Visible state */
.smart-loading-overlay.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Blurred backdrop */
.smart-loading-backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg, rgba(2, 6, 23, 0.95));
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  transition: backdrop-filter 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Content container */
.smart-loading-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  padding: 24px;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.smart-loading-overlay.visible .smart-loading-content {
  transform: scale(1) translateY(0);
}

/* Spinner */
.smart-loading-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--border, #1e293b);
  border-top-color: var(--accent, #3b82f6);
  border-radius: 50%;
  animation: smartLoadingSpin 0.9s linear infinite;
  box-shadow: 
    0 0 0 1px var(--border, #1e293b),
    0 8px 32px rgba(59, 130, 246, 0.3),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

@keyframes smartLoadingSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Loading text */
.smart-loading-text {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-white, #f8fafc);
  letter-spacing: 0.02em;
  animation: smartLoadingPulse 1.8s ease-in-out infinite;
}

@keyframes smartLoadingPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* Body lock when loading */
body.smart-loading-active {
  overflow: hidden !important;
}

/* ============================================
   THEME VARIANTS (auto-adapts via CSS variables)
   ============================================ */

/* LootLingua (default dark) */
[data-theme="lootlingua"] .smart-loading-spinner {
  border-color: var(--border);
  border-top-color: var(--accent);
  box-shadow: 
    0 0 0 1px var(--border),
    0 8px 32px rgba(59, 130, 246, 0.35),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* Golden theme */
[data-theme="golden"] .smart-loading-spinner {
  border-color: var(--border);
  border-top-color: var(--accent);
  box-shadow: 
    0 0 0 1px var(--border),
    0 8px 32px rgba(184, 134, 11, 0.35),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* Scroll theme (light) */
[data-theme="scroll"] .smart-loading-spinner {
  border-color: var(--border);
  border-top-color: var(--accent);
  box-shadow: 
    0 0 0 1px var(--border),
    0 8px 32px rgba(74, 55, 40, 0.35),
    inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

/* Ocean theme (light) */
[data-theme="ocean"] .smart-loading-spinner {
  border-color: var(--border);
  border-top-color: var(--accent);
  box-shadow: 
    0 0 0 1px var(--border),
    0 8px 32px rgba(37, 99, 235, 0.35),
    inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

/* Glass theme */
[data-theme="glass"] .smart-loading-backdrop {
  background: var(--glass-bg-1, rgba(255, 255, 255, 0.05));
  backdrop-filter: blur(20px) saturate(100%);
  -webkit-backdrop-filter: blur(20px) saturate(100%);
}

[data-theme="glass"] .smart-loading-spinner {
  border-color: var(--glass-border-1);
  border-top-color: var(--accent);
  box-shadow: 
    0 0 0 1px var(--glass-border-1),
    0 8px 32px rgba(14, 165, 233, 0.35),
    inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

[data-theme="glass"] .smart-loading-text {
  color: var(--text-white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ============================================
   PERFORMANCE MODE ADAPTATIONS
   ============================================ */

/* Reduce animations in turbo/stable modes — keep spinner rotating smoothly */
body.perf-turbo .smart-loading-text,
body.perf-stable .smart-loading-text {
  animation: none;
  opacity: 1;
}

body.perf-turbo .smart-loading-content,
body.perf-stable .smart-loading-content {
  transition: none;
}

body.perf-turbo .smart-loading-backdrop,
body.perf-stable .smart-loading-backdrop {
  transition: none;
}

body.perf-turbo .smart-loading-overlay,
body.perf-stable .smart-loading-overlay {
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

/* ============================================
   REDUCED MOTION ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .smart-loading-spinner {
    animation: none;
    border-top-color: transparent;
    background: conic-gradient(from 0deg, var(--accent), transparent 50%, var(--accent));
  }
  
  .smart-loading-text {
    animation: none;
  }
  
  .smart-loading-content {
    transition: none;
    transform: scale(1) translateY(0);
  }
  
  .smart-loading-overlay {
    transition: opacity 0.2s ease, visibility 0.2s ease;
  }
  
  .smart-loading-backdrop {
    transition: none;
  }
}

/* ============================================
   RTL SUPPORT (already handled by dir="rtl" on html)
   ============================================ */
[dir="rtl"] .smart-loading-text {
  text-align: right;
}

/* ============================================
   HIGH CONTRAST MODE
   ============================================ */
@media (prefers-contrast: high) {
  .smart-loading-spinner {
    border-width: 5px;
    border-color: var(--text-white);
    border-top-color: var(--accent);
  }
  
  .smart-loading-backdrop {
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: none;
  }
}

/* ============================================
   SLOW CONNECTION WARNING
   ============================================ */
.smart-loading-slow-warning {
  margin: 0;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent2, #f59e0b);
  background: color-mix(in srgb, var(--accent2, #f59e0b) 15%, var(--surface-bg, #1e293b));
  border: 1px solid color-mix(in srgb, var(--accent2, #f59e0b) 40%, var(--border, #1e293b));
  border-radius: 12px;
  max-width: 90vw;
  line-height: 1.5;
  text-align: center;
  animation: smartLoadingWarningFadeIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes smartLoadingWarningFadeIn {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Theme variants for slow warning */
[data-theme="lootlingua"] .smart-loading-slow-warning {
  color: var(--star, #f59e0b);
  background: color-mix(in srgb, var(--star, #f59e0b) 15%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--star, #f59e0b) 40%, var(--border));
}

[data-theme="golden"] .smart-loading-slow-warning {
  color: var(--star, #f59e0b);
  background: color-mix(in srgb, var(--star, #f59e0b) 15%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--star, #f59e0b) 40%, var(--border));
}

[data-theme="scroll"] .smart-loading-slow-warning {
  color: var(--star, #b45309);
  background: color-mix(in srgb, var(--star, #b45309) 15%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--star, #b45309) 40%, var(--border));
}

[data-theme="ocean"] .smart-loading-slow-warning {
  color: var(--star, #ca8a04);
  background: color-mix(in srgb, var(--star, #ca8a04) 15%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--star, #ca8a04) 40%, var(--border));
}

[data-theme="glass"] .smart-loading-slow-warning {
  color: var(--star, #f59e0b);
  background: color-mix(in srgb, var(--star, #f59e0b) 15%, var(--glass-bg-2));
  border-color: color-mix(in srgb, var(--star, #f59e0b) 40%, var(--glass-border-2));
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Performance mode adaptations for slow warning */
body.perf-turbo .smart-loading-slow-warning,
body.perf-stable .smart-loading-slow-warning {
  animation: none;
  opacity: 1;
}

/* Reduced motion for slow warning */
@media (prefers-reduced-motion: reduce) {
  .smart-loading-slow-warning {
    animation: none;
    opacity: 1;
    transform: translateY(0);
  }
}

/* High contrast for slow warning */
@media (prefers-contrast: high) {
  .smart-loading-slow-warning {
    border-width: 2px;
    background: var(--surface-bg);
    color: var(--star);
  }
}

/* ── إشعارات (مرتبطة بالزر) ── */
.notif-hub {
  position: relative;
  flex-shrink: 0;
}
.notif-bell-btn {
  position: relative;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--text-gray);
  background: color-mix(in srgb, var(--surface-bg) 80%, transparent);
  transition: color 0.22s, transform 0.18s, background 0.22s, box-shadow 0.22s;
  overflow: visible;
}
.notif-bell-ring {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid transparent;
  pointer-events: none;
  transition: border-color 0.25s, transform 0.25s;
}
.notif-hub.notif-open .notif-bell-ring {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  animation: notifRingPulse 1.2s ease infinite;
}
.notif-bell-btn i {
  font-size: 17px;
  transition: transform 0.35s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.notif-hub.notif-open .notif-bell-btn {
  color: var(--star);
  background: color-mix(in srgb, var(--accent) 22%, var(--surface-bg));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}
.notif-hub.notif-open .notif-bell-btn i {
  animation: notifBellWiggle 0.55s ease;
}
.notif-bell-btn:hover {
  color: var(--text-white);
  background: var(--accent-soft);
}
.notif-badge {
  position: absolute;
  top: -2px;
  left: -2px;
  background: var(--danger);
  color: #fff;
  border-radius: 50%;
  font-size: 0.65rem;
  min-width: 16px;
  min-height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(0,0,0,0.28);
  z-index: 2;
  animation: notifBadgePop 0.35s cubic-bezier(0.34, 1.4, 0.64, 1);
}
@keyframes notifRingPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}
@keyframes notifBellWiggle {
  0%, 100% { transform: rotate(0); }
  20% { transform: rotate(-14deg); }
  40% { transform: rotate(12deg); }
  60% { transform: rotate(-8deg); }
  80% { transform: rotate(6deg); }
}
@keyframes notifBadgePop {
  0% { transform: scale(0.4); }
  70% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.notif-popover {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px) scale(0.94);
  width: min(300px, 88vw);
  max-width: calc(100vw - 24px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: var(--legend-glass-bg, color-mix(in srgb, var(--card-bg) 40%, transparent));
  border-radius: 18px;
  box-shadow: var(--legend-glass-shadow, 0 20px 50px rgba(0, 0, 0, 0.42));
  border: 1px solid var(--legend-glass-border, color-mix(in srgb, var(--border) 70%, transparent));
  z-index: 10060;
  padding: 0 0 8px;
  backdrop-filter: var(--legend-glass-blur, blur(20px) saturate(165%));
  -webkit-backdrop-filter: var(--legend-glass-blur, blur(20px) saturate(165%));
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.34, 1.2, 0.64, 1), visibility 0.22s;
}
.notif-popover.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0) scale(1);
}
.notif-hub { overflow: visible; }
.notif-popover-arrow {
  position: absolute;
  top: -7px;
  left: 50%;
  width: 14px;
  height: 14px;
  transform: translateX(-50%) rotate(45deg);
  background: color-mix(in srgb, var(--card-bg) 82%, transparent);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.notif-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 8px;
  font-weight: 800;
  font-size: 14px;
  color: var(--text-white);
  gap: 8px;
}
.notif-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.notif-clear-all {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--danger) 45%, var(--border));
  background: color-mix(in srgb, var(--danger) 10%, var(--surface-bg));
  color: var(--danger);
  font-size: 11px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.notif-clear-all:hover {
  background: color-mix(in srgb, var(--danger) 20%, var(--surface-bg));
  transform: translateY(-1px);
}
.notif-panel-header span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.notif-panel-header span i { color: var(--star); }
.notif-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-gray);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.2s, color 0.2s, transform 0.16s;
}
.notif-close:hover {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, var(--surface-bg));
}
.notifications-list {
  list-style: none;
  margin: 0;
  padding: 0 14px 6px;
  max-height: min(50vh, 280px);
  overflow-y: auto;
}
.notif-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 13px;
  background: var(--surface-bg);
  color: var(--text-white);
  transition: transform 0.16s ease, background 0.2s ease;
}
.notif-item:last-child { margin-bottom: 0; }
.notif-item-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 13px;
  background: color-mix(in srgb, var(--accent) 20%, var(--surface-bg));
  color: var(--star);
}
.notif-msg {
  flex: 1;
  color: var(--text-white);
  line-height: 1.45;
  padding-top: 4px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: wrap;
}
.notif-stack-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent2) 35%, var(--surface-bg));
  color: var(--text-white);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  flex-shrink: 0;
}
.notif-time {
  color: var(--text-gray);
  font-size: 11px;
  white-space: nowrap;
  padding-top: 5px;
}
.notif-item.notif-success {
  background: color-mix(in srgb, var(--success) 14%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--success) 40%, var(--border));
}
.notif-item.notif-success .notif-item-icon {
  background: color-mix(in srgb, var(--success) 28%, var(--surface-bg));
  color: var(--success);
}
.notif-item.notif-danger {
  background: color-mix(in srgb, var(--danger) 14%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
}
.notif-item.notif-danger .notif-item-icon {
  background: color-mix(in srgb, var(--danger) 28%, var(--surface-bg));
  color: var(--danger);
}
.notif-item.notif-warning {
  background: color-mix(in srgb, var(--accent2) 14%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--accent2) 40%, var(--border));
}
.notif-item.notif-warning .notif-item-icon {
  background: color-mix(in srgb, var(--accent2) 28%, var(--surface-bg));
  color: var(--accent2);
}
.notif-item.notif-info {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-bg));
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.notif-item.notif-info .notif-item-icon {
  background: color-mix(in srgb, var(--accent) 25%, var(--surface-bg));
  color: var(--accent);
}
.notif-empty {
  text-align: center;
  color: var(--text-gray);
  padding: 2rem 0;
  background: transparent;
  border: none;
}

/* تأثير البوب لعناصر الكنز */
.pop-active {
  animation: pop-bounce 0.28s cubic-bezier(.42,1.52,.58,1) both;
  z-index: 10 !important;
}
@keyframes pop-bounce {
  0% { transform: scale(1) translateY(0); }
  40% { transform: scale(1.12) translateY(-4px); }
  70% { transform: scale(0.97) translateY(1px); }
  100% { transform: scale(1) translateY(0); }
}
.nametag.show, .treasure-nametag.show, .treasure-details.show {
  opacity: 1 !important;
  pointer-events: auto !important;
  transition: opacity 0.18s;
}
/* شطب التحديد الأزرق البشع في التلفونات */
* {
    -webkit-tap-highlight-color: transparent;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
}

/* حركة ضغط احترافية للأزرار والكروت بدل اللون الأزرق */
.word-card:active, 
.icon-circle:active, 
.btn-add-mine:active, 
.nav-link:active {
    transform: scale(0.98); /* ضغط خفيف بدون اهتزاز */
    transition: transform 0.08s ease;
}

/* ── Theme System ──────────────────────────── */
[data-theme="lootlingua"] {
  --main-bg:    #020617;
  --card-bg:    #0f172a;
  --surface-bg: #1e293b;
  --accent:     #3b82f6;
  --accent2:    #6366f1;
  --text-white: #f8fafc;
  --text-gray:  #94a3b8;
  --danger:     #ef4444;
  --success:    #10b981;
  --star:       #f59e0b;
  --border:     #1e293b;
  --scrollbar-thumb: rgba(59,130,246,0.25);
  --scrollbar-thumb-hover: rgba(59,130,246,0.45);
  --hover-bg:       rgba(59,130,246,0.1);
  --track-bg:       rgba(255,255,255,0.06);
  --accent-soft:    rgba(59,130,246,0.15);
  --danger-soft:    rgba(239,68,68,0.15);
  --success-soft:   rgba(16,185,129,0.15);
  --star-soft:      rgba(245,158,11,0.15);
  --overlay-bg:     rgba(2,6,23,0.95);
  --active-nav-bg:  rgba(59,130,246,0.12);
  --game-overlay:   rgba(2,6,23,0.75);
  --game-card-bg:   rgba(15,23,42,0.82);
  --text-on-accent: #ffffff;
  --text-on-star:   #1a1a1a;
  --header-grad:    #60a5fa;
  --focus-ring:     rgba(99,102,241,0.2);
  --danger-warn-bg: rgba(239,68,68,0.12);
  --danger-warn-bdr:rgba(239,68,68,0.3);
  --danger-warn-txt:#fca5a5;
  --heatmap-0: rgba(255,255,255,0.04);
  --heatmap-1: #1e3a5f;
  --heatmap-2: #1d4ed8;
  --heatmap-3: #3b82f6;
  --heatmap-4: #60a5fa;
  --tag-verb: #f97316;
  --tag-noun: #8b5cf6;
  --tag-adj: #10b981;
  --tag-tool: #ef4444;
  --tag-sentence: #14b8a6;
  --tag-general: #64748b;
  --tag-adverb: #3b82f6;
  --tag-game: #f59e0b;
}

[data-theme="golden"] {
  --main-bg:    #0a0a0a;
  --card-bg:    #171717;
  --surface-bg: #262626;
  --accent:     #c9a227;
  --accent2:    #7c3aed;
  --text-white: #ffffff;
  --text-gray:  #a1a1aa;
  --danger:     #dc2626;
  --success:    #10b981;
  --star:       #f59e0b;
  --border:     #27272a;
  --scrollbar-thumb: rgba(184,134,11,0.25);
  --scrollbar-thumb-hover: rgba(184,134,11,0.45);
  --hover-bg:       rgba(184,134,11,0.08);
  --track-bg:       rgba(255,255,255,0.06);
  --accent-soft:    rgba(184,134,11,0.15);
  --danger-soft:    rgba(220,38,38,0.15);
  --success-soft:   rgba(22,163,74,0.15);
  --star-soft:      rgba(251,191,36,0.15);
  --overlay-bg:     rgba(10,10,10,0.95);
  --active-nav-bg:  rgba(184,134,11,0.12);
  --game-overlay:   rgba(10,10,10,0.85);
  --game-card-bg:   rgba(23,23,23,0.9);
  --text-on-accent: #ffffff;
  --text-on-star:   #000000;
  --header-grad:    #fbbf24;
  --focus-ring:     rgba(184,134,11,0.2);
  --danger-warn-bg: rgba(220,38,38,0.12);
  --danger-warn-bdr:rgba(220,38,38,0.3);
  --danger-warn-txt:#fca5a5;
  --heatmap-0: rgba(255,255,255,0.05);
  --heatmap-1: #4a3c05;
  --heatmap-2: #8b710a;
  --heatmap-3: #b8860b;
  --heatmap-4: #d4af37;
  --tag-verb: #ea580c;
  --tag-noun: #7c3aed;
  --tag-adj: #16a34a;
  --tag-tool: #dc2626;
  --tag-sentence: #0d9488;
  --tag-general: #52525b;
  --tag-adverb: #2563eb;
  --tag-game: #d97706;
}

[data-theme="scroll"] {
  --main-bg:    #eee8dd;
  --card-bg:    #e8e0d4;
  --surface-bg: #d4c8b8;
  --accent:     #2d1f16;
  --accent2:    #4a3528;
  --text-white: #1a120b;
  --text-gray:  #5c4030;
  --danger:     #991b1b;
  --success:    #166534;
  --star:       #b45309;
  --border:     #9c8b72;
  --scrollbar-thumb: rgba(74,55,40,0.25);
  --scrollbar-thumb-hover: rgba(74,55,40,0.45);
  --hover-bg:       rgba(74,55,40,0.08);
  --track-bg:       rgba(0,0,0,0.08);
  --accent-soft:    rgba(74,55,40,0.12);
  --danger-soft:    rgba(153,27,27,0.12);
  --success-soft:   rgba(22,101,52,0.12);
  --star-soft:      rgba(180,83,9,0.15);
  --overlay-bg:     rgba(184,172,142,0.95);
  --active-nav-bg:  rgba(74,55,40,0.12);
  --game-overlay:   rgba(184,172,142,0.88);
  --game-card-bg:   rgba(232,224,212,0.75);
  --text-on-accent: #ffffff;
  --text-on-star:   #ffffff;
  --header-grad:    #634a35;
  --focus-ring:     rgba(74,55,40,0.2);
  --danger-warn-bg: rgba(153,27,27,0.1);
  --danger-warn-bdr:rgba(153,27,27,0.3);
  --danger-warn-txt:#991b1b;
  --heatmap-0: rgba(0,0,0,0.04);
  --heatmap-1: #c4b69d;
  --heatmap-2: #8b6a4b;
  --heatmap-3: #5d4037;
  --heatmap-4: #4a3728;
  --tag-verb: #c2410c;
  --tag-noun: #7c3aed;
  --tag-adj: #15803d;
  --tag-tool: #b91c1c;
  --tag-sentence: #0f766e;
  --tag-general: #57534e;
  --tag-adverb: #1d4ed8;
  --tag-game: #b45309;
}

[data-theme="ocean"] {
  --main-bg:    #e2e8f0;
  --card-bg:    #ffffff;
  --surface-bg: #f1f5f9;
  --accent:     #1e40af;
  --accent2:    #1e3a8a;
  --text-white: #0f172a;
  --text-gray:  #475569;
  --danger:     #dc2626;
  --success:    #16a34a;
  --star:       #ca8a04;
  --border:     #e2e8f0;
  --scrollbar-thumb: rgba(37,99,235,0.25);
  --scrollbar-thumb-hover: rgba(37,99,235,0.45);
  --hover-bg:       rgba(37,99,235,0.08);
  --track-bg:       rgba(0,0,0,0.08);
  --accent-soft:    rgba(37,99,235,0.12);
  --danger-soft:    rgba(220,38,38,0.12);
  --success-soft:   rgba(22,163,74,0.12);
  --star-soft:      rgba(202,138,4,0.15);
  --overlay-bg:     rgba(203,213,225,0.95);
  --active-nav-bg:  rgba(37,99,235,0.12);
  --game-overlay:   rgba(148,163,184,0.85);
  --game-card-bg:   rgba(255,255,255,0.92);
  --text-on-accent: #ffffff;
  --text-on-star:   #ffffff;
  --header-grad:    #3b82f6;
  --focus-ring:     rgba(37,99,235,0.2);
  --danger-warn-bg: rgba(220,38,38,0.1);
  --danger-warn-bdr:rgba(220,38,38,0.3);
  --danger-warn-txt:#dc2626;
  --heatmap-0: rgba(0,0,0,0.04);
  --heatmap-1: #bfdbfe;
  --heatmap-2: #60a5fa;
  --heatmap-3: #2563eb;
  --heatmap-4: #1d4ed8;
  --tag-verb: #ea580c;
  --tag-noun: #7c3aed;
  --tag-adj: #16a34a;
  --tag-tool: #dc2626;
  --tag-sentence: #0891b2;
  --tag-general: #475569;
  --tag-adverb: #2563eb;
  --tag-game: #d97706;
}

[data-theme="glass"] {
  /* نظام الزجاج المتكامل - Glass System */
  --glass-bg-1:     rgba(255, 255, 255, 0.05);   /* للطبقات الخلفية */
  --glass-bg-2:     rgba(255, 255, 255, 0.08);   /* للبطاقات العادية */
  --glass-bg-3:     rgba(255, 255, 255, 0.10);   /* للعناصر الأمامية */
  --glass-bg-input: rgba(255, 255, 255, 0.12);   /* للمدخلات */
  
  /* لمعة قطريه - Diagonal Specular Highlight */
  --glass-shine: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, rgba(255,255,255,0.05) 50%, transparent 100%);
  
  --glass-border-1: rgba(255, 255, 255, 0.35);   /* حدود خفيفة */
  --glass-border-2: rgba(255, 255, 255, 0.50);   /* حدود واضحة */
  --glass-border-3: rgba(255, 255, 255, 0.70);   /* حدود بيضاء */
  
  --glass-blur-bg:    20px;
  --glass-blur-card:  16px;
  --glass-blur-input: 12px;
  --glass-saturation: 100%;
  
  --glass-shadow-soft:  0 4px 24px rgba(31, 38, 135, 0.12);
  --glass-shadow-medium: 0 8px 32px rgba(31, 38, 135, 0.15);
  --glass-shadow-strong: 0 16px 48px rgba(31, 38, 135, 0.20);
  --glass-inner-glow: inset 0 1px 1px rgba(255, 255, 255, 0.4);
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  
  /* الألوان الأساسية */
  --main-bg:    linear-gradient(135deg, #06b6d4 0%, #0891b2 25%, #0c4a6e 50%, #075985 75%, #06b6d4 100%);
  --main-bg-size: 400% 400%;
  --card-bg:    var(--glass-bg-2);
  --surface-bg: var(--glass-bg-input);
  --accent:     #0ea5e9;
  --accent2:    #06b6d4;
  --text-white: #1e293b;
  --text-gray:  #475569;
  --danger:     #ef4444;
  --success:    #10b981;
  --star:       #f59e0b;
  --border:     var(--glass-border-2);
  --glass-blur: 4px;
  --glass-saturation: 100%;
  --scrollbar-thumb: rgba(14,165,233,0.3);
  --scrollbar-thumb-hover: rgba(14,165,233,0.5);
  --hover-bg:       rgba(255,255,255,0.15);
  --track-bg:       rgba(255,255,255,0.1);
  --accent-soft:    rgba(14,165,233,0.15);
  --danger-soft:    rgba(239,68,68,0.15);
  --success-soft:   rgba(16,185,129,0.15);
  --star-soft:      rgba(245,158,11,0.2);
  --overlay-bg:     rgba(15,23,42,0.85);
  --active-nav-bg:  rgba(255,255,255,0.2);
  --game-overlay:   rgba(15,23,42,0.7);
  --game-card-bg:   rgba(255,255,255,0.3);
  --text-on-accent: #ffffff;
  --text-on-star:   #ffffff;
  --header-grad:    #0ea5e9;
  --focus-ring:     rgba(14,165,233,0.25);
  --danger-warn-bg: rgba(239,68,68,0.12);
  --danger-warn-bdr:rgba(239,68,68,0.3);
  --danger-warn-txt:#ef4444;
  --heatmap-0: rgba(255,255,255,0.1);
  --heatmap-1: #bae6fd;
  --heatmap-2: #7dd3fc;
  --heatmap-3: #38bdf8;
  --heatmap-4: #0ea5e9;
  --tag-verb: #f97316;
  --tag-noun: #8b5cf6;
  --tag-adj: #10b981;
  --tag-tool: #ef4444;
  --tag-sentence: #06b6d4;
  --tag-general: #64748b;
  --tag-adverb: #3b82f6;
  --tag-game: #f59e0b;
}

:root {
  --sidebar-rail: 0px;
  --sidebar-open: 0px;
  --legend-top-h: 56px;
  --content-max: 620px;
  --legend-glass-bg: color-mix(in srgb, var(--card-bg) 36%, transparent);
  --legend-glass-border: color-mix(in srgb, var(--border) 65%, transparent);
  --legend-glass-blur: blur(20px) saturate(168%);
  --legend-glass-shadow: 0 16px 42px rgba(0, 0, 0, 0.28), inset 0 1px 0 color-mix(in srgb, var(--text-white) 10%, transparent);
}

*, *::before, *::after { box-sizing: border-box; }

/* ── Custom Scrollbar ──────────────────────── */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}
::-webkit-scrollbar-corner { background: transparent; }
/* Firefox */
html { scrollbar-width: thin; scrollbar-color: var(--scrollbar-thumb) transparent; }

html { overflow-x: clip; }

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background-color: var(--main-bg);
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  color: var(--text-white);
  overflow-x: clip;
  transition: background-image 0.5s ease-in-out;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Sidebar ──────────────────────────────── */
.sidebar {
  position: fixed; top: 0; right: 0;
  width: var(--sidebar-rail); height: 100vh;
  background: linear-gradient(180deg, var(--main-bg) 0%, var(--card-bg) 100%);
  box-shadow: -5px 0 24px rgba(0,0,0,0.55);
  transition: width 0.32s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.28s ease, right 0.32s cubic-bezier(0.25, 0.8, 0.25, 1);
  padding: 18px 10px 18px 10px; z-index: 1000;
  overflow: visible;
  border-left: 1px solid var(--border);
  color: var(--text-white);
}
.sidebar nav {
  overflow-y: auto; overflow-x: hidden;
  height: calc(100vh - 60px);
  scrollbar-gutter: stable;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; -ms-overflow-style: none;
}
.sidebar nav::-webkit-scrollbar { width: 0; height: 0; }
.sidebar.open {
  width: var(--sidebar-open);
  box-shadow: -10px 0 34px rgba(0,0,0,0.72);
  border-left: 1px solid var(--border);
}
body.view-transitioning .sidebar,
body.view-transitioning .main-content,
body.view-transitioning .sidebar.open {
  transition: none !important;
}
.sidebar-header h2 {
  color: var(--accent);
  margin: 0 0 18px;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
.sidebar-header { cursor: pointer; }
.side-label {
  display: inline-block;
  opacity: 0;
  visibility: hidden;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  pointer-events: none;
  flex: 0 0 0;
  margin: 0;
  padding: 0;
  border: none;
  color: var(--text-white);
  transition: opacity 0.18s ease, visibility 0s linear 0.18s, max-width 0s linear 0.18s;
}
.sidebar.open .side-label {
  flex: 0 1 auto;
  opacity: 1;
  visibility: visible;
  max-width: 200px;
  margin: initial;
  padding: initial;
  pointer-events: auto;
  transition: opacity 0.2s ease 0.04s, visibility 0s, max-width 0.22s cubic-bezier(0.25, 0.8, 0.25, 1) 0.04s;
}

.nav-link {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-gray); text-decoration: none;
  padding: 11px 12px; margin-bottom: 6px;
  border-radius: 10px; transition: 0.25s; font-size: 14px;
  min-height: 44px;
}
.nav-link i { width: 20px; text-align: center; font-size: 16px; flex-shrink: 0; }
.nav-link:hover { background: var(--card-bg); color: var(--text-white); }

.sidebar-divider {
  color: var(--text-gray); font-size: 11px; letter-spacing: .05em;
  text-transform: uppercase; margin: 18px 0 8px;
  padding-bottom: 6px; border-bottom: 1px solid var(--border);
  font-weight: 600;
}

@media (min-width: 769px) {
  .sidebar:not(.open) .sidebar-divider,
  .sidebar:not(.open) .nav-thin-divider {
    margin: 10px 6px;
  }
  .sidebar:not(.open) .sidebar-header h2 {
    justify-content: center;
    font-size: 17px;
  }
  .sidebar:not(.open) .nav-link {
    justify-content: center;
    padding: 11px 0;
  }
  .sidebar:not(.open) .theme-selector {
    display: none;
  }
}

/* ── Hamburger ────────────────────────────── */
.menu-btn {
  position: fixed; top: 12px; right: calc(var(--sidebar-rail) + 12px);
  background: var(--card-bg); padding: 10px 14px;
  border-radius: 10px; cursor: pointer; z-index: 1001;
  border: 1px solid var(--border); font-size: 18px;
  transition: background 0.2s, opacity 0.22s ease, transform 0.22s ease;
}
.menu-btn:hover { background: var(--card-bg); }

/* على كمبيوتر: اخفي الـ hamburger */
@media (min-width: 769px) {
  .menu-btn { display: none; }
}

/* على موبايل: اخفي الـ hamburger لما يكون السايدبار مفتوح */
@media (max-width: 768px) {
  body.sidebar-open .menu-btn,
  body.hide-mobile-hamburger .menu-btn {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.8);
  }
}

.backup-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.help-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.help-btn:hover {
  background: var(--accent-soft);
  transform: scale(1.03);
}

.onboarding-only {
  display: none;
}

.onboarding-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  z-index: 100000; 
  opacity: 0;
  pointer-events: none; 
  transition: opacity 0.2s ease;
}
.onboarding-backdrop.visible {
  opacity: 1;
  pointer-events: none; /* Changed to none - backdrop itself doesn't block */
}
/* When onboarding is active, block clicks everywhere EXCEPT on active targets */
body.onboarding-active .main-content,
body.onboarding-active .sidebar,
body.onboarding-active .menu-btn,
body.onboarding-active .legend-top-bar,
body.onboarding-active .legend-dock {
  pointer-events: none;
}
body.onboarding-active .profile-modal:not(:has(.onboarding-active-target)) {
  pointer-events: none;
}
/* Allow clicks on onboarding target elements even when backdrop is visible */
body.onboarding-active .onboarding-active-target,
body.onboarding-active .onboarding-active-target * {
  pointer-events: auto !important;
  z-index: 100006 !important;
}
/* Allow clicks on onboarding box and tooltip */
.onboarding-box, .onboarding-tooltip {
  pointer-events: auto !important;
  z-index: 100010 !important;
}


.onboarding-box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 420px;
  width: min(94vw, 420px);
  background: var(--card-bg);
  border: 2px solid var(--accent);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  padding: 24px;
  z-index: 100010; /* فوق طبقة الحجب */
  color: var(--text-white);
  display: grid;
  gap: 14px;
  text-align: center;
  pointer-events: auto !important; /* ضمان قابلية الضغط */
}
.onboarding-box.hidden {
  display: none;
}
.onboarding-content h2 {
  margin: 0;
  font-size: 18px;
}
.onboarding-content p {
  margin: 0;
  line-height: 1.6;
  color: var(--text-gray);
}
.onboarding-extras {
  display: grid;
  gap: 10px;
}
.onboarding-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}
.onboarding-tooltip {
  position: fixed;
  min-width: 220px;
  max-width: 280px;
  background: var(--card-bg);
  border: 2px solid var(--accent);
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--text-white);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  z-index: 100005; /* أعلى من العنصر المحدد والـ backdrop */
  display: none;
  line-height: 1.6;
  pointer-events: none;
}
.onboarding-next-btn {
  background: rgba(255, 255, 255, 0.08); /* خلفية شفافة عصرية */
  color: var(--accent); /* نص بلون مميز */
  border: 1px solid var(--accent); /* حدود بلون مميز */
  padding: 8px 16px; /* تصغير قليل */
  margin-top: 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  width: 100%;
  transition: all 0.3s ease;
}
.onboarding-next-btn:hover {
  background: var(--accent); /* يتلون بالكامل عند التمرير */
  color: #fff;
  transform: translateY(-1px);
}

.onboarding-tooltip.visible {
  display: block;
}
.onboarding-tooltip::after {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border: 8px solid transparent;
  pointer-events: none; /* Ensure arrow doesn't block target clicks */
}
.onboarding-tooltip.arrow-bottom::after {
  top: -16px;
  left: calc(50% - 8px);
  border-bottom-color: var(--card-bg);
}
.onboarding-tooltip.arrow-top::after {
  bottom: -16px;
  left: calc(50% - 8px);
  border-top-color: var(--card-bg);
}
.onboarding-tooltip.arrow-left::after {
  right: -16px;
  top: calc(50% - 8px);
  border-left-color: var(--card-bg);
}
.onboarding-tooltip.arrow-right::after {
  left: -16px;
  top: calc(50% - 8px);
  border-right-color: var(--card-bg);
}

/* تأثير ظهور الـ tooltip الأخير */
@keyframes tooltipPopIn {
  0% {
    opacity: 0;
    transform: scale(0.5) translateY(20px);
  }
  50% {
    transform: scale(1.1) translateY(-5px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* جعل الـ tooltip الأخير أكبر وأكثر وضوحاً */
#onboardingTooltip[style*="top"]:not(.arrow-top):not(.arrow-bottom):not(.arrow-left):not(.arrow-right) {
  min-width: 300px;
  max-width: 400px;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  padding: 20px 24px;
}

.onboarding-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.onboarding-example-chip {
  padding: 8px 12px;
  background: var(--surface-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.onboarding-example-chip:hover,
.onboarding-example-chip.active {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}
.onboarding-highlight-ring {
  position: fixed;
  z-index: 100005;
  pointer-events: none;
  box-shadow: 0 0 0 max(120vh, 120vw) rgba(0, 0, 0, 0.84);
  transition: top 0.2s ease, left 0.2s ease, width 0.2s ease, height 0.2s ease;
}
.onboarding-active-target {
  position: relative;
  z-index: 100007 !important;
  pointer-events: auto !important;
  isolation: isolate;
}
.legend-dock .onboarding-active-target,
.legend-top-bar .onboarding-active-target,
.treasure-dock-btn.onboarding-active-target,
#heroAvatarBtn.onboarding-active-target,
.profile-modal .onboarding-active-target {
  z-index: 100008 !important;
}
body.onboarding-active .profile-modal.open {
  pointer-events: auto !important;
}
body.onboarding-active .profile-modal.open .profile-modal-backdrop {
  pointer-events: none !important;
}
.onboarding-nav-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 10px;
}
.onboarding-back-btn,
.onboarding-skip-btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-gray);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  font-family: inherit;
  transition: background 0.2s, color 0.2s;
}
.onboarding-back-btn:hover {
  color: var(--text-white);
  background: var(--accent-soft);
}
.onboarding-skip-btn:hover {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 50%, var(--border));
}
.onboarding-tip-text {
  line-height: 1.55;
  font-size: 14px;
}
@media (max-width: 768px) {
  #onboardingTooltip.mobile-sheet.dock-step {
    bottom: calc(96px + env(safe-area-inset-bottom)) !important;
    border-radius: 1.2rem !important;
    max-height: 38vh !important;
    overflow-y: auto !important;
  }
  #onboardingTooltip.mobile-sheet.profile-step {
    bottom: 12px !important;
    max-height: 44vh !important;
  }
  #onboardingTooltip.mobile-sheet.finish-step {
    bottom: auto !important;
    top: 50% !important;
    left: 12px !important;
    right: 12px !important;
    width: auto !important;
    transform: translateY(-50%) !important;
    border-radius: 1.2rem !important;
    border: 1px solid var(--border) !important;
    border-top: 3px solid var(--accent) !important;
    max-height: 55vh !important;
  }
}
.onboarding-action-target {
  position: relative;
  z-index: 2005 !important;
}
.onboarding-step-buttons .btn-secondary {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-white);
  padding: 10px 14px;
  border-radius: 12px;
}
.onboarding-step-buttons .btn-secondary:hover {
  background: rgba(255,255,255,0.08);
}

/* ── Main ─────────────────────────────────── */
.main-content {
  /* على الكمبيوتر: نترك مسافة للـ rail دائماً */
  padding: 30px 24px 40px;
  padding-right: calc(var(--sidebar-rail) + 24px);
  max-width: calc(620px + var(--sidebar-rail));
  margin: 0 auto;
  transition: padding 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* لما السايدبار مفتوح: زد الـ padding */
.sidebar-open .main-content {
  padding-right: calc(var(--sidebar-open) + 24px);
}

@media (max-width: 768px) {
  :root {
    --sidebar-rail: 0px;   /* موبايل: السايدبار مختفي تماماً لما مغلق */
    --sidebar-open: 260px;
  }
  /* السايدبار يبدأ من خارج الشاشة */
  .sidebar {
    right: -280px;
    width: 260px !important; /* override the rail width */
    box-shadow: none;
    border-left: none;
  }
  .sidebar.open {
    right: 0;
    box-shadow: -10px 0 34px rgba(0,0,0,0.72);
    border-left: 1px solid rgba(148,163,184,0.16);
    z-index: 1002;
  }
  /* main-content على الموبايل بدون offset للسايدبار */
  .main-content {
    padding: 70px 16px 40px !important;
    padding-right: 16px !important;
    max-width: 100% !important;
  }
  .sidebar-open .main-content {
    padding-right: 16px !important;
  }
  .main-content { transition: none; }
  .sidebar { transition: right 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.25s ease; }
  .game-card, .word-card { animation: none; }
  body.game-bg-active::before {
    background-attachment: scroll !important;
    filter: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  body.game-bg-active .game-card {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .streak-wrap.streak-hot { animation: none; }
  .xp-fill::after { animation: none; display: none; }
}
@media (max-width: 768px) and (prefers-reduced-motion: reduce) {
  .game-card, .streak-wrap, .nav-link, .sidebar, .word-card, .side-label { transition: none !important; }
}

.page-header h1 {
  margin: 0 0 6px; font-size: 22px;
  background: linear-gradient(135deg, var(--text-white), var(--header-grad));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* للصفحات اللي فيها خلفية ألعاب - عنوان أوضح */
body.game-bg-active .view-nav-bar .view-back-btn {
  background: color-mix(in srgb, var(--card-bg) 42%, transparent);
}
body.game-bg-active .page-header {
  background: var(--game-card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 16px 20px;
  border-radius: 14px;
  border: 1px solid var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  margin-bottom: 20px;
}

body.game-bg-active .page-header h1 {
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  background-clip: initial;
  color: var(--text-white);
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}


/* ── Card Box ─────────────────────────────── */
.card-box {
  background: var(--card-bg); padding: 20px;
  border-radius: 16px; margin-bottom: 18px; border: 1px solid var(--border);
}

/* للثيمات الفاتحة - صندوق البطاقات أبيض */
[data-theme="ocean"] .card-box,
[data-theme="scroll"] .card-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

input, select, textarea {
  width: 100%; background: var(--surface-bg); color: var(--text-white);
  border: 1px solid var(--border); padding: 12px 14px;
  border-radius: 10px; font-family: inherit; outline: none;
  font-size: 14px; transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.08);
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: inset 0 2px 4px rgba(0,0,0,0.05), 0 0 0 3px var(--focus-ring); }
textarea { resize: vertical; }
select option { background: var(--card-bg); color: var(--text-white); }

/* ── Collapsible Add Word Form ─────────────────────── */
#personalControls {
  --search-input-collapsed: 70%;
  --search-button-collapsed: 30%;
}

#personalControls:not(.is-expanded) {
  padding-bottom: 12px;
}

.dictionary-search-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-bottom: 4px;
}

.dictionary-search-row #wordInput {
  flex: 0 1 var(--search-input-collapsed);
  min-width: 0;
}

.dictionary-search-row #searchBtn.dictionary-search-btn {
  flex: 0 0 var(--search-button-collapsed);
  width: auto;
  min-width: 132px;
  height: auto;
  min-height: 46px;
  padding: 10px 12px;
  border-radius: 10px;
  white-space: nowrap;
  font-family: inherit;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0;
}

#personalControls.is-expanded .dictionary-search-row #wordInput {
  flex-basis: 78%;
}

#personalControls.is-expanded .dictionary-search-row #searchBtn.dictionary-search-btn {
  flex-basis: 22%;
}

.add-form-toggle {
  width: 100%;
  display: grid;
  place-items: center;
  margin: 0 0 8px;
  padding: 2px 0 4px;
  border: 0;
  background: transparent;
  color: var(--text-gray);
  opacity: 0.42;
  cursor: pointer;
  font: inherit;
  line-height: 1;
  transition: opacity 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

#personalControls:not(.is-expanded) .add-form-toggle {
  height: 18px;
  margin-bottom: 0;
  padding: 0;
}

.add-form-toggle:hover,
.add-form-toggle:focus-visible {
  color: var(--accent);
  opacity: 0.82;
}

.add-form-toggle i[aria-hidden="true"] {
  display: block;
  font-size: 13px;
  transform: translateY(-1px);
}

#personalControls.is-expanded .add-form-toggle i[aria-hidden="true"] {
  transform: translateY(1px);
}

.add-form-advanced {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition:
    max-height 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.22s ease,
    transform 0.28s ease;
}

.add-form-advanced-inner {
  display: grid;
  gap: 10px;
  padding: 2px 4px 4px;
}

.add-form-advanced-inner #categoryInput {
  margin-bottom: 4px;
}

#personalControls.is-expanded .add-form-advanced {
  max-height: 360px;
  opacity: 1;
  overflow: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 520px) {
  .dictionary-search-row {
    gap: 7px;
  }

  .dictionary-search-row #wordInput {
    flex-basis: 64%;
  }

  .dictionary-search-row #searchBtn.dictionary-search-btn {
    flex-basis: 36%;
    min-width: 112px;
    padding-inline: 8px;
    font-size: 13px;
  }

  .search-zone[data-search-type="normal"] .search-lock-overlay {
    width: max(112px, 36%);
  }

  #personalControls.is-expanded .dictionary-search-row #wordInput,
  #personalControls.is-expanded .dictionary-search-row #searchBtn.dictionary-search-btn {
    flex-basis: auto;
  }
}

/* ── Suggestions Box ──────────────────────── */
#suggestionsBox {
  display: none; border: 1px solid var(--border);
  border-radius: 12px; background: var(--card-bg);
  margin: 4px 0 10px; overflow: visible;
}
#suggestionsBox > p { margin: 0; }

.sug-item {
  padding: 12px 14px; cursor: pointer;
  border-bottom: 1px solid var(--border); transition: background 0.2s;
}
.sug-item:last-of-type { border-bottom: none; }
.sug-item:hover { background: var(--hover-bg); }
.sug-main  { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.sug-ar    { font-size: 15px; font-weight: 600; color: var(--text-white); }
.sug-pos   { font-size: 11px; background: var(--accent-soft); color: var(--accent); padding: 2px 8px; border-radius: 20px; }
.sug-stars { font-size: 12px; color: var(--star); margin-bottom: 4px; }
.sug-ex    { font-size: 12px; color: var(--text-gray); font-style: italic; }

.sug-toggle {
  text-align: center; padding: 10px;
  color: var(--accent); cursor: pointer; font-size: 12px;
  font-weight: bold; background: var(--surface-bg);
  border-top: 1px solid var(--border);
}

/* ── معنى ألعاب (جيمر → جيمر) ───────────────── */
.gamer-meaning-bubble {
  padding: 10px 12px 12px;
  background: linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--accent) 8%, transparent) 100%);
  border-top: 1px dashed color-mix(in srgb, var(--accent) 35%, var(--border));
}
.gamer-meaning-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 12%, var(--card-bg));
  color: var(--text-white);
  cursor: pointer;
  font-family: inherit;
  text-align: right;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}
.gamer-meaning-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 20%, var(--card-bg));
}
.gamer-meaning-btn:disabled,
.gamer-meaning-btn.loading {
  opacity: 0.7;
  cursor: wait;
}
.gamer-meaning-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--text-on-accent);
  flex-shrink: 0;
  font-size: 18px;
}
.gamer-meaning-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.35;
}
.gamer-meaning-text strong {
  font-size: 14px;
  color: var(--accent);
}
.gamer-meaning-text span {
  font-size: 12px;
  color: var(--text-gray);
}
.gamer-meaning-chevron {
  color: var(--accent);
  opacity: 0.85;
  font-size: 12px;
}
.gamer-suggestions-panel {
  display: none;
  border-top: 2px solid color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent) 6%, var(--surface-bg));
}
.gamer-suggestions-title {
  margin: 0;
  padding: 10px 14px 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}
.ai-cache-tag {
  display: inline-block;
  margin-right: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 18%, transparent);
  vertical-align: middle;
}

/* ── قفل بحث AI للزوار (Guest Trial) ── */
.search-zone {
  position: relative;
  border-radius: 12px;
  transition: filter 0.35s ease, opacity 0.35s ease;
}
.search-zone-inner {
  transition: filter 0.35s ease, opacity 0.35s ease;
}
.search-zone.search-locked .search-zone-inner,
.search-zone.search-locked > .game-gamer-ai-wrap,
.search-zone.search-locked.gamer-meaning-bubble .gamer-meaning-btn {
  filter: grayscale(0.85) blur(1.2px);
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}
.search-zone[data-search-type="normal"].search-locked .search-zone-inner {
  filter: none;
  opacity: 1;
  pointer-events: auto;
  user-select: auto;
}
.search-zone[data-search-type="normal"].search-locked #searchBtn {
  filter: grayscale(0.85) blur(1.2px);
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}
.search-zone.search-locked input,
.search-zone.search-locked button:not(.search-lock-overlay),
.search-zone.search-locked textarea {
  cursor: not-allowed;
}
.search-zone[data-search-type="normal"].search-locked input {
  cursor: text;
}
.search-zone[data-search-type="normal"].search-locked #searchBtn {
  cursor: not-allowed;
}
.search-lock-overlay {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 12;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: inherit;
  background: color-mix(in srgb, var(--surface-bg) 35%, transparent);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease, background 0.25s ease;
}
.search-zone.search-locked .search-lock-overlay {
  display: flex;
}
.search-zone[data-search-type="normal"] .search-lock-overlay {
  inset: 0 0 auto auto;
  width: max(132px, var(--search-button-collapsed));
  height: 46px;
  border-radius: 10px;
  backdrop-filter: blur(1.5px);
  -webkit-backdrop-filter: blur(1.5px);
}
#personalControls.is-expanded .search-zone[data-search-type="normal"] .search-lock-overlay {
  width: max(132px, 22%);
}
.search-lock-overlay i {
  font-size: 28px;
  color: var(--accent2);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  animation: search-lock-pulse 2s ease-in-out infinite;
}
.search-lock-overlay:hover {
  background: color-mix(in srgb, var(--accent2) 12%, transparent);
}
.search-lock-overlay:hover i {
  transform: scale(1.08);
  color: var(--star);
}
@keyframes search-lock-pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.06); opacity: 1; }
}
.gamer-meaning-bubble.search-zone {
  margin-top: 8px;
  padding: 2px;
}
.gamer-sug-item {
  border-right: 3px solid var(--accent);
}
.gamer-sug-item:hover {
  background: color-mix(in srgb, var(--accent) 14%, var(--hover-bg));
}
.sug-game-tag {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--accent);
  font-weight: 700;
}
.sug-ex-ar {
  font-size: 0.85em;
  color: var(--text-gray);
  opacity: 0.9;
}
.gamer-suggestions-loading,
.gamer-suggestions-empty,
.gamer-suggestions-error {
  text-align: center;
  font-size: 12px;
  padding: 12px 14px;
  margin: 0;
}
.gamer-suggestions-error { color: var(--danger); }
.gamer-suggestions-empty { color: var(--text-gray); }
.gamer-sug-toggle { color: var(--accent); }

/* ── أزرار إجراءات المعاني (إضافة + اقتراح) ── */
.sug-result-card {
  border-bottom: 1px solid var(--border);
}
.sug-result-card:last-child { border-bottom: none; }
.sug-item-clickable { cursor: pointer; }
.sug-item-clickable:hover { background: var(--hover-bg); }
.sug-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 10px;
  flex-wrap: wrap;
}
.sug-gamer-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.sug-gamer-action-btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.sug-gamer-action-btn:disabled,
.sug-gamer-action-btn.loading {
  opacity: 0.65;
  cursor: wait;
}
.sug-add-personal-btn { flex: 1; min-width: 0; justify-content: center; }
.sug-add-personal-btn.sug-added {
  border-color: var(--success);
  background: color-mix(in srgb, var(--success) 18%, transparent);
  cursor: default;
}
.sug-suggest-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  justify-content: center;
  flex-shrink: 0;
}
.sug-suggest-btn i { color: var(--accent); font-size: 15px; }
.sug-ex-en { margin-bottom: 2px; }

/* ── AI ألعاب داخل قواميس Minecraft / PUBG ── */
.game-gamer-ai-wrap {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}
.game-gamer-ask-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px dashed color-mix(in srgb, var(--accent) 50%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--card-bg));
  color: var(--text-white);
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  text-align: center;
  line-height: 1.4;
}
.game-gamer-ask-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 18%, var(--card-bg));
  transform: translateY(-1px);
}
.game-gamer-ask-btn:disabled,
.game-gamer-ask-btn.loading { opacity: 0.7; cursor: wait; }
.game-gamer-ask-btn i { color: var(--accent); }
.game-gamer-ai-panel {
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 5%, var(--surface-bg));
  overflow: hidden;
}
.game-gamer-results .sug-result-card { background: transparent; }
.game-empty-search {
  text-align: center;
  padding: 36px 16px;
  color: var(--text-gray);
}
.game-empty-icon { font-size: 32px; margin-bottom: 8px; }
.game-empty-search p { margin: 0 0 14px; }
.game-empty-hint {
  margin: 0;
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.6;
  max-width: 420px;
}

/* ── Buttons ──────────────────────────────── */
.btn-main {
  width: 100%; background: var(--accent); color: var(--text-on-accent);
  border: none; padding: 14px; border-radius: 10px;
  font-weight: bold; font-size: 15px; cursor: pointer;
  transition: 0.2s; letter-spacing: .02em; font-family: inherit;
}
.btn-main:hover:not(:disabled) { background: var(--accent2); transform: translateY(-1px); }
.btn-main:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-ai {
  background: var(--accent); color: var(--text-on-accent); border: none;
  border-radius: 10px; width: 46px; height: 46px; flex-shrink: 0;
  cursor: pointer; font-family: inherit; font-size: 16px; transition: 0.2s;
}
.btn-ai:hover { background: var(--accent2); }

.auth-btn {
  width: 100%; padding: 10px; border-radius: 8px;
  background: transparent; color: var(--text-white);
  border: 1px solid var(--accent); cursor: pointer;
  margin-top: 10px; font-family: inherit; font-size: 13px; transition: background 0.2s;
  display: flex; align-items: center; gap: 8px; justify-content: center;
}
.auth-btn:hover { background: var(--hover-bg); }
.auth-btn:disabled,
.auth-btn.loading {
  opacity: 0.72;
  cursor: wait;
}
#logoutBtn { border-color: var(--danger); color: var(--danger); }
#logoutBtn:hover { background: var(--danger-soft); }

@media (min-width: 769px) {
  .sidebar:not(.open) .auth-btn {
    width: 100%;
    height: 42px;
    padding: 0;
    justify-content: center;
  }
}

/* ── Search Bar Row ──────────────────────── */
.search-bar-row {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
}
.search-bar-row input { flex: 1; min-width: 0; background: var(--card-bg) !important; }
.search-bar-row select { width: auto; min-width: 110px; padding: 10px 8px; font-size: 12px; background: var(--card-bg); }
.search-bar-divider {
  width: 1px; height: 28px; background: var(--border); flex-shrink: 0;
}

/* ── Icon Button with Tooltip ─────────────── */
.btn-icon-tip {
  position: relative;
  background: var(--card-bg); color: var(--text-gray);
  border: 1px solid var(--border); border-radius: 10px;
  width: 42px; height: 42px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 16px; transition: 0.2s;
}
.btn-icon-tip:hover { border-color: var(--border); color: var(--text-white); }
.btn-ai.btn-icon-tip { background: var(--accent); color: white; border-color: var(--accent); }
.btn-ai.btn-icon-tip:hover { background: var(--accent2); border-color: var(--accent2); }
.btn-icon-tip::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: var(--card-bg); color: var(--text-white);
  border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 20px;
  font-size: 11px; font-family: inherit; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 50;
}
.btn-icon-tip:hover::after {
  opacity: 1; transform: translateX(-50%) scale(1);
}

/* ── Sidebar Tooltip (JS-positioned, bypasses overflow) ─── */
.sidebar-tip {
  position: fixed;
  background: var(--card-bg); color: var(--text-white);
  border: 1px solid var(--border);
  padding: 5px 12px; border-radius: 20px;
  font-size: 11px; font-family: inherit; white-space: nowrap;
  pointer-events: none; z-index: 1050;
  opacity: 0; transition: opacity 0.18s;
}
.sidebar-tip.show { opacity: 1; }

.nav-link { position: relative; }

/* ── Word List ────────────────────────────── */
ul { list-style: none; padding: 0; margin: 0; }

.word-card {
  background: var(--card-bg);
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 8px;
  display: flex; justify-content: space-between; align-items: flex-start;
  border-right: 4px solid var(--accent); border-top: 1px solid var(--border);
  animation: slideIn 0.25s ease; transition: transform 0.15s; cursor: pointer;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.word-card:hover { transform: translateX(-2px); }

.word-render-loading {
  position: fixed;
  left: 50%;
  bottom: 82px;
  z-index: 8999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: min(320px, calc(100vw - 32px));
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--card-bg) 92%, transparent);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 900;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity 0.14s ease, transform 0.14s ease, visibility 0.14s ease;
}
.word-render-loading.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.word-render-loading i {
  color: var(--accent);
}

/* للثيمات الفاتحة - ظل أوضح للبطاقات مع تباين */
[data-theme="ocean"] .word-card,
[data-theme="scroll"] .word-card {
  background: var(--card-bg);
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.12), 0 2px 8px -1px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border);
  border-right: 4px solid var(--accent);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reorder-mode-li { border: 1px dashed var(--border) !important; border-right: 4px solid var(--accent) !important; cursor: move; }
.selected-for-move { background: var(--hover-bg) !important; }

.star-btn {
  position: relative;
  font-size: 17px; cursor: pointer; color: var(--text-gray);
  background: none; border: none; padding: 0;
  transition: color 0.2s; flex-shrink: 0; margin-top: 2px;
}
.star-btn[data-tip]::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: var(--card-bg); color: var(--text-white);
  border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 20px;
  font-size: 11px; font-family: inherit; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 50;
}
.star-btn[data-tip]:hover::after {
  opacity: 1; transform: translateX(-50%) scale(1);
}
.star-btn:hover { color: var(--star); }
.star-btn.active { color: var(--star); }

.word-text    { font-size: 17px; font-weight: bold; color: var(--text-white); }
.meaning-text { color: var(--text-gray); font-size: 14px; margin-top: 2px; }

.example-box {
  font-size: 12px; color: var(--text-gray); font-style: italic;
  border-right: 2px solid var(--border); padding-right: 8px;
  margin-top: 6px; display: none; direction: ltr; text-align: left;
}
.show-example .example-box { display: block; }

/* Category tags */
.cat-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 20px;
  font-weight: bold; margin-right: 6px; color: var(--text-on-accent, white); display: inline-block;
  vertical-align: middle;
}
.tag-فعل  { background: var(--tag-verb, #e67e22); }
.tag-اسم  { background: var(--tag-noun, #8e44ad); }
.tag-صفة  { background: var(--tag-adj, #27ae60); }
.tag-أداة { background: var(--tag-tool, #c0392b); }
.tag-جمل  { background: var(--tag-sentence, #16a085); }
.tag-عام  { background: var(--tag-general, #475569); }
.tag-ظرف  { background: var(--tag-adverb, #2563eb); }
.tag-لعبة { background: var(--tag-game, #d97706); }

/* Action buttons */
.actions {
  display: flex;
  flex-direction: row;
  gap: 8px;
  flex-shrink: 0;
  margin-right: 6px;
  align-items: center;
}

.icon-circle {
  position: relative;
  width: 38px; height: 38px; border-radius: 50%; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: 0.2s; font-size: 15px;
}
.icon-circle[data-tip]::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: var(--card-bg); color: var(--text-white);
  border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 20px;
  font-size: 11px; font-family: inherit; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 50;
}
.icon-circle[data-tip]:hover::after {
  opacity: 1; transform: translateX(-50%) scale(1);
}
.sound-btn { background: var(--accent-soft); color: var(--accent); }
.edit-btn  { background: var(--success-soft); color: var(--success); }
.del-btn   { background: var(--danger-soft);  color: var(--danger); }
.icon-circle:hover { transform: scale(1.15); filter: brightness(1.2); }

/* Highlight */
.highlight { background: var(--star-soft); padding: 0 3px; border-radius: 4px; color: var(--star); }

/* Backup zone */
.backup-zone {
  margin-top: 24px; border-top: 1px dashed var(--border);
  padding-top: 16px; display: flex; gap: 10px;
}
.btn-backup {
  flex: 1; padding: 10px; font-size: 12px; font-family: inherit;
  background: var(--card-bg); color: var(--text-gray);
  border: 1px solid var(--border); border-radius: 10px; cursor: pointer; transition: 0.2s;
}
.btn-backup:hover { background: var(--card-bg); color: var(--text-white); }

.site-footer {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 18px 0 8px;
  color: var(--text-gray);
  font-size: 13px;
}

.site-footer a {
  color: var(--text-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-footer a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Overlay */
.overlay {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.55); z-index: 998;
  display: none; backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
}
.overlay.show { display: block; }

/* Toast */
.toast-msg {
  position: fixed; top: -80px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: var(--text-on-accent);
  padding: 12px 24px; border-radius: 20px;
  font-weight: bold; font-size: 15px;
  transition: 0.4s cubic-bezier(0.68,-0.55,0.265,1.55);
  z-index: 3000; pointer-events: none; white-space: nowrap;
}
.toast-msg.show { top: calc(var(--legend-top-h, 64px) + 28px); }
.toast-msg.toast-success { background: var(--success); color: var(--text-on-accent); }
.toast-msg.toast-warning { background: var(--accent2); color: var(--text-on-accent); }
.toast-msg.toast-danger { background: var(--danger); color: var(--text-on-accent); }
.toast-msg.toast-info { background: var(--accent); color: var(--text-on-accent); }

/* ══════════════════════════════════════════
   QUIZ FULL-PAGE VIEW
   ══════════════════════════════════════════ */
.quiz-view {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-height: 60vh; padding: 20px 0;
  position: relative;
}

.quiz-exit-btn {
  position: absolute; top: 8px; right: 8px;
  background: var(--surface-bg); color: var(--text-white);
  border: 1px solid var(--border); width: 36px; height: 36px;
  border-radius: 8px; font-size: 16px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: 0.2s; z-index: 10;
}
.quiz-exit-btn:hover { background: var(--danger); color: white; border-color: var(--danger); }

.quiz-view-setup {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 28px; width: 100%; max-width: 720px;
  text-align: center; animation: slideUp 0.22s ease;
}
.quiz-view-setup h3 { color: var(--text-white); margin: 0 0 8px; font-size: 22px; }
.quiz-view-setup p  { color: var(--text-gray); font-size: 15px; margin: 0 0 24px; }
.quiz-available-count { font-size: 14px; color: var(--accent); font-weight: 600; margin: 4px 0 8px; text-align: center; }

.quiz-modes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.quiz-mode-card {
  min-height: 150px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  padding: 16px;
  text-align: right;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: inherit;
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease;
}
.quiz-mode-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}
.quiz-mode-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 19px;
}
.quiz-mode-card strong { font-size: 17px; }
.quiz-mode-card span:last-child {
  color: var(--text-gray);
  font-size: 13px;
  line-height: 1.6;
}
.quiz-settings-panel {
  position: relative;
  max-width: 560px;
}
.flashcard-preset-options {
  margin-top: 18px;
}
.quiz-settings-back {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  cursor: pointer;
}
.quiz-setting-group {
  text-align: right;
  margin: 18px 0;
}
.quiz-setting-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-white);
  font-weight: 700;
}
.quiz-segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
#timeAttackDirectionGroup .quiz-segmented {
  grid-template-columns: repeat(2, 1fr);
}
#scrambleDirectionGroup .quiz-segmented {
  grid-template-columns: repeat(2, 1fr);
}
.quiz-segmented button,
.quiz-setting-group select {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  font-family: inherit;
  font-weight: 700;
}
.quiz-segmented button { cursor: pointer; }
.quiz-segmented button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.quiz-setting-group select {
  width: 100%;
  padding: 0 12px;
}
.quiz-settings-summary {
  min-height: 22px;
  margin: 10px 0 16px !important;
  color: var(--accent) !important;
  font-weight: 700;
}
.quiz-start-btn {
  width: 100%;
  min-height: 48px;
  border-radius: 8px;
  border: 0;
  background: var(--accent);
  color: var(--text-on-accent);
  font-family: inherit;
  font-weight: 800;
  cursor: pointer;
}
.quiz-play-view {
  width: 100%;
  max-width: 560px;
  position: relative;
  padding-top: 44px;
}
.quiz-play-exit {
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 12;
}
#quizViewCard {
  position: relative;
  padding-top: 44px;
}
#quizViewCard .quiz-play-exit {
  top: 0;
  right: 0;
}
.quiz-challenge-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  text-align: center;
}
.quiz-mini-label {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}
.quiz-challenge-card strong {
  color: var(--text-white);
  font-size: 24px;
  line-height: 1.5;
}
.quiz-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.quiz-choice-grid button {
  min-height: 48px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  font-family: inherit;
  font-weight: 800;
  cursor: pointer;
}
.scramble-letters {
  direction: ltr;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
}
.scramble-letters span {
  min-width: 34px;
  height: 34px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 900;
}
#scrambleInput {
  min-height: 46px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  padding: 0 12px;
  text-align: center;
  font-size: 18px;
}

@media (max-width: 760px) {
  .quiz-modes-grid { grid-template-columns: 1fr; }
  .quiz-choice-grid { grid-template-columns: 1fr; }
}

.setup-btn {
  width: 100%; margin-bottom: 12px; padding: 16px; border-radius: 12px;
  border: none; font-weight: bold; cursor: pointer; transition: 0.2s;
  color: var(--text-on-accent); font-size: 16px; font-family: inherit;
}
.setup-btn:hover { opacity: 0.9; transform: scale(0.98); }
.btn-new     { background: var(--accent); }
.btn-forgot  { background: var(--danger); }
.btn-old     { background: var(--accent2); }
.btn-starred { background: var(--star); color: var(--text-on-star); }
.btn-all     { background: var(--main-bg); border: 1px solid var(--border); color: var(--text-white); }

/* Golden Theme - ألوان فاخرة متنوعة للاختبار */
[data-theme="golden"] .btn-new     { background: linear-gradient(135deg, #c9a227, #b8860b); }
[data-theme="golden"] .btn-forgot  { background: linear-gradient(135deg, #dc2626, #b91c1c); }
[data-theme="golden"] .btn-old     { background: linear-gradient(135deg, #7c3aed, #6d28d9); }
[data-theme="golden"] .btn-starred { background: linear-gradient(135deg, #f59e0b, #d97706); color: #000; }
[data-theme="golden"] .btn-all     { background: #262626; border: 1px solid #404040; color: #ffffff; }

.btn-close-quiz {
  background: transparent; color: var(--text-gray);
  text-decoration: underline; margin-top: 12px;
  cursor: pointer; border: none; font-size: 14px; font-family: inherit;
  display: none;
}
.btn-close-quiz:hover { color: var(--danger); }

/* QUIZ CARD 3D */
.card-container {
  width: 100%; max-width: 520px; height: 58vh;
  min-height: 380px; max-height: 520px;
  perspective: 1000px; margin-bottom: 20px;
}
.card {
  width: 100%; height: 100%;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
  transform-style: preserve-3d; cursor: pointer; position: relative;
}
.card.is-flipped { transform: rotateY(180deg); }
.card-face {
  position: absolute; width: 100%; height: 100%;
  backface-visibility: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border-radius: 20px; padding: 28px; text-align: center;
  background: var(--card-bg); border: 1px solid var(--border);
}
.card-back { transform: rotateY(180deg); background: var(--main-bg); }

.quiz-card-meta {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%; max-width: 520px; margin-bottom: 12px;
}
.quiz-card-meta span { font-size: 15px; color: var(--text-gray); }

.quiz-card-bar {
  width: 100%; max-width: 520px; height: 5px;
  background: var(--border); border-radius: 10px; margin-bottom: 20px; overflow: hidden;
}
#quizCardProgress,
#timeAttackProgress,
#scrambleProgress {
  height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 10px; transition: width 0.4s ease; width: 0%;
}

.quiz-sound-btn {
  position: absolute; top: 16px; left: 16px;
  background: var(--accent-soft); color: var(--accent);
  border: none; width: 44px; height: 44px; border-radius: 50%;
  font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; z-index: 20;
}
.quiz-word    { font-size: 36px; font-weight: bold; color: var(--text-white); margin-bottom: 18px; }
.quiz-meaning { font-size: 32px; font-weight: bold; color: var(--success); }
.quiz-example { font-size: 18px; color: var(--text-gray); font-style: italic; margin-top: 20px; direction: ltr; }

.hint-btn {
  background: var(--star-soft); color: var(--star);
  border: 1px solid var(--star);
  padding: 10px 20px; border-radius: 12px; font-weight: bold;
  cursor: pointer; margin-top: 18px; z-index: 10; font-family: inherit; font-size: 15px;
}
.hint-text {
  opacity: 0; transition: opacity 0.3s; margin-top: 12px;
  font-size: 14px; color: var(--text-gray); direction: ltr; font-style: italic;
  max-width: 100%; word-wrap: break-word;
}
.hint-text.show { opacity: 1; }

.quiz-controls { display: flex; gap: 16px; width: 100%; max-width: 520px; }
.quiz-btn {
  flex: 1; padding: 18px; border-radius: 14px;
  border: none; font-weight: bold; font-size: 17px;
  cursor: pointer; transition: 0.2s; font-family: inherit;
}
.btn-remember { background: var(--success); color: var(--text-on-accent); }
.btn-forget   { background: var(--danger);  color: var(--text-on-accent); }
.btn-remember:hover { filter: brightness(1.15); }
.btn-forget:hover   { filter: brightness(1.15); }

/* ══════════════════════════════════════════
   MODALS
   ══════════════════════════════════════════ */
.custom-modal {
  display: none; position: fixed; z-index: 10250;
  left: 0; top: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  align-items: center; justify-content: center;
}
.modal-content {
  background: var(--card-bg); border: 1px solid var(--border);
  padding: 28px; border-radius: 20px; width: 90%; max-width: 380px;
  text-align: center; animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.modal-icon       { font-size: 44px; margin-bottom: 10px; }
.modal-content h2 { margin: 0 0 8px; font-size: 18px; color: var(--text-white); }
.modal-content p  { color: var(--text-gray); font-size: 14px; margin: 0 0 18px; }
.modal-buttons    { display: flex; gap: 12px; justify-content: center; }
.guest-migration-content {
  max-width: 440px;
  border-color: color-mix(in srgb, var(--star) 42%, var(--border));
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--card-bg) 92%, var(--star)), var(--card-bg));
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.42), 0 0 32px color-mix(in srgb, var(--star) 18%, transparent);
}
.guest-migration-icon {
  color: var(--star);
  filter: drop-shadow(0 0 12px color-mix(in srgb, var(--star) 55%, transparent));
}
.guest-migration-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0 18px;
}
.guest-migration-stat {
  padding: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-bg) 86%, transparent);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 900;
}
.guest-migration-stat small {
  display: block;
  margin-top: 3px;
  color: var(--text-gray);
  font-size: 10px;
}
.guest-migration-confirm {
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--danger) 44%, var(--border));
  background: color-mix(in srgb, var(--danger) 16%, var(--surface-bg));
  color: var(--text-white);
  font-size: 12px;
  font-weight: 800;
  text-align: start;
}
.guest-migration-confirm[style*="display: block"] {
  display: flex !important;
}
.guest-migration-actions {
  flex-wrap: wrap;
}

/* ── Feature unlocks (sidebar) ───────────────────────── */
.nav-link.feature-locked {
  opacity: 0.72;
  cursor: pointer;
}
.nav-link.feature-locked:hover {
  opacity: 0.9;
}
.nav-link .feature-lock-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-inline-start: 6px;
  font-size: 11px;
  color: var(--text-gray);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.sidebar.open .nav-link .feature-lock-badge {
  margin-inline-start: 4px;
  position: relative;
}
@media (min-width: 769px) {
  .sidebar:not(.open) .nav-link .feature-lock-badge {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    margin-inline-start: 0;
    padding: 3px 5px;
    background: rgba(15, 23, 42, 0.85);
    border-radius: 999px;
  }
}

@keyframes unlockPulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 transparent;
  }
  50% {
    transform: scale(1.05);
    box-shadow:
      0 0 16px var(--accent-soft),
      0 0 32px var(--focus-ring);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 transparent;
  }
}

.nav-link.unlock-pulse {
  animation: unlockPulse 0.45s ease-out forwards;
  position: relative;
  z-index: 2;
}

@media (prefers-reduced-motion: reduce) {
  .nav-link.unlock-pulse {
    animation: none;
  }
}

.unlock-explain-modal .unlock-explain-content {
  max-width: 420px;
  text-align: start;
}
.unlock-explain-modal .modal-icon.unlock-explain-icon {
  color: var(--text-gray);
}
.unlock-explain-text {
  text-align: start;
  line-height: 1.55;
}
.unlock-explain-how {
  font-weight: 600;
  color: var(--text-white);
}
.unlock-explain-progress {
  font-size: 13px;
  color: var(--accent);
  margin: 0 0 16px;
  text-align: start;
  line-height: 1.45;
}
.unlock-explain-modal .modal-buttons {
  justify-content: flex-end;
}
.btn-confirm { background: var(--danger); color: var(--text-on-accent); border: none; padding: 10px 24px; border-radius: 10px; cursor: pointer; font-weight: bold; font-family: inherit; }
.btn-cancel  { background: var(--card-bg); color: var(--text-gray); border: 1px solid var(--border); padding: 10px 24px; border-radius: 10px; cursor: pointer; font-family: inherit; }
.btn-cancel:hover { background: var(--card-bg); }

/* ══════════════════════════════════════════
   GAME CARDS
   ══════════════════════════════════════════ */
.game-card {
  background: var(--card-bg); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--accent); padding: 15px;
  border-radius: 12px; margin-bottom: 12px;
  display: flex; justify-content: space-between; align-items: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3); animation: slideIn 0.25s ease;
}
/* للثيمات الفاتحة - كروت اللعبة بيضاء */
[data-theme="ocean"] .game-card,
[data-theme="scroll"] .game-card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.08);
  border: 1px solid var(--border);
}

.game-info { display: flex; align-items: center; gap: 15px; }
.game-icon {
  width: 50px; height: 50px; border-radius: 8px;
  object-fit: cover; border: 2px solid var(--border); flex-shrink: 0;
}
.game-icon-symbol {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 24%, var(--surface-bg)), var(--surface-bg));
  color: var(--accent);
  font-size: 22px;
  object-fit: initial;
}
.game-icon-symbol i {
  line-height: 1;
}
.btn-add-mine {
  background: var(--star); color: var(--text-on-star); border: none;
  padding: 8px 12px; border-radius: 8px; font-weight: bold;
  cursor: pointer; transition: 0.3s; white-space: nowrap; flex-shrink: 0;
  font-family: inherit; font-size: 13px;
}
.btn-add-mine:hover { transform: scale(1.05); background: var(--star); filter: brightness(1.15); }

/* ── Responsive ────────────────────────────── */
@media (max-width: 480px) {
  .actions { flex-direction: row; }
  .card-container { height: 48vh; min-height: 320px; }
  .quiz-word    { font-size: 28px; }
  .quiz-meaning { font-size: 24px; }
  .quiz-example { font-size: 15px; }
  .quiz-view-setup { padding: 24px; }
  .quiz-modes-grid { grid-template-columns: 1fr; }
  .quiz-choice-grid { grid-template-columns: 1fr; }
  .quiz-segmented { grid-template-columns: 1fr; }
  .setup-btn { padding: 14px; font-size: 15px; }
  .quiz-btn { padding: 15px; font-size: 15px; }
  .quiz-sound-btn { width: 40px; height: 40px; font-size: 18px; }
  .game-card { flex-direction: column; align-items: flex-start; gap: 12px; }
  .btn-add-mine { width: 100%; text-align: center; }
}

/* ══════════════════════════════════════════
   GAME HEADER BAR (لرأس صفحة الألعاب)
   ══════════════════════════════════════════ */
.game-header-bar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.game-header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.game-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.game-stats-btn {
  background: var(--surface-bg);
  border: 1px solid var(--border);
  color: var(--text-white);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.game-stats-btn:hover {
  background: var(--hover-bg);
  border-color: var(--accent);
}

.game-word-count {
  background: var(--accent);
  color: var(--text-on-accent);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 2px 8px var(--accent-soft);
}

/* للثيمات الفاتحة - رأس الصفحة أبيض */
[data-theme="ocean"] .game-header-bar,
[data-theme="scroll"] .game-header-bar {
  background: var(--card-bg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  border: 1px solid var(--border);
}

/* ══════════════════════════════════════════
   GAME SEARCH BAR
   ══════════════════════════════════════════ */
.game-search-bar {
  margin-bottom: 16px;
}

.game-search-inner {
  position: relative;
  display: flex;
  align-items: center;
}

.game-search-icon {
  position: absolute;
  right: 14px;
  color: var(--text-gray);
  font-size: 14px;
  pointer-events: none;
  z-index: 1;
}

.game-search-inner input {
  width: 100%;
  padding-right: 40px;
  background: var(--surface-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-white);
  font-size: 14px;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}

.game-search-inner input:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.game-search-inner input::placeholder {
  color: var(--text-gray);
}

/* للثيمات الفاتحة - حقل البحث أبيض */
[data-theme="ocean"] .game-search-inner input,
[data-theme="scroll"] .game-search-inner input {
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* مثال الجملة داخل game-card */
.game-example {
  font-size: 12px;
  color: var(--text-gray);
  font-style: italic;
  margin-top: 4px;
  direction: ltr;
  text-align: left;
}

/* ── Nav link active: مربع بدون حواف ── */
.nav-link {
  position: relative;
}

/* الـ active indicator — مربع خفيف بدون border واضح */
.nav-link.active {
  background: var(--active-nav-bg);
  color: var(--text-white);
}

/* خط جانبي أزرق فقط للـ active */
.nav-link.active::before {
  content: '';
  position: absolute;
  right: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--accent);
  border-radius: 3px 0 0 3px;
}
/* ══════════════════════════════════════════
   GAME BACKGROUND — overlay كحلي مع صورة
   ══════════════════════════════════════════ */

/* الـ pseudo-element يحمل الصورة خلف المحتوى */
body.game-bg-active::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  /* overlay: كحلي بشفافية 70% فوق الصورة */
  background-color: var(--game-overlay);
  background-blend-mode: multiply;
}

@media (min-width: 769px) {
  body {
    background-attachment: fixed;
  }
  body.game-bg-active::before {
    background-attachment: fixed;
  }
}

@media (max-width: 768px) {
  body.game-bg-active::before {
    background-attachment: scroll;
  }
}

/* Minecraft */
body[data-game="minecraft"].game-bg-active::before {
  background-image: url('https://gaming-cdn.com/images/products/442/orig/minecraft-java-and-bedrock-edition-pc-mac-cover.jpg?v=1769503807');
  filter: blur(1px) brightness(0.55) saturate(0.7);
}

/* PUBG */
body[data-game="pubg"].game-bg-active::before {
  background-image: url('https://images.alphacoders.com/901/901375.jpg');
  filter: blur(1px) brightness(0.45) saturate(0.65);
}

/* المحتوى فوق الخلفية */
body.game-bg-active .main-content {
  position: relative;
  z-index: 1;
}

/* game-card يصبح أكثر شفافية لتبين الخلفية قليلاً */
body.game-bg-active .game-card {
  background: var(--game-card-bg);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--accent);
}

body.game-bg-active .page-header h1 {
  text-shadow: 0 2px 12px rgba(0,0,0,0.8);
}

/* للثيمات الفاتحة - خلفية الألعاب تكون أوضح */
[data-theme="ocean"].game-bg-active::before,
[data-theme="scroll"].game-bg-active::before {
  filter: blur(2px) brightness(0.7) saturate(0.8);
  background-blend-mode: normal;
}

[data-theme="ocean"].game-bg-active .game-card,
[data-theme="scroll"].game-bg-active .game-card {
  backdrop-filter: blur(12px) saturate(1.1); -webkit-backdrop-filter: blur(12px) saturate(1.1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* ══════════════════════════════════════════
   GAME CARD ACTIONS (صوت + إضافة)
   ══════════════════════════════════════════ */
.game-card-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-right: 4px;
}

/* زر الصوت داخل game-card */
.game-sound-btn {
  width: 34px;
  height: 34px;
  font-size: 13px;
}

/* زر ➕ مضغوط بدون نص */
.btn-add-mine {
  width: 34px;
  height: 34px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  border-radius: 8px;
}

/* ══════════════════════════════════════════
   TOOLTIP
   ══════════════════════════════════════════ */

/* إصلاح tooltip stacking context وثبات الطبقة */
.tooltip-wrap {
  position: static !important;
  display: inline-flex;
  z-index: initial;
}


/* Tooltip يظهر دائماً فوق كل العناصر */
.tooltip-text {
  visibility: hidden;
  opacity: 0;
  position: fixed !important;
  bottom: auto;
  left: 0;
  top: 0;
  transform: none;
  background: var(--card-bg);
  color: var(--text-white);
  font-size: 12px;
  white-space: nowrap;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 9999 !important;
  box-shadow: 0 6px 32px 0 rgba(0,0,0,0.18);
  filter: none !important;
  mix-blend-mode: normal !important;
}


/* السهم أسفل التولتيب */
.tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--card-bg);
  z-index: 9999;
}


.tooltip-wrap:hover .tooltip-text,
.tooltip-wrap:focus-within .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* إزالة أي تأثير زجاجي عن نص التولتيب لضمان الوضوح */
[data-theme="glass"] .tooltip-text {
  background: rgba(30,41,59,0.98) !important;
  color: #fff !important;
  -webkit-background-clip: border-box !important;
  -webkit-text-fill-color: #fff !important;
  background-clip: border-box !important;
  text-fill-color: #fff !important;
  text-shadow: 0 2px 8px rgba(0,0,0,0.22), 0 1px 0 rgba(0,0,0,0.13);
  filter: none !important;
  mix-blend-mode: normal !important;
}

/* إزالة أي overflow: hidden أو clip من العناصر الأب الشائعة حول الأزرار */
.card-box, .sidebar, .main-content, .stat-card, .game-card, .word-card {
  overflow: visible !important;
}

/* Responsive */
@media (max-width: 480px) {
  .game-card-actions { flex-direction: row; }
}

/* ══════════════════════════════════════════
   HEADER WIDGETS
   ══════════════════════════════════════════ */
.header-top { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:flex-start; gap:8px; margin-bottom:4px; }
.header-top h1 { flex: 1; min-width: 0; margin: 0; }
.header-widgets { display:flex; align-items:center; gap:12px; flex-shrink:0; }

.streak-wrap {
  display:flex; align-items:center; gap:5px; cursor:pointer;
  padding:5px 10px; border-radius:20px;
  background:var(--surface-bg); border:1px solid var(--border);
  transition:background .2s; user-select:none;
}
.streak-wrap:active { transform:scale(.95); }
.streak-wrap.streak-hot {
  border-color:var(--star); background:var(--star-soft);
  animation:streakPulse 2s ease-in-out infinite;
}
@keyframes streakPulse {
  0%,100%{ box-shadow:0 0 0 0 rgba(245,158,11,.3); }
  50%    { box-shadow:0 0 0 6px rgba(245,158,11,0); }
}
.streak-icon  { font-size:18px; line-height:1; }
.streak-count { font-size:12px; font-weight:700; white-space:nowrap; }

.goal-ring-wrap { position:relative; width:42px; height:42px; cursor:pointer; flex-shrink:0; }
.goal-svg  { width:42px; height:42px; transform:rotate(-90deg); }
.goal-bg   { fill:none; stroke:var(--track-bg); stroke-width:3; }
.goal-fill { fill:none; stroke:var(--accent); stroke-width:3; stroke-linecap:round;
             transition:stroke-dashoffset .6s cubic-bezier(.4,0,.2,1),stroke .4s; }
.goal-text {
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-size:10px; font-weight:700; color:var(--text-gray);
}

/* ── Nav thin divider (بين موسوعة الأساطير وإحصائياتي) ── */
.nav-thin-divider {
  border-top: 1px solid var(--border);
  margin: 6px 0 4px;
}
/* نفس قوة خط sidebar-divider لكن بدون نص */
.nav-divider-strong {
  border-top: 1px solid var(--border);
  margin: 8px 0 6px;
}

/* ══════════════════════════════════════════
   XP PANEL (sidebar)
   ══════════════════════════════════════════ */
.level-section {
  margin-top: 18px;
}
.level-section-title {
  color: var(--text-gray);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.xp-panel {
  margin-top:0;
  background:var(--card-bg);
  border:1px solid var(--border); border-radius:14px; padding:14px 16px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}
.xp-top  { display:flex; align-items:center; gap:8px; margin-bottom:10px; }
.xp-icon { font-size:22px; line-height:1; flex-shrink:0; display:inline-block;
           transition:transform .3s cubic-bezier(.34,1.56,.64,1); }
.xp-icon.pop { transform:scale(1.5); }
.xp-rank { flex:1; font-size:15px; font-weight:700; letter-spacing:.03em; transition:color .4s; }
.xp-val  { font-size:12px; color:var(--text-gray); white-space:nowrap; }
.xp-track { height:8px; background:var(--surface-bg); border-radius:99px; overflow:hidden; border: 1px solid var(--border); }
.xp-fill  {
  height:100%; width:0%; border-radius:99px; position:relative; overflow:hidden;
  transition:width .7s cubic-bezier(.4,0,.2,1),background .5s ease;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-soft);
}
.xp-fill::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.5) 50%,transparent 100%);
  background-size:200% 100%; animation:xpShimmer 2s linear infinite;
}
@keyframes xpShimmer { 0%{background-position:-200% 0} 100%{background-position:200% 0} }
.xp-bottom { display:flex; justify-content:space-between; margin-top:7px; }
.xp-hint,.xp-next-val { font-size:11px; color:var(--text-gray); }

@media (min-width: 769px) {
  .sidebar:not(.open) .xp-panel {
    margin-top: 12px;
    padding: 10px 8px 8px;
    border-radius: 12px;
  }
  .sidebar:not(.open) .xp-top {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3px;
    margin-bottom: 6px;
  }
  .sidebar:not(.open) .xp-rank,
  .sidebar:not(.open) .xp-bottom {
    display: none;
  }
  .sidebar:not(.open) .xp-val {
    display: block;
    text-align: center;
    width: 100%;
    font-size: 10px;
    line-height: 1.2;
  }
  .sidebar:not(.open) .xp-icon {
    font-size: 18px;
  }
  .sidebar:not(.open) .xp-track {
    height: 6px;
  }
}

/* XP Badge */
.xp-badge {
  position:fixed; bottom:90px; left:50%; transform:translateX(-50%);
  font-size:13px; font-weight:700; padding:5px 13px; border-radius:20px;
  pointer-events:none; opacity:0; z-index:4000; white-space:nowrap;
}
.xp-badge.fly { animation:xpFly 1.3s ease forwards; }
@keyframes xpFly {
  0%  { opacity:1; transform:translateX(-50%) translateY(0);     }
  65% { opacity:1; transform:translateX(-50%) translateY(-55px); }
  100%{ opacity:0; transform:translateX(-50%) translateY(-85px); }
}
.xp-delete-warn {
  margin-top:10px; padding:8px 12px; text-align:center;
  background:var(--danger-warn-bg); border:1px solid var(--danger-warn-bdr);
  border-radius:8px; font-size:13px; color:var(--danger-warn-txt);
}

.level-section { margin-top: 16px; }
.sidebar-section-title { margin-bottom: 10px; color: var(--text-gray); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.sidebar:not(.open) .sidebar-section-title { display: none; }

/* ── Theme Selector ──────────────────────────── */
.theme-selector { display:grid; grid-template-columns:repeat(3, 1fr); gap:8px; margin-top:8px; }
.theme-option {
  position: relative;
  display:flex; flex-direction:column; align-items:center; gap:6px;
  padding:10px 6px; border-radius:12px; cursor:pointer;
  background:var(--card-bg); border:1px solid var(--border);
  transition:all .2s ease;
}
.theme-option:hover { background:var(--hover-bg); transform:scale(1.02); }
.theme-option.active {
  border-color:var(--accent);
  box-shadow:0 0 0 2px var(--accent);
}
.theme-preview {
  width:28px; height:28px; border-radius:50%; border:2px solid var(--border);
}
.preview-lootlingua { background:linear-gradient(135deg,#3b82f6,#6366f1); }
.preview-golden    { background:linear-gradient(135deg,#c9a227,#7c3aed); }
.preview-scroll     { background:linear-gradient(135deg,#2d1f16,#5c4033); }
.preview-ocean     { background:linear-gradient(135deg,#2563eb,#60a5fa); }
.preview-glass { background:linear-gradient(135deg,rgba(102,126,234,0.8),rgba(118,75,162,0.8)); border:2px solid rgba(255,255,255,0.6); box-shadow:0 0 14px rgba(14,165,233,0.5), inset 0 1px 1px rgba(255,255,255,0.4); }
.theme-name,
.theme-display-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-white);
  text-align: center;
  line-height: 1.25;
}
.theme-option.active .theme-name,
.theme-option.active .theme-display-name { color: var(--accent); }
.theme-status-label {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  font-weight: 800;
  text-align: center;
  line-height: 1.3;
  min-height: 14px;
}
.theme-status-label--open:empty {
  display: none;
}
.theme-status-label--level {
  color: var(--accent2);
  letter-spacing: 0.01em;
}
.theme-status-label--soon {
  display: inline-block;
  margin-top: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  color: var(--text-white);
  background: color-mix(in srgb, var(--accent) 42%, var(--surface-bg));
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 25%, transparent);
}
.theme-option.theme-locked-level {
  opacity: 0.82;
  cursor: pointer;
  border-color: color-mix(in srgb, var(--accent2) 35%, var(--border));
}
.theme-option.theme-locked-level:hover {
  transform: none;
  background: var(--card-bg);
}
.theme-option.theme-coming-soon {
  filter: grayscale(1);
  opacity: 0.52;
  cursor: not-allowed;
  border-color: color-mix(in srgb, var(--border) 80%, transparent);
  transition: filter 0.35s ease, opacity 0.35s ease, transform 0.2s ease;
}
.theme-option.theme-coming-soon:hover {
  transform: none;
  background: var(--card-bg);
  box-shadow: none;
}
.theme-option.theme-coming-soon .theme-preview {
  filter: grayscale(1);
  opacity: 0.7;
}
.theme-option.theme-coming-soon .theme-display-name,
.theme-option.theme-coming-soon .theme-name {
  color: var(--text-gray);
  font-weight: 700;
}
.theme-option.theme-coming-soon::after,
.theme-option.theme-locked-level.theme-coming-soon::after {
  display: none;
}
.theme-option.theme-locked-level:not(.theme-coming-soon)::after {
  content: '\f023';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.45);
  color: #fff;
  font-size: 12px;
}

/* ══════════════════════════════════════════
   CONFETTI
   ══════════════════════════════════════════ */
.confetti-container {
  position:fixed; top:0; left:0; width:100%; height:100%;
  pointer-events:none; z-index:5000; overflow:hidden;
}
.confetti-piece { position:absolute; top:-10px; animation:confettiFall linear forwards; }
@keyframes confettiFall {
  0%  { transform:translateY(0) rotate(0deg);    opacity:1; }
  100%{ transform:translateY(105vh) rotate(720deg); opacity:0; }
}

/* ══════════════════════════════════════════
   STATS PANEL
   ══════════════════════════════════════════ */
.stats-overlay {
  position:fixed; inset:0; background:var(--overlay-bg); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  z-index:10240; display:flex; align-items:flex-start; justify-content:center;
  padding:20px 16px; overflow-y:auto; opacity:0; transition:opacity .3s ease;
}
.stats-overlay.show { opacity:1; }
.stats-box {
  background:var(--card-bg); border:1px solid var(--border);
  border-radius:20px; padding:24px; width:100%; max-width:620px;
  animation:slideUp .35s ease;
}

/* للثيمات الفاتحة - صندوق الإحصائيات أبيض */
[data-theme="ocean"] .stats-box,
[data-theme="scroll"] .stats-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.stats-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; }
.stats-header h2 { margin:0; font-size:18px; color:var(--text-white); }
.stats-close { background:none; border:none; color:var(--text-gray); font-size:20px; cursor:pointer; padding:4px 8px; border-radius:6px; }
.stats-close:hover { background:var(--border); color:var(--text-white); }
.stats-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:24px; }
@media(max-width:400px){.stats-grid{grid-template-columns:repeat(2,1fr);}}
.stat-card { background:var(--surface-bg); border:1px solid var(--border); border-radius:12px; padding:14px 12px; text-align:center; }

/* للثيمات الفاتحة - كروت الإحصائيات بيضاء */
[data-theme="ocean"] .stat-card,
[data-theme="scroll"] .stat-card {
  background: var(--card-bg);
  box-shadow: 0 3px 12px rgba(0,0,0,0.08);
  border: 1px solid var(--border);
}

/* ═════════════════════════════════════════════════════════════════
   LIQUID GLASS THEME - iOS Style Glassmorphism
   نظام زجاجي متكامل مع تأثيرات سائلة وتكيف تلقائي
   ═════════════════════════════════════════════════════════════════ */

/* ── 1. Glass Cards with Depth Separation ── */
[data-theme="glass"] .card-box,
[data-theme="glass"] .word-card,
[data-theme="glass"] .game-card,
[data-theme="glass"] .stat-card {
  background: var(--glass-bg-2);
  backdrop-filter: blur(var(--glass-blur-card)) saturate(var(--glass-saturation));
  -webkit-backdrop-filter: blur(var(--glass-blur-card)) saturate(var(--glass-saturation));
  /* 3D Borders: top/left = white highlight, bottom/right = dark shadow */
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  border-left: 1px solid rgba(255, 255, 255, 0.4);
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  border-right: 1px solid rgba(0, 0, 0, 0.1);
  /* Inset highlight from top for 3D glass feel */
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.05),
    var(--glass-shadow-medium);
  border-radius: 16px;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease, border-color 0.2s ease;
  will-change: transform;
  position: relative;
  overflow: hidden;
}

/* Diagonal specular highlight - ضربة ضوء قطرية */
[data-theme="glass"] .card-box::before,
[data-theme="glass"] .word-card::before,
[data-theme="glass"] .game-card::before,
[data-theme="glass"] .stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--glass-shine);
  pointer-events: none;
  border-radius: 16px;
  opacity: 0.8;
}

/* Hover - Liquid glow effect */
[data-theme="glass"] .card-box:hover,
[data-theme="glass"] .word-card:hover,
[data-theme="glass"] .game-card:hover,
[data-theme="glass"] .stat-card:hover {
  box-shadow: var(--glass-shadow-strong), var(--glass-inner-glow);
  border-color: var(--glass-border-3);
  transform: translateY(-2px);
}

/* ── Glass Text محسّن ── */

[data-theme="glass"] {
  --glass-text-main: rgba(255,255,255,0.9);
  --glass-text-soft: rgba(255,255,255,0.7);
}

/* النص الأساسي */
[data-theme="glass"] h1,
[data-theme="glass"] h2,
[data-theme="glass"] h3,
[data-theme="glass"] .word-text,
[data-theme="glass"] .side-label,
[data-theme="glass"] .cat-tag,
[data-theme="glass"] .settings-title {
  color: var(--glass-text-main);
  text-shadow:
    0 1px 2px rgba(0,0,0,0.3),
    0 0 8px rgba(255,255,255,0.25);
}

/* النصوص الصغيرة */
[data-theme="glass"] .meaning-text,
[data-theme="glass"] .example-box,
[data-theme="glass"] .hint-text,
[data-theme="glass"] .tooltip-text,
[data-theme="glass"] .settings-label {
  color: var(--glass-text-soft);
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* ── إصلاح إعدادات البحث 🔥 ── */
[data-theme="glass"] .search-settings,
[data-theme="glass"] .search-settings * {
  color: var(--glass-text-main) !important;
}

/* ── إصلاح الـ tooltip (النيم تاج) 🔥 ── */
[data-theme="glass"] .tooltip,
[data-theme="glass"] .tooltip-text {
  color: rgba(255,255,255,0.95) !important;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

/* ── لمعة خفيفة للنص (Apple vibe) ── */
[data-theme="glass"] strong,
[data-theme="glass"] .highlight {
  text-shadow:
    0 0 10px rgba(255,255,255,0.35),
    0 1px 2px rgba(0,0,0,0.25);
}

/* ── إلغاء أي تخبيص سابق ── */
[data-theme="glass"] * {
  mix-blend-mode: normal !important;
  -webkit-text-fill-color: unset !important;
}

/* ── 2. Glass Inputs with Frost Effect ── */
[data-theme="glass"] input,
[data-theme="glass"] select,
[data-theme="glass"] textarea {
  background: var(--glass-bg-input);
  backdrop-filter: blur(var(--glass-blur-input)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur-input)) saturate(140%);
  border: 1px solid var(--glass-border-2);
  border-bottom: 1px solid var(--glass-border-1);
  box-shadow: var(--glass-shadow-soft), var(--glass-inner-glow);
  border-radius: 12px;
  transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="glass"] input:focus,
[data-theme="glass"] select:focus,
[data-theme="glass"] textarea:focus {
  background: var(--glass-bg-3);
  border-color: var(--glass-border-3);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2), var(--glass-shadow-soft);
}

/* ── 3. Glass Sidebar - Back Layer ── */
[data-theme="glass"] .sidebar {
  position: relative;
  background: transparent;
  border-left: 1px solid var(--glass-border-2);
  border-right: none;
  box-shadow: var(--glass-shadow-strong);
  z-index: 100;
}

[data-theme="glass"] .sidebar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-bg-1);
  backdrop-filter: blur(var(--glass-blur-bg)) saturate(var(--glass-saturation));
  -webkit-backdrop-filter: blur(var(--glass-blur-bg)) saturate(var(--glass-saturation));
  z-index: -1;
  pointer-events: none;
}

[data-theme="glass"] .sidebar > * {
  position: relative;
  z-index: 1;
}

/* ── 4. Glass Game Header - Floating Layer ── */
[data-theme="glass"] .game-header-bar {
  background: var(--glass-bg-2);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border-2);
  box-shadow: var(--glass-shadow-medium);
  border-radius: 14px;
}

/* ── 5. Glass Stats Panel - Modal Layer ── */
[data-theme="glass"] body {
  /* خلفية ثابتة gradient أزرق فاتح هادئ بدون حركة */
  background: linear-gradient(180deg, #3f7fc9, #2562a8);
  background-attachment: fixed;
  background-size: cover;
  position: relative;
  overflow-x: hidden;
  /* إزالة أي animation */
}

/* إزالة أي keyframes أو حركة للخلفية */

[data-theme="glass"] .stats-box {
  background: var(--glass-bg-2);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--glass-border-2);
  border-top: 1px solid var(--glass-border-3);
  box-shadow: var(--glass-shadow-strong), 0 25px 50px rgba(0, 0, 0, 0.15);
  border-radius: 20px;
}

[data-theme="glass"] .stats-overlay {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.4);
}

/* ── 6. Glass Search Bar ── */
[data-theme="glass"] .search-bar-row input,
[data-theme="glass"] .search-bar-row select {
  background: var(--glass-bg-3);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border-2);
  box-shadow: var(--glass-shadow-soft);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="glass"] .search-bar-row input:hover,
[data-theme="glass"] .search-bar-row select:hover {
  background: var(--glass-bg-input);
  border-color: var(--glass-border-3);
  box-shadow: var(--glass-shadow-medium);
}

/* ── 15. Sidebar Fix - Position & Layering ── */
/* Desktop: Sidebar as rail (56px) */
[data-theme="glass"] .sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: var(--sidebar-rail);  /* 56px rail by default */
  /* Glass background WITHOUT blur on the sidebar itself */
  background: rgba(255, 255, 255, 0.15);
  /* 3D Borders - Glass edge effect */
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  border-left: 1px solid rgba(255, 255, 255, 0.4);
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.2);
  z-index: 1001;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

/* Sidebar OPEN state on Desktop */
[data-theme="glass"] .sidebar.open,
[data-theme="glass"] body.sidebar-open .sidebar {
  width: var(--sidebar-open);  /* 280px when open */
  overflow-y: auto;
}

/* Overlay - blur effect on content BEHIND sidebar */
[data-theme="glass"] .overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
}

/* Sidebar content stays sharp - no blur */
[data-theme="glass"] .sidebar > * {
  position: relative;
  z-index: 2;
}

/* ═════════════════════════════════════════════════════════════════
   GLASS BUBBLES ANIMATION - Performance Optimized (GPU Only)
   ═════════════════════════════════════════════════════════════════ */

/* Bubbles container */
[data-theme="glass"] .bubbles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* Individual bubbles - GPU optimized with transform only */
[data-theme="glass"] .bubble {
  position: absolute;
  bottom: -100px;
  background: radial-gradient(circle at 30% 30%, 
    rgba(255, 255, 255, 0.15) 0%, 
    rgba(255, 255, 255, 0.05) 50%, 
    transparent 70%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  animation: floatUp linear infinite;
  will-change: transform, opacity;
  transform: translateZ(0);
}

/* Bubble sizes */
[data-theme="glass"] .bubble--small { width: 20px; height: 20px; }
[data-theme="glass"] .bubble--medium { width: 40px; height: 40px; }
[data-theme="glass"] .bubble--large { width: 60px; height: 60px; }

/* GPU-optimized animation - ONLY transform and opacity */
@keyframes floatUp {
  0% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-120vh) translateX(20px) scale(0.8);
    opacity: 0;
  }
}

/* Varying animation durations for different speeds */
[data-theme="glass"] .bubble--slow { animation-duration: 15s; }
[data-theme="glass"] .bubble--normal { animation-duration: 10s; }
[data-theme="glass"] .bubble--fast { animation-duration: 7s; }

/* Mobile - Reduced bubbles for performance */
@media (pointer: coarse), (max-width: 768px) {
  [data-theme="glass"] .bubbles-container {
    display: none; /* Disable on mobile for performance */
  }

  /* ── تحسين تفاعل اللمس على الموبايل (Tap Interactions) ── */

  /* تأثير ضغط للأزرار (scale + feedback) */
  .btn-main:active,
  .btn-ai:active,
  .auth-btn:active,
  .btn-icon-tip:active,
  .btn-backup:active,
  .quiz-btn:active,
  .setup-btn:active,
  .btn-confirm:active,
  .btn-cancel:active {
    transform: scale(0.96);
    opacity: 0.93;
    transition: transform 0.13s cubic-bezier(.4,0,.2,1), opacity 0.13s;
    will-change: transform;
    /* Ripple effect بسيط */
    overflow: hidden;
  }

  /* تأثير ضغط للكروت والقوائم */
  .card-box:active,
  .word-card:active,
  .game-card:active,
  .stat-card:active,
  .nav-link:active,
  .cat-tag:active {
    transform: scale(0.97) translateY(2px);
    opacity: 0.96;
    transition: transform 0.14s cubic-bezier(.4,0,.2,1), opacity 0.14s;
    will-change: transform;
  }

  /* تأثير ضغط لعناصر القوائم الصغيرة */
  .side-label:active,
  .sidebar-divider:active,
  .sidebar-header:active {
    opacity: 0.8;
    transition: opacity 0.13s;
  }

  /* Ripple effect بسيط للأزرار (اختياري) */
  .btn-main:active::after,
  .btn-ai:active::after,
  .btn-icon-tip:active::after,
  .setup-btn:active::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.00) 70%);
    transform: translate(-50%, -50%) scale(1.1);
    border-radius: 50%;
    pointer-events: none;
    animation: rippleMobile 0.32s linear;
    z-index: 2;
  }

  @keyframes rippleMobile {
    0%   { opacity: 0.32; transform: translate(-50%, -50%) scale(0.7); }
    80%  { opacity: 0.18; transform: translate(-50%, -50%) scale(1.1); }
    100% { opacity: 0;    transform: translate(-50%, -50%) scale(1.3); }
  }

  /* إصلاح stacking context لعناصر فيها position */
  .btn-main,
  .btn-ai,
  .btn-icon-tip,
  .setup-btn {
    position: relative;
    overflow: hidden;
  }

  /* ═══════════════════════════════════════════
     MOBILE INTERACTION FIXES - Professional Touch
     ═══════════════════════════════════════════ */

  /* 1. COMPLETELY DISABLE hover on mobile */
  @media (hover: none) and (pointer: coarse) {
    .btn-main:hover,
    .btn-ai:hover,
    .btn-icon-tip:hover,
    .btn-audio:hover,
    .btn-edit:hover,
    .btn-delete:hover,
    .card-box:hover,
    .word-card:hover,
    .game-card:hover,
    .stat-card:hover,
    .nav-link:hover,
    .search-btn:hover {
      /* Reset ALL hover effects */
      transform: none !important;
      scale: none !important;
      filter: none !important;
      box-shadow: inherit !important;
      background: inherit !important;
      color: inherit !important;
      opacity: 1 !important;
      /* Prevent sticky hover state */
      -webkit-tap-highlight-color: transparent;
    }

    /* 2. ACTION BUTTONS - Professional Tap Effect (NO tooltip) */
    .btn-audio,
    .btn-edit,
    .btn-delete {
      /* Remove any tooltip capability */
      pointer-events: auto !important;
      touch-action: manipulation !important;
      -webkit-tap-highlight-color: rgba(0,0,0,0) !important;
      /* Isolation to prevent card interaction */
      isolation: isolate !important;
    }

    /* Action buttons tap feedback */
    .btn-audio:active,
    .btn-edit:active,
    .btn-delete:active {
      transform: scale(0.92) !important;
      opacity: 0.85 !important;
      transition: transform 0.08s ease-out, opacity 0.08s ease-out !important;
      will-change: transform;
      /* Prevent bubbling to card */
      pointer-events: auto !important;
    }

    /* 3. MAIN BUTTONS Tap Effect */
    .btn-main:active,
    .btn-ai:active,
    .btn-icon-tip:active,
    .search-btn:active {
      transform: scale(0.95) !important;
      opacity: 0.9 !important;
      transition: transform 0.1s ease-out, opacity 0.1s ease-out !important;
      will-change: transform;
    }

    /* 4. Card tap effect - BUT NOT when clicking action buttons */
    .card-box:active:not(:has(.btn-audio:active, .btn-edit:active, .btn-delete:active)),
    .word-card:active:not(:has(.btn-audio:active, .btn-edit:active, .btn-delete:active)),
    .game-card:active:not(:has(.btn-audio:active, .btn-edit:active, .btn-delete:active)),
    .stat-card:active {
      transform: scale(0.98) !important;
      transition: transform 0.12s ease-out !important;
    }

    /* 5. NO tooltip on action buttons */
    .btn-audio .tooltip-text,
    .btn-edit .tooltip-text,
    .btn-delete .tooltip-text,
    [data-tooltip] .btn-audio::after,
    [data-tooltip] .btn-edit::after,
    [data-tooltip] .btn-delete::after {
      display: none !important;
      visibility: hidden !important;
      opacity: 0 !important;
      pointer-events: none !important;
    }

    /* 6. TOOLTIP - Hidden on normal tap, show on long-press only (EXCEPT action buttons) */
    .tooltip-text {
      /* Completely hide tooltip on mobile by default */
      visibility: hidden !important;
      opacity: 0 !important;
      display: none !important;
      /* Prevent any hover-triggered visibility */
      transition: none !important;
    }

    /* Tooltip only shows with .show class (added via JS on long-press) */
    .tooltip-text.show {
      visibility: visible !important;
      opacity: 1 !important;
      display: block !important;
      position: fixed !important;
      z-index: 9999 !important;
    }

    /* 7. Prevent text selection on tap */
    .btn-main,
    .btn-ai,
    .btn-icon-tip,
    .btn-audio,
    .btn-edit,
    .btn-delete,
    .card-box,
    .word-card,
    .game-card {
      -webkit-user-select: none !important;
      user-select: none !important;
      -webkit-touch-callout: none !important;
    }
  }

  /* تحسين الأداء */
  .btn-main,
  .btn-ai,
  .btn-icon-tip,
  .setup-btn,
  .card-box,
  .word-card,
  .game-card,
  .stat-card,
  .nav-link {
    will-change: transform;
  }
}

/* END Mobile Interaction Fixes */

/* ── تحسين وتوحيد أسلوب النص الزجاجي في ثيم Glass ── */
[data-theme="glass"] .card-box,
[data-theme="glass"] .word-card,
[data-theme="glass"] .game-card,
[data-theme="glass"] .stat-card,
[data-theme="glass"] .sidebar,
[data-theme="glass"] .btn-main,
[data-theme="glass"] .btn-ai,
[data-theme="glass"] .auth-btn,
[data-theme="glass"] .btn-icon-tip,
[data-theme="glass"] .search-bar-row input,
[data-theme="glass"] .search-bar-row select,
[data-theme="glass"] .search-bar-row,
[data-theme="glass"] .sidebar-header h2,
[data-theme="glass"] .side-label,
[data-theme="glass"] .nav-link,
[data-theme="glass"] .nav-link.active,
[data-theme="glass"] .sidebar-divider,
[data-theme="glass"] .page-header h1,
[data-theme="glass"] .modal-content h2,
[data-theme="glass"] .modal-content p,
[data-theme="glass"] .quiz-word,
[data-theme="glass"] .quiz-meaning,
[data-theme="glass"] .quiz-example,
[data-theme="glass"] .meaning-text,
[data-theme="glass"] .example-box,
[data-theme="glass"] .hint-text,
[data-theme="glass"] .cat-tag,
[data-theme="glass"] .streak-count,
[data-theme="glass"] .xp-val,
[data-theme="glass"] .xp-hint,
[data-theme="glass"] .xp-next-val,
[data-theme="glass"] .stat-lbl,
[data-theme="glass"] .heatmap-title,
[data-theme="glass"] .heatmap-legend,
[data-theme="glass"] .btn-backup,
[data-theme="glass"] .game-header-title,
[data-theme="glass"] .game-stats-btn,
[data-theme="glass"] .game-word-count,
[data-theme="glass"] .quiz-btn,
[data-theme="glass"] .btn-remember,
[data-theme="glass"] .btn-forget,
[data-theme="glass"] .btn-new,
[data-theme="glass"] .btn-old,
[data-theme="glass"] .btn-starred,
[data-theme="glass"] .btn-all,
[data-theme="glass"] .btn-close-quiz,
[data-theme="glass"] .btn-confirm,
[data-theme="glass"] .btn-cancel,
[data-theme="glass"] .star-btn,
[data-theme="glass"] .actions,
[data-theme="glass"] .icon-circle,
[data-theme="glass"] .backup-zone {
  color: rgba(255,255,255,0.93) !important;
  text-shadow:
    0 2px 8px rgba(60,120,200,0.13),
    0 1px 0 rgba(0,0,0,0.10),
    0 0 6px rgba(255,255,255,0.10);
}

[data-theme="glass"] .meaning-text,
[data-theme="glass"] .example-box,
[data-theme="glass"] .hint-text,
[data-theme="glass"] .quiz-example,
[data-theme="glass"] .modal-content p,
[data-theme="glass"] .stats-header h2,
[data-theme="glass"] .stat-card,
[data-theme="glass"] .cat-tag,
[data-theme="glass"] .side-label,
[data-theme="glass"] .sidebar-divider,
[data-theme="glass"] .tooltip-text,
[data-theme="glass"] .streak-count,
[data-theme="glass"] .xp-val,
[data-theme="glass"] .xp-hint,
[data-theme="glass"] .xp-next-val,
[data-theme="glass"] .stat-lbl,
[data-theme="glass"] .heatmap-title,
[data-theme="glass"] .heatmap-legend {
  color: rgba(255,255,255,0.82) !important;
  text-shadow:
    0 1px 6px rgba(60,120,200,0.10),
    0 1px 0 rgba(0,0,0,0.08),
    0 0 4px rgba(255,255,255,0.08);
}

/* إصلاح tooltips: لون أبيض واضح دائماً فوق كل شيء */
[data-theme="glass"] .tooltip-text {
  color: #fff !important;
  text-shadow: 0 2px 8px rgba(60,120,200,0.18), 0 1px 0 rgba(0,0,0,0.13);
  background: rgba(30,41,59,0.98) !important;
  -webkit-background-clip: border-box !important;
  -webkit-text-fill-color: #fff !important;
  background-clip: border-box !important;
  text-fill-color: #fff !important;
  filter: none !important;
  mix-blend-mode: normal !important;
}

/* إصلاح search settings: فرض لون النص الأبيض */
[data-theme="glass"] .search-bar-row input,
[data-theme="glass"] .search-bar-row select,
[data-theme="glass"] .search-bar-row {
  color: rgba(255,255,255,0.93) !important;
  text-shadow: 0 2px 8px rgba(60,120,200,0.13), 0 1px 0 rgba(0,0,0,0.10);
}
/* END تحسين وتوحيد أسلوب النص الزجاجي في ثيم Glass */

/* ═════════════════════════════════════════════════════════════════
   GLASS THEME SPECIFIC STYLES - Liquid iOS Style
   ═════════════════════════════════════════════════════════════════ */

/* Mobile / Low-power devices - Reduce effects automatically */
@media (pointer: coarse), (max-width: 768px), (prefers-reduced-motion: reduce) {
  [data-theme="glass"] {
    --glass-blur-bg: 10px;
    --glass-blur-card: 8px;
    --glass-blur-input: 6px;
    --glass-saturation: 120%;
    --glass-shadow-soft: 0 2px 12px rgba(31, 38, 135, 0.08);
    --glass-shadow-medium: 0 4px 20px rgba(31, 38, 135, 0.1);
    --glass-shadow-strong: 0 8px 32px rgba(31, 38, 135, 0.12);
  }
  
  /* Mobile: Sidebar hidden off-screen with transform */
  [data-theme="glass"] .sidebar {
    width: 260px;
    right: -280px;  /* Hidden off-screen */
    transform: translateX(0);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 255, 255, 0.95);
  }
  
  /* Mobile: Sidebar visible when open */
  [data-theme="glass"] .sidebar.open,
  [data-theme="glass"] body.sidebar-open .sidebar {
    right: 0;
    width: 260px;
  }
  
  /* Mobile: lighter overlay */
  [data-theme="glass"] .overlay {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    background: rgba(0, 0, 0, 0.2);
  }
  
  [data-theme="glass"] .card-box,
  [data-theme="glass"] .word-card,
  [data-theme="glass"] .game-card,
  [data-theme="glass"] .stat-card {
    border-radius: 14px;
  }
  
  [data-theme="glass"] .card-box::before,
  [data-theme="glass"] .word-card::before,
  [data-theme="glass"] .game-card::before,
  [data-theme="glass"] .stat-card::before {
    display: none; /* Remove reflection on mobile */
  }
  
  [data-theme="glass"] .btn-primary::before {
    display: none; /* Remove shimmer on mobile */
  }
}

/* Very low-end devices - Minimal glass effects */
@media (prefers-reduced-transparency: reduce) {
  [data-theme="glass"] {
    --glass-blur-bg: 4px;
    --glass-blur-card: 4px;
    --glass-blur-input: 2px;
  }
  
  [data-theme="glass"] .sidebar,
  [data-theme="glass"] .card-box,
  [data-theme="glass"] .word-card,
  [data-theme="glass"] .game-card,
  [data-theme="glass"] .stat-card,
  [data-theme="glass"] input,
  [data-theme="glass"] select,
  [data-theme="glass"] textarea {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
  }
}

.stat-val { font-size:22px; font-weight:700; color:var(--accent); margin-bottom:4px; }
.stat-lbl { font-size:11px; color:var(--text-gray); }

/* Heatmap */
.heatmap-title { font-size:13px; font-weight:600; color:var(--text-gray); margin-bottom:10px; }
.heatmap-legend { display:flex; align-items:center; gap:4px; font-size:11px; color:var(--text-gray); margin-bottom:8px; }
.heatmap-grid { display:grid; grid-template-columns:repeat(53,1fr); gap:2px; overflow-x:auto; }
@media(max-width:480px){ .heatmap-grid{ grid-template-columns:repeat(26,1fr); } }
.hm-cell { aspect-ratio:1; border-radius:2px; min-width:8px; min-height:8px; cursor:default; }
.hm-cell[data-level="0"] { background:var(--heatmap-0); }
.hm-cell[data-level="1"] { background:var(--heatmap-1); }
.hm-cell[data-level="2"] { background:var(--heatmap-2); }
.hm-cell[data-level="3"] { background:var(--heatmap-3); }
.hm-cell[data-level="4"] { background:var(--heatmap-4); }

/* btn-already-added */
.btn-already-added { background:var(--border)!important; color:var(--text-gray)!important; cursor:default!important; opacity:.75; }

/* ═══════════════════════════════════════════════════════
   QUIZ CARD BUTTON POSITIONS
   ═══════════════════════════════════════════════════════ */

/* زر الرجوع - خارج الكارد على الشمال فوق */
.quiz-back-btn {
  position: absolute;
  top: -50px;
  left: 0;
  z-index: 10;
}

/* زر الصوت - داخل الكارد بزاوية فوق شمال */
.quiz-sound-btn {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 5;
}

/* Quiz card relative positioning for absolute children */
.quiz-card {
  position: relative;
}

.onboarding-buttons .btn-secondary,
#onboardingSecondaryBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  background: color-mix(in srgb, var(--surface-bg) 72%, transparent);
  color: var(--text-white);
  font-weight: 700;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 10px 24px rgba(0,0,0,0.18);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.onboarding-buttons .btn-secondary:hover,
#onboardingSecondaryBtn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text-white);
}

.onboarding-buttons .btn-secondary:active,
#onboardingSecondaryBtn:active {
  transform: translateY(0) scale(0.98);
}


/* Backup tools polish and sidebar scrollbar side - added by Codex */
body.sidebar-open .sidebar.open,
body.sidebar-open .sidebar.open nav {
  direction: ltr;
  scrollbar-width: none;
  scrollbar-color: transparent transparent;
}

body.sidebar-open .sidebar.open > *,
body.sidebar-open .sidebar.open nav > * {
  direction: rtl;
}

body.sidebar-open .sidebar.open::-webkit-scrollbar,
body.sidebar-open .sidebar.open nav::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.backup-zone {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

.backup-row {
  flex: 1 1 0;
  margin: 0 !important;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.backup-row .btn-backup {
  flex: 1 1 auto;
  min-width: 0;
  justify-content: center;
}

.help-btn {
  width: 22px !important;
  height: 22px !important;
  min-width: 22px;
  padding: 0;
  font-size: 10px;
  line-height: 1;
  opacity: 0.82;
  box-shadow: none;
}

.help-btn:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.backup-help-popover {
  position: fixed;
  z-index: 10020;
  width: max-content;
  max-width: min(340px, calc(100vw - 24px));
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-white);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.32);
  pointer-events: auto;
  font-size: 12px;
  line-height: 1.8;
  text-align: right;
}

@media (max-width: 520px) {
  .backup-zone {
    flex-direction: column;
    align-items: stretch;
  }
}
/* Sidebar open layout and scroll lock - added by Codex */
html.sidebar-open,
body.sidebar-open {
  overflow: hidden !important;
  overscroll-behavior: none;
}

@media (min-width: 769px) {
  body.sidebar-open .main-content {
    padding-right: calc(var(--sidebar-rail) + 24px) !important;
    max-width: calc(620px + var(--sidebar-rail)) !important;
    transition: none !important;
  }
}

body.sidebar-open .sidebar.open {
  overflow-y: auto !important;
  overflow-x: hidden !important;
  overscroll-behavior: contain;
}

body.sidebar-open .sidebar.open nav {
  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch;
}
/* Sidebar performance tuning - added by Codex */
@media (min-width: 769px) {
  [data-theme="glass"] .sidebar {
    transition: width 0.24s ease-out, box-shadow 0.2s ease-out !important;
    box-shadow: -5px 0 18px rgba(0, 0, 0, 0.16) !important;
  }

  [data-theme="glass"] .sidebar.open,
  [data-theme="glass"] body.sidebar-open .sidebar {
    box-shadow: -7px 0 24px rgba(0, 0, 0, 0.22) !important;
  }
}

@media (pointer: coarse), (max-width: 768px) {
  .sidebar {
    transition: right 0.16s ease-out !important;
    box-shadow: none !important;
    will-change: right;
    contain: layout paint;
  }

  .sidebar.open {
    box-shadow: -4px 0 14px rgba(0, 0, 0, 0.22) !important;
  }

  .sidebar .side-label {
    transition: opacity 0.1s ease-out !important;
  }

  [data-theme="glass"] .sidebar {
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transition: right 0.14s ease-out !important;
    box-shadow: none !important;
  }

  [data-theme="glass"] .sidebar.open,
  [data-theme="glass"] body.sidebar-open .sidebar {
    box-shadow: -3px 0 12px rgba(0, 0, 0, 0.18) !important;
  }

  [data-theme="glass"] .overlay {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(0, 0, 0, 0.16) !important;
  }
}







/* Treasure page shell - added by Codex */
body.treasure-mode .sidebar {
  transform: translateX(110%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.22s ease !important;
}

body.treasure-mode .menu-btn {
  opacity: 0;
  transform: translateX(28px) scale(0.92);
  pointer-events: none;
}

body.treasure-mode .main-content {
  max-width: min(1080px, 100%) !important;
  padding: 26px clamp(16px, 4vw, 42px) 42px !important;
}

.treasure-view {
  min-height: calc(100vh - 120px);
  position: relative;
  padding: 10px 0 34px;
  animation: treasureIn 0.28s ease both;
}

@keyframes treasureIn {
  from { opacity: 0; transform: translateX(-18px); }
  to { opacity: 1; transform: translateX(0); }
}

.treasure-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-white);
  border-radius: 999px;
  padding: 9px 14px;
  font-family: inherit;
  font-weight: 800;
  cursor: pointer;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

.treasure-hero {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
  max-width: 680px;
}

.treasure-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid rgba(34, 197, 94, 0.28);
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 900;
}

.treasure-hero h2 {
  margin: 0;
  color: var(--text-white);
  font-size: clamp(28px, 6vw, 54px);
  line-height: 1.05;
}

.treasure-hero p {
  margin: 0;
  color: var(--text-gray);
  line-height: 1.8;
  max-width: 58ch;
}

.treasure-stage {
  display: grid;
  place-items: center;
  gap: 14px;
  min-height: 280px;
  margin: 12px 0 24px;
  border-radius: 22px;
  border: 1px solid rgba(245, 158, 11, 0.28);
  background:
    radial-gradient(circle at 50% 35%, rgba(245, 158, 11, 0.20), transparent 34%),
    linear-gradient(135deg, rgba(15, 23, 42, 0.32), rgba(34, 197, 94, 0.09));
  overflow: hidden;
}

.treasure-chest-main {
  position: relative;
  width: min(270px, 74vw);
  aspect-ratio: 1.32;
  border: 0;
  background: transparent;
  cursor: pointer;
  filter: drop-shadow(0 22px 26px rgba(0, 0, 0, 0.28));
}

.chest-glow {
  position: absolute;
  inset: 12% 15%;
  border-radius: 50%;
  background: rgba(250, 204, 21, 0.28);
  filter: blur(20px);
}

.chest-lid,
.chest-body {
  position: absolute;
  left: 8%;
  right: 8%;
  border: 2px solid rgba(120, 53, 15, 0.7);
  background: linear-gradient(135deg, #f59e0b, #facc15 48%, #b45309);
}

.chest-lid {
  top: 14%;
  height: 34%;
  border-radius: 18px 18px 8px 8px;
  transform: rotate(-3deg);
}

.chest-body {
  bottom: 7%;
  height: 54%;
  border-radius: 10px 10px 18px 18px;
  display: grid;
  place-items: center;
  color: #422006;
  font-size: 50px;
}

.treasure-timer {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  color: var(--text-gray);
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
}

.treasure-timer strong {
  color: var(--text-white);
}

.treasure-slots {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.treasure-slot {
  border: 1px solid var(--border);
  background: var(--card-bg);
  border-radius: 12px;
  padding: 15px;
  min-height: 150px;
  display: grid;
  align-content: start;
  gap: 8px;
}

.treasure-slot i {
  color: var(--accent);
  font-size: 23px;
}

.treasure-slot h3 {
  margin: 0;
  color: var(--text-white);
  font-size: 15px;
}

.treasure-slot p {
  margin: 0;
  color: var(--text-gray);
  line-height: 1.7;
  font-size: 13px;
}

.treasure-slot-ready {
  border-color: rgba(245, 158, 11, 0.52);
}

.treasure-slot-locked {
  opacity: 0.72;
}

.treasure-title-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.04);
}

.treasure-strip-label {
  display: block;
  color: var(--text-gray);
  font-size: 12px;
  margin-bottom: 4px;
}

@media (max-width: 760px) {
  .header-top {
    gap: 10px;
    flex-wrap: wrap;
  }

  body.treasure-mode .main-content {
    padding: 66px 14px 34px !important;
  }

  .treasure-view {
    min-height: calc(100vh - 100px);
  }

  .treasure-stage {
    min-height: 245px;
    border-radius: 18px;
  }

  .treasure-slots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .treasure-slot {
    min-height: 142px;
    padding: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .treasure-view,
  body.treasure-mode .sidebar,
  body.treasure-mode .menu-btn {
    animation: none !important;
    transition: none !important;
  }
}


/* Bottom treasure dock refinement - added by Codex */
.treasure-dock {
  position: fixed;
  left: 50%;
  bottom: max(22px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  width: auto;
  max-width: none;
  border-radius: 999px;
  border: 1px solid var(--legend-glass-border);
  background: var(--legend-glass-bg);
  box-shadow: var(--legend-glass-shadow);
  backdrop-filter: var(--legend-glass-blur);
  -webkit-backdrop-filter: var(--legend-glass-blur);
  z-index: 995;
}

.treasure-dock-btn {
  position: relative;
  width: 44px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-gray);
  font-size: 17px;
  cursor: pointer;
  transition: width 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.16s ease;
}

.treasure-dock-btn:hover,
.treasure-dock-btn.active {
  color: var(--text-white);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.24), rgba(34, 197, 94, 0.13));
}

.treasure-dock-btn.active {
  width: 58px;
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.30);
}

.treasure-dock-btn:active {
  transform: scale(0.94);
}

.treasure-dock-btn::after {
  content: attr(data-label);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  padding: 7px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.30);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.treasure-dock-btn:hover::after,
.treasure-dock-btn:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (hover: none), (pointer: coarse) {
  .treasure-dock-btn:hover:not(.active) {
    color: var(--text-gray);
    background: transparent;
    box-shadow: none;
  }
  .treasure-dock-btn:hover::after,
  .treasure-dock-btn:focus::after,
  .treasure-dock-btn:focus-visible::after,
  .treasure-dock-btn:active::after {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
  }
  .treasure-dock-btn.dock-tip-show::after {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    transform: translateX(-50%) translateY(0) !important;
    z-index: 10000 !important;
  }
}

body.sidebar-open .treasure-dock,
body.onboarding-active .treasure-dock {
  opacity: 0;
  pointer-events: none;
}

body.treasure-dock-visible .main-content {
  padding-bottom: 106px !important;
}

.treasure-back-btn {
  display: none !important;
}


/* Treasure chest visual upgrade - added by Codex */
.treasure-stage {
  min-height: 330px;
  border-radius: 26px;
  border-color: rgba(245, 158, 11, 0.36);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent 22%),
    radial-gradient(ellipse at 50% 36%, rgba(250, 204, 21, 0.34), transparent 38%),
    radial-gradient(ellipse at 50% 86%, rgba(34, 197, 94, 0.15), transparent 44%),
    linear-gradient(135deg, rgba(15, 23, 42, 0.40), rgba(88, 28, 135, 0.10));
}

.treasure-chest-main {
  width: min(340px, 78vw);
  aspect-ratio: 1.26;
  filter: drop-shadow(0 28px 30px rgba(0, 0, 0, 0.34));
}

.treasure-chest-main:hover .chest-lid {
  transform: translateY(-8px) rotate(-2deg);
}

.treasure-chest-main:hover .chest-glow {
  opacity: 1;
  transform: scale(1.08);
}

.chest-glow {
  inset: -8% 3% 20%;
  opacity: 0.74;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.75), transparent 9%),
    radial-gradient(circle at 50% 48%, rgba(250, 204, 21, 0.62), transparent 38%);
  filter: blur(18px);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.chest-shadow {
  position: absolute;
  left: 14%;
  right: 14%;
  bottom: 3%;
  height: 18%;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.28);
  filter: blur(14px);
}

.chest-lid,
.chest-body {
  left: 7%;
  right: 7%;
  border: 2px solid rgba(92, 45, 10, 0.84);
  overflow: hidden;
}

.chest-lid {
  top: 10%;
  height: 37%;
  border-radius: 28px 28px 10px 10px;
  background:
    linear-gradient(90deg, transparent 0 21%, rgba(255, 255, 255, 0.25) 21% 23%, transparent 23% 77%, rgba(255, 255, 255, 0.18) 77% 79%, transparent 79%),
    linear-gradient(180deg, #fef08a 0%, #f59e0b 56%, #92400e 100%);
  transform: rotate(-2deg);
  transform-origin: center bottom;
  transition: transform 0.22s ease;
  box-shadow: inset 0 10px 16px rgba(255, 255, 255, 0.26);
}

.chest-body {
  bottom: 9%;
  height: 55%;
  border-radius: 14px 14px 28px 28px;
  background:
    linear-gradient(90deg, transparent 0 18%, rgba(120, 53, 15, 0.36) 18% 24%, transparent 24% 76%, rgba(120, 53, 15, 0.34) 76% 82%, transparent 82%),
    linear-gradient(180deg, #f59e0b 0%, #d97706 46%, #7c2d12 100%);
  box-shadow: inset 0 12px 24px rgba(255, 255, 255, 0.15), inset 0 -18px 24px rgba(0, 0, 0, 0.20);
}

.chest-face {
  position: absolute;
  inset: 16% 10% auto;
  height: 26%;
  border-radius: 999px;
  background: rgba(254, 240, 138, 0.25);
  filter: blur(0.2px);
}

.chest-band {
  position: absolute;
  top: -10%;
  bottom: -10%;
  width: 9%;
  background: linear-gradient(180deg, #fde68a, #b45309);
  border-inline: 1px solid rgba(92, 45, 10, 0.46);
}

.chest-band-left { left: 21%; }
.chest-band-right { right: 21%; }

.chest-lock {
  position: absolute;
  left: 50%;
  top: 28%;
  width: 48px;
  height: 56px;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  border-radius: 13px;
  border: 2px solid rgba(92, 45, 10, 0.78);
  background: linear-gradient(180deg, #fef3c7, #f59e0b 58%, #92400e);
  color: #5c2d0a;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.22), inset 0 4px 8px rgba(255, 255, 255, 0.25);
  font-size: 21px;
}

@media (max-width: 760px) {
  .treasure-dock {
    bottom: max(18px, env(safe-area-inset-bottom));
    padding: 7px;
  }

  .treasure-dock-btn {
    width: 42px;
    height: 36px;
  }

  .treasure-dock-btn.active {
    width: 54px;
  }

  .treasure-stage {
    min-height: 285px;
  }

  .treasure-chest-main {
    width: min(300px, 82vw);
  }
}


/* Treasure arrows, swipe polish, and unload states - added by Codex */
.view-edge-arrow {
  position: fixed;
  top: 50%;
  width: 42px;
  height: 132px;
  transform: translateY(-50%);
  display: none;
  place-items: center;
  border: 0;
  background: transparent;
  color: color-mix(in srgb, var(--text-white) 32%, transparent);
  font-size: 34px;
  cursor: pointer;
  z-index: 990;
  opacity: 0.22;
  transition: opacity 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.view-edge-arrow::before {
  content: "";
  position: absolute;
  inset: 3px 12px;
  border-block: 1px solid currentColor;
  opacity: 0;
  transform: scaleY(0.82);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.view-edge-arrow::after {
  content: attr(data-label);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  padding: 7px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.30);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.view-edge-arrow-left {
  left: max(22px, env(safe-area-inset-left));
}

.view-edge-arrow-left::after {
  left: calc(100% + 8px);
  transform: translate(-6px, -50%);
}

.view-edge-arrow-right {
  right: max(22px, env(safe-area-inset-right));
}

.view-edge-arrow-right::after {
  right: calc(100% + 8px);
  transform: translate(6px, -50%);
}

.view-edge-arrow:hover,
.view-edge-arrow:focus-visible {
  opacity: 1;
  color: var(--accent);
  transform: translateY(-50%) scaleX(1.12);
}

.view-edge-arrow:hover::before,
.view-edge-arrow:focus-visible::before {
  opacity: 0.5;
  transform: scaleY(1);
}

.view-edge-arrow:hover::after,
.view-edge-arrow:focus-visible::after {
  opacity: 1;
  transform: translate(0, -50%);
}

body.treasure-side-next-visible .view-edge-arrow-left,
body.treasure-side-back-visible .view-edge-arrow-right {
  display: grid;
}

body.sidebar-open .view-edge-arrow,
body.onboarding-active .view-edge-arrow {
  display: none !important;
}

body.treasure-route-next .main-content {
  animation: treasureRouteNext 0.32s ease both;
}

body.treasure-route-back .main-content {
  animation: treasureRouteBack 0.32s ease both;
}

body.worlds-route-next .main-content {
  animation: worldsRouteNext 0.34s ease both;
}

body.worlds-route-back .main-content {
  animation: worldsRouteBack 0.34s ease both;
}

@keyframes treasureRouteNext {
  from { opacity: 0.68; transform: translateX(-18px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes treasureRouteBack {
  from { opacity: 0.68; transform: translateX(18px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes worldsRouteNext {
  from { opacity: 0.7; transform: translateX(-16px) scale(0.992); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes worldsRouteBack {
  from { opacity: 0.7; transform: translateX(16px) scale(0.992); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

body.treasure-mode #personalControls,
body.treasure-mode .search-bar-row,
body.treasure-mode .backup-zone,
body.treasure-mode #list {
  content-visibility: hidden;
  contain-intrinsic-size: 1px 1px;
}

@media (max-width: 760px), (pointer: coarse) {
  .view-edge-arrow {
    display: none !important;
  }
}


/* Unified treasure chest polish - added by Codex */
.treasure-stage {
  overflow: visible;
}

.treasure-chest-main {
  transform-style: preserve-3d;
}

.chest-lid {
  top: 12%;
  height: 36%;
  border-radius: 24px 24px 12px 12px;
  transform: none;
  box-shadow: inset 0 8px 16px rgba(255, 255, 255, 0.22), 0 6px 0 rgba(92, 45, 10, 0.22);
}

.treasure-chest-main:hover .chest-lid {
  transform: translateY(-6px);
}

.chest-body {
  bottom: 8%;
  height: 56%;
  border-radius: 12px 12px 26px 26px;
  z-index: 2;
}

.chest-lid::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 12px;
  background: linear-gradient(90deg, #7c2d12, #f59e0b 18%, #facc15 50%, #f59e0b 82%, #7c2d12);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 2px solid rgba(92, 45, 10, 0.78);
}

.chest-lock {
  z-index: 4;
}


/* Daily loot and titles - added by Codex */
.treasure-chest-main.is-locked {
  cursor: not-allowed;
  filter: grayscale(0.18) drop-shadow(0 18px 24px rgba(0, 0, 0, 0.26));
}

.treasure-chest-main.is-locked .chest-glow {
  opacity: 0.34;
}

.loot-reward-preview {
  color: var(--text-gray);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  margin-top: -6px;
}

.titles-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.title-card {
  min-height: 132px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  border-radius: 12px;
  padding: 13px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  transition: transform 0.18s ease, border-color 0.18s ease, opacity 0.18s ease;
}

.title-card:hover {
  transform: translateY(-2px);
}

.title-card.locked {
  opacity: 0.58;
  filter: grayscale(0.25);
}

.title-card.unlocked {
  border-color: rgba(245, 158, 11, 0.55);
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.12);
}

.title-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}

.title-card.locked .title-icon {
  color: var(--text-gray);
  background: rgba(255, 255, 255, 0.05);
}

.title-info {
  min-width: 0;
}

.title-info h3 {
  margin: 0 0 5px;
  color: var(--text-white);
  font-size: 14px;
}

.title-info p {
  margin: 0 0 7px;
  color: var(--text-gray);
  line-height: 1.55;
  font-size: 12px;
}

.title-info span {
  display: inline-flex;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
}

@media (max-width: 760px) {
  .titles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .title-card {
    min-height: 150px;
    flex-direction: column;
  }
}


/* Streak freeze and chest hold animation - added by Codex */
.treasure-chest-main {
  touch-action: pan-y;
  -webkit-tap-highlight-color: transparent;
}

.treasure-chest-main.is-charging .chest-lid {
  animation: chestChargeShake 0.26s ease-in-out infinite alternate;
}

.treasure-chest-main.is-charging .chest-body {
  animation: chestBodyTense 0.82s ease-in-out forwards;
}

.treasure-chest-main.is-charging::after {
  content: "";
  position: absolute;
  inset: 26% 28% 22%;
  pointer-events: none;
  opacity: 0;
  background:
    linear-gradient(120deg, transparent 0 44%, rgba(255,255,255,0.85) 45% 47%, transparent 48% 100%),
    linear-gradient(35deg, transparent 0 52%, rgba(255,255,255,0.65) 53% 55%, transparent 56% 100%);
  animation: chestCrackFlash 0.82s ease-out forwards;
}

.treasure-chest-main.is-opening .chest-lid {
  animation: chestLidPop 0.72s cubic-bezier(.2, .9, .2, 1) forwards;
}

.treasure-chest-main.is-opening .chest-body {
  animation: chestRewardBounce 0.72s cubic-bezier(.2, .9, .2, 1) forwards;
}

.treasure-chest-main.is-opening .chest-glow {
  animation: chestGlowBurst 0.9s ease-out forwards;
}

@keyframes chestChargeShake {
  from { transform: translateY(0) rotate(-1deg); }
  to { transform: translateY(-3px) rotate(1deg); }
}

@keyframes chestBodyTense {
  0% { transform: scale(1); filter: brightness(1); }
  70% { transform: scale(1.035); filter: brightness(1.1); }
  100% { transform: scale(1.02); filter: brightness(1.16); }
}

@keyframes chestCrackFlash {
  0%, 35% { opacity: 0; transform: scale(.85); }
  70% { opacity: .95; transform: scale(1.02); }
  100% { opacity: .35; transform: scale(1); }
}

@keyframes chestLidPop {
  0% { transform: translateY(0) rotate(0deg); }
  45% { transform: translateY(-34px) rotate(-7deg); }
  100% { transform: translateY(-24px) rotate(-4deg); }
}

@keyframes chestRewardBounce {
  0% { transform: scale(1); }
  45% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

@keyframes chestGlowBurst {
  0% { opacity: .35; transform: scale(.86); }
  45% { opacity: 1; transform: scale(1.2); }
  100% { opacity: .45; transform: scale(1); }
}

/* ═══════════════════════════════════════════════════════
   LEGEND UI OVERHAUL — Hero bar, Profile modal, Dock×4
   ═══════════════════════════════════════════════════════ */

.sidebar-legacy-hidden,
.menu-btn.sidebar-legacy-hidden,
#overlay.sidebar-legacy-hidden {
  display: none !important;
  pointer-events: none !important;
}

.legend-top-bar {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 1002;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: min(var(--content-max), calc(100vw - 28px));
  padding: 7px 14px;
  min-height: var(--legend-top-h);
  border-radius: 18px;
  background: var(--legend-glass-bg);
  border: 1px solid var(--legend-glass-border);
  backdrop-filter: var(--legend-glass-blur);
  -webkit-backdrop-filter: var(--legend-glass-blur);
  box-shadow: var(--legend-glass-shadow);
  isolation: isolate;
}
.legend-top-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent 60%);
  pointer-events: none;
}
.legend-top-bar > * { position: relative; z-index: 1; }

.hero-avatar-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--text-white);
  padding: 4px 8px 4px 4px;
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.16s ease;
}
.hero-avatar-btn:hover { background: var(--accent-soft); }
.hero-avatar-btn:active { transform: scale(0.97); }

.hero-avatar-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--text-on-accent);
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
  border: 2px solid color-mix(in srgb, var(--text-white) 35%, transparent);
  position: relative;
  overflow: hidden;
}
.hero-avatar-letter {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.hero-avatar-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 0;
}
.hero-level-badge {
  font-size: 13px;
  font-weight: 800;
  color: var(--star);
  line-height: 1.1;
}
.hero-xp-mini {
  font-size: 11px;
  color: var(--text-gray);
  font-weight: 600;
}

.legend-top-widgets {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.quest-pill-btn {
  position: relative;
  height: 40px;
  min-width: 40px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-bg) 70%, transparent);
  color: var(--text-gray);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  flex-shrink: 0;
  overflow: visible;
  transition: transform 0.16s, background 0.2s, color 0.2s, box-shadow 0.2s;
}
.quest-pill-btn:hover {
  color: var(--star);
  background: var(--accent-soft);
}
.quest-pill-btn.has-pending {
  color: var(--star);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--star) 35%, transparent);
}
.quest-pill-badge {
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
  padding: 3px 5px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--text-on-accent);
  border: 2px solid color-mix(in srgb, var(--card-bg) 50%, transparent);
}

.profile-settings-btn {
  justify-content: center;
  gap: 8px;
}

.main-content {
  padding-top: calc(var(--legend-top-h) + 32px) !important;
  padding-right: 24px !important;
  max-width: var(--content-max) !important;
}

.view-nav-bar {
  display: none;
  align-items: stretch;
  margin: 0 0 14px;
  position: relative;
  z-index: 5;
  animation: viewNavIn 0.28s ease;
}
body.view-has-back .view-nav-bar {
  display: flex !important;
}
@keyframes viewNavIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.view-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 11px 16px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--star) 35%, var(--border));
  background: color-mix(in srgb, var(--card-bg) 72%, var(--surface-bg));
  color: var(--text-white);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  backdrop-filter: var(--legend-glass-blur);
  -webkit-backdrop-filter: var(--legend-glass-blur);
  box-shadow: var(--legend-glass-shadow);
  transition: transform 0.16s, color 0.2s, background 0.2s, border-color 0.2s;
}
.view-back-btn i {
  color: var(--star);
  font-size: 15px;
}
.view-back-btn:hover {
  background: color-mix(in srgb, var(--accent) 16%, var(--card-bg) 36%);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateX(4px);
}
body.view-has-back .page-header { margin-bottom: 4px; }

@media (max-width: 768px) {
  :root { --legend-top-h: 50px; }
  .legend-top-bar {
    width: min(var(--content-max), calc(100vw - 20px));
    top: max(10px, env(safe-area-inset-top));
    padding: 6px 10px;
    border-radius: 16px;
  }
  .main-content {
    padding: calc(var(--legend-top-h) + 26px) 14px 40px !important;
    padding-right: 14px !important;
  }
  .hero-avatar-meta { display: none; }
  .quest-pill-btn {
    width: 40px;
    min-width: 40px;
    padding: 0;
  }
  .quest-pill-btn .fa-scroll { font-size: 15px; }
  .quest-pill-badge {
    position: absolute;
    top: -5px;
    left: -5px;
    padding: 2px 4px;
    font-size: 8px;
    min-width: 14px;
    text-align: center;
  }
  .notif-hub.notif-open .notif-popover {
    position: fixed !important;
    left: 12px !important;
    right: 12px !important;
    width: auto !important;
    max-width: none !important;
    transform: translateY(0) scale(1) !important;
  }
  .notif-popover-arrow { display: none; }
  .legend-top-widgets { gap: 6px; }
}

/* Profile modal */
.profile-modal {
  position: fixed;
  inset: 0;
  z-index: 10100;
  display: flex;
  align-items: stretch;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s;
}
.profile-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.profile-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.profile-modal-sheet {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  height: 100%;
  overflow-y: auto;
  background: color-mix(in srgb, var(--card-bg) 78%, transparent);
  border: 1px solid var(--border);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.45);
  animation: profileSheetIn 0.32s cubic-bezier(0.25, 0.8, 0.25, 1);
}
@keyframes profileSheetIn {
  from { transform: translateY(18px); opacity: 0.6; }
  to { transform: translateY(0); opacity: 1; }
}
.profile-modal-header {
  padding: 18px 18px 8px;
  border-bottom: 1px solid var(--border);
}
.profile-modal-close {
  float: left;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-white);
  cursor: pointer;
}
.profile-modal-hero {
  display: flex;
  align-items: center;
  gap: 14px;
  clear: both;
  padding-top: 8px;
}
.profile-modal-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent), var(--star));
  color: var(--text-on-accent);
  font-size: 22px;
}
.profile-avatar-letter {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-weight: 800;
  pointer-events: none;
}
.profile-modal-sub {
  margin: 4px 0 0;
  color: var(--text-gray);
  font-size: 13px;
}
.profile-modal-body { padding: 12px 18px 28px; }
.profile-section {
  margin-bottom: 22px;
}
.profile-section h3 {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--text-gray);
  display: flex;
  align-items: center;
  gap: 8px;
}
.profile-level-section .xp-panel {
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 12px;
  background: var(--surface-bg);
}
.profile-stats-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}
.profile-stat-chip {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  padding: 12px;
  text-align: center;
}
.profile-stat-chip span {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--star);
}
.profile-stat-chip small {
  color: var(--text-gray);
  font-size: 11px;
}
.profile-auth-btn {
  width: 100%;
  margin-top: 8px;
}
.profile-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 10px;
  padding: 13px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
  border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, var(--surface-bg)), var(--surface-bg));
  color: var(--text-white);
  font-size: 14px;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
  transition: transform 0.16s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.profile-link-btn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 25%, transparent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 32%, var(--surface-bg)), var(--surface-bg));
}
.profile-link-btn:active {
  transform: scale(0.98);
}
.performance-setting-row {
  display: grid;
  grid-template-columns: 1fr 34px;
  align-items: start;
  gap: 10px;
}
.performance-setting-head,
.performance-toggle-btn {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  text-align: start;
  min-width: 0;
}
.performance-level-setting {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-bg) 88%, transparent);
}
.performance-setting-head {
  grid-column: 1 / -1;
  color: var(--text-white);
  font-weight: 900;
}
.performance-setting-head i {
  color: var(--accent);
}
.performance-setting-head small {
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  justify-self: end;
}
.performance-slider-card {
  min-width: 0;
  padding: 4px 2px 0;
}
.performance-level-labels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  margin-bottom: 8px;
  color: var(--text-gray);
  font-size: 10px;
  font-weight: 900;
  text-align: center;
  direction: ltr;
}
.performance-level-slider {
  --perf-progress: 33.333%;
  --perf-hover: 33.333%;
  --perf-hover-opacity: 0;
  width: 100%;
  height: 28px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  cursor: pointer;
  direction: ltr;
}
.performance-level-slider::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 42%, transparent) 0 var(--perf-hover), transparent var(--perf-hover) 100%),
    radial-gradient(circle at 0% 50%, var(--surface-bg) 0 5px, transparent 6px),
    radial-gradient(circle at 33.333% 50%, var(--surface-bg) 0 5px, transparent 6px),
    radial-gradient(circle at 66.666% 50%, var(--surface-bg) 0 5px, transparent 6px),
    radial-gradient(circle at 100% 50%, var(--surface-bg) 0 5px, transparent 6px),
    linear-gradient(90deg, var(--accent) 0 var(--perf-progress), color-mix(in srgb, var(--text-gray) 28%, transparent) var(--perf-progress) 100%);
  background-blend-mode: normal;
}
.performance-level-slider:not(.is-hovering):not(.is-dragging)::-webkit-slider-runnable-track {
  background:
    radial-gradient(circle at 0% 50%, var(--surface-bg) 0 5px, transparent 6px),
    radial-gradient(circle at 33.333% 50%, var(--surface-bg) 0 5px, transparent 6px),
    radial-gradient(circle at 66.666% 50%, var(--surface-bg) 0 5px, transparent 6px),
    radial-gradient(circle at 100% 50%, var(--surface-bg) 0 5px, transparent 6px),
    linear-gradient(90deg, var(--accent) 0 var(--perf-progress), color-mix(in srgb, var(--text-gray) 28%, transparent) var(--perf-progress) 100%);
}
.performance-level-slider::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 42%, transparent) 0 var(--perf-hover), transparent var(--perf-hover) 100%),
    color-mix(in srgb, var(--text-gray) 28%, transparent);
}
.performance-level-slider:not(.is-hovering):not(.is-dragging)::-moz-range-track {
  background: color-mix(in srgb, var(--text-gray) 28%, transparent);
}
.performance-level-slider::-moz-range-progress {
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}
.performance-level-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -6px;
  border-radius: 50%;
  border: 2px solid var(--surface-bg);
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.performance-level-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--surface-bg);
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.performance-help-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-gray);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.16s ease;
}
.performance-help-btn:hover {
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}
.keyboard-shortcuts-btn {
  text-align: start;
  background: linear-gradient(135deg, color-mix(in srgb, var(--star) 18%, var(--surface-bg)), var(--surface-bg));
  border-color: color-mix(in srgb, var(--star) 38%, var(--border));
}
.keyboard-shortcuts-btn i {
  color: var(--star);
}
.keyboard-shortcuts-btn small {
  color: var(--star);
  font-size: 11px;
  font-weight: 800;
}
.keyboard-shortcuts-content {
  max-width: 430px;
  text-align: start;
}
.keyboard-shortcuts-icon {
  color: var(--star);
  text-align: center;
}
.keyboard-shortcuts-content h2 {
  text-align: center;
}
.shortcut-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 20px;
}
.shortcut-row {
  display: grid;
  grid-template-columns: minmax(116px, auto) 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-bg);
  color: var(--text-white);
  font-size: 13px;
}
.shortcut-keys {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
  justify-content: flex-start;
  color: var(--text-gray);
  direction: ltr;
}
.shortcut-keys kbd {
  min-width: 28px;
  padding: 5px 7px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--star) 36%, var(--border));
  background: color-mix(in srgb, var(--card-bg) 72%, var(--surface-bg));
  color: var(--star);
  font-family: inherit;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.22);
}

@media (max-width: 420px) {
  .shortcut-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* Smart performance levels */
body.perf-balanced,
body.perf-stable,
body.perf-turbo,
body.low-end-device {
  --legend-glass-bg: var(--card-bg);
  --legend-glass-border: var(--border);
  --legend-glass-blur: none;
}
body.perf-balanced { --legend-glass-shadow: 0 4px 14px rgba(0, 0, 0, 0.22); }
body.perf-stable,
body.perf-turbo,
body.low-end-device { --legend-glass-shadow: none; }

body.perf-balanced *,
body.perf-balanced *::before,
body.perf-balanced *::after,
body.perf-stable *,
body.perf-stable *::before,
body.perf-stable *::after,
body.low-end-device *,
body.low-end-device *::before,
body.low-end-device *::after {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
body.perf-balanced *,
body.perf-balanced *::before,
body.perf-balanced *::after {
  animation-duration: 0.5s !important;
  transition-duration: 0.1s !important;
}
body.perf-stable *,
body.perf-stable *::before,
body.perf-stable *::after {
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.12s !important;
  scroll-behavior: auto !important;
}
body.perf-turbo *,
body.perf-turbo *::before,
body.perf-turbo *::after,
body.low-end-device *,
body.low-end-device *::before,
body.low-end-device *::after {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
  scroll-behavior: auto !important;
}

/* Keep essential loading/onboarding motion in turbo — global * rule disables them otherwise */
body.perf-turbo .smart-loading-overlay .smart-loading-spinner,
body.perf-stable .smart-loading-overlay .smart-loading-spinner,
body.low-end-device .smart-loading-overlay .smart-loading-spinner {
  animation: smartLoadingSpin 0.85s linear infinite !important;
  animation-iteration-count: infinite !important;
}

body.perf-turbo .empty-onboarding-tip.visible,
body.perf-stable .empty-onboarding-tip.visible,
body.low-end-device .empty-onboarding-tip.visible {
  animation: emptyOnboardingFloat 1.85s ease-in-out infinite !important;
  animation-iteration-count: infinite !important;
}

body.perf-balanced .legend-top-bar,
body.perf-balanced .sidebar,
body.perf-balanced .legend-dock,
body.perf-balanced .treasure-dock,
body.perf-balanced .profile-modal-sheet,
body.perf-balanced .notif-popover,
body.perf-balanced .modal-content,
body.perf-balanced .stats-box,
body.perf-balanced .card-box,
body.perf-balanced .word-card,
body.perf-balanced .game-card,
body.perf-balanced .game-search-bar,
body.perf-balanced .game-search-inner,
body.perf-balanced .game-gamer-ai-wrap,
body.perf-balanced .gamer-ai-result,
body.perf-balanced .treasure-card,
body.perf-balanced .treasure-stage,
body.perf-balanced .quiz-card,
body.perf-balanced .world-card,
body.perf-balanced .backup-zone,
body.perf-balanced .onboarding-box,
body.perf-balanced .onboarding-tooltip,
body.perf-stable .legend-top-bar,
body.perf-stable .sidebar,
body.perf-stable .legend-dock,
body.perf-stable .treasure-dock,
body.perf-stable .profile-modal-sheet,
body.perf-stable .notif-popover,
body.perf-stable .modal-content,
body.perf-stable .stats-box,
body.perf-stable .card-box,
body.perf-stable .word-card,
body.perf-stable .game-card,
body.perf-stable .game-search-bar,
body.perf-stable .game-search-inner,
body.perf-stable .game-gamer-ai-wrap,
body.perf-stable .gamer-ai-result,
body.perf-stable .treasure-card,
body.perf-stable .treasure-stage,
body.perf-stable .quiz-card,
body.perf-stable .world-card,
body.perf-stable .backup-zone,
body.perf-stable .onboarding-box,
body.perf-stable .onboarding-tooltip,
body.perf-turbo .legend-top-bar,
body.perf-turbo .sidebar,
body.perf-turbo .legend-dock,
body.perf-turbo .treasure-dock,
body.perf-turbo .profile-modal-sheet,
body.perf-turbo .notif-popover,
body.perf-turbo .modal-content,
body.perf-turbo .stats-box,
body.perf-turbo .card-box,
body.perf-turbo .word-card,
body.perf-turbo .game-card,
body.perf-turbo .game-search-bar,
body.perf-turbo .game-search-inner,
body.perf-turbo .game-gamer-ai-wrap,
body.perf-turbo .gamer-ai-result,
body.perf-turbo .treasure-card,
body.perf-turbo .treasure-stage,
body.perf-turbo .quiz-card,
body.perf-turbo .world-card,
body.perf-turbo .backup-zone,
body.perf-turbo .onboarding-box,
body.perf-turbo .onboarding-tooltip,
body.low-end-device .legend-top-bar,
body.low-end-device .sidebar,
body.low-end-device .legend-dock,
body.low-end-device .treasure-dock,
body.low-end-device .profile-modal-sheet,
body.low-end-device .notif-popover,
body.low-end-device .modal-content,
body.low-end-device .stats-box,
body.low-end-device .card-box,
body.low-end-device .word-card,
body.low-end-device .game-card,
body.low-end-device .game-search-bar,
body.low-end-device .game-search-inner,
body.low-end-device .game-gamer-ai-wrap,
body.low-end-device .gamer-ai-result,
body.low-end-device .treasure-card,
body.low-end-device .treasure-stage,
body.low-end-device .quiz-card,
body.low-end-device .world-card,
body.low-end-device .backup-zone,
body.low-end-device .onboarding-box,
body.low-end-device .onboarding-tooltip {
  background: var(--card-bg) !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22) !important;
}
body.perf-stable .legend-top-bar,
body.perf-stable .sidebar,
body.perf-stable .legend-dock,
body.perf-stable .treasure-dock,
body.perf-stable .profile-modal-sheet,
body.perf-stable .notif-popover,
body.perf-stable .modal-content,
body.perf-stable .stats-box,
body.perf-stable .card-box,
body.perf-stable .word-card,
body.perf-stable .game-card,
body.perf-stable .game-search-bar,
body.perf-stable .game-search-inner,
body.perf-stable .game-gamer-ai-wrap,
body.perf-stable .gamer-ai-result,
body.perf-stable .treasure-card,
body.perf-stable .treasure-stage,
body.perf-stable .quiz-card,
body.perf-stable .world-card,
body.perf-stable .backup-zone,
body.perf-stable .onboarding-box,
body.perf-stable .onboarding-tooltip,
body.perf-turbo .legend-top-bar,
body.perf-turbo .sidebar,
body.perf-turbo .legend-dock,
body.perf-turbo .treasure-dock,
body.perf-turbo .profile-modal-sheet,
body.perf-turbo .notif-popover,
body.perf-turbo .modal-content,
body.perf-turbo .stats-box,
body.perf-turbo .card-box,
body.perf-turbo .word-card,
body.perf-turbo .game-card,
body.perf-turbo .game-search-bar,
body.perf-turbo .game-search-inner,
body.perf-turbo .game-gamer-ai-wrap,
body.perf-turbo .gamer-ai-result,
body.perf-turbo .treasure-card,
body.perf-turbo .treasure-stage,
body.perf-turbo .quiz-card,
body.perf-turbo .world-card,
body.perf-turbo .backup-zone,
body.perf-turbo .onboarding-box,
body.perf-turbo .onboarding-tooltip {
  box-shadow: none !important;
}
body.perf-balanced .profile-modal-backdrop,
body.perf-balanced .custom-modal,
body.perf-balanced .stats-overlay,
body.perf-balanced .overlay,
body.perf-balanced .onboarding-backdrop,
body.perf-stable .profile-modal-backdrop,
body.perf-stable .custom-modal,
body.perf-stable .stats-overlay,
body.perf-stable .overlay,
body.perf-stable .onboarding-backdrop,
body.perf-turbo .profile-modal-backdrop,
body.perf-turbo .custom-modal,
body.perf-turbo .stats-overlay,
body.perf-turbo .overlay,
body.perf-turbo .onboarding-backdrop,
body.low-end-device .profile-modal-backdrop,
body.low-end-device .custom-modal,
body.low-end-device .stats-overlay,
body.low-end-device .overlay,
body.low-end-device .onboarding-backdrop {
  background: rgba(0, 0, 0, 0.62) !important;
}
body.perf-stable .treasure-chest-main,
body.perf-stable .daily-quest-item,
body.perf-stable .profile-stat-chip,
body.perf-stable .theme-option,
body.perf-stable .stat-card,
body.perf-stable .xp-panel,
body.perf-stable .notif-item,
body.perf-turbo .treasure-chest-main,
body.perf-turbo .daily-quest-item,
body.perf-turbo .profile-stat-chip,
body.perf-turbo .theme-option,
body.perf-turbo .stat-card,
body.perf-turbo .xp-panel,
body.perf-turbo .notif-item,
body.low-end-device .treasure-chest-main,
body.low-end-device .daily-quest-item,
body.low-end-device .profile-stat-chip,
body.low-end-device .theme-option,
body.low-end-device .stat-card,
body.low-end-device .xp-panel,
body.low-end-device .notif-item {
  box-shadow: none !important;
}
body.perf-stable .treasure-chest-main.is-charging .chest-lid,
body.perf-stable .treasure-chest-main.is-charging .chest-body,
body.perf-stable .chest-glow,
body.perf-stable .notif-bell-ring,
body.perf-stable .search-lock-overlay i,
body.perf-stable .xp-badge,
body.perf-stable .confetti,
body.perf-turbo .treasure-chest-main.is-charging .chest-lid,
body.perf-turbo .treasure-chest-main.is-charging .chest-body,
body.perf-turbo .chest-glow,
body.perf-turbo .notif-bell-ring,
body.perf-turbo .search-lock-overlay i,
body.perf-turbo .xp-badge,
body.perf-turbo .confetti,
body.low-end-device .treasure-chest-main.is-charging .chest-lid,
body.low-end-device .treasure-chest-main.is-charging .chest-body,
body.low-end-device .chest-glow,
body.low-end-device .notif-bell-ring,
body.low-end-device .search-lock-overlay i,
body.low-end-device .xp-badge,
body.low-end-device .confetti {
  animation: none !important;
  filter: none !important;
}
body.perf-stable.game-bg-active::before,
body.perf-turbo.game-bg-active::before,
body.low-end-device.game-bg-active::before {
  background-image: none !important;
  background: var(--main-bg) !important;
  filter: none !important;
  opacity: 0 !important;
}
body.perf-stable.game-bg-active .game-card,
body.perf-stable.game-bg-active .game-search-bar,
body.perf-stable.game-bg-active .game-search-inner,
body.perf-turbo.game-bg-active .game-card,
body.perf-turbo.game-bg-active .game-search-bar,
body.perf-turbo.game-bg-active .game-search-inner,
body.low-end-device.game-bg-active .game-card,
body.low-end-device.game-bg-active .game-search-bar,
body.low-end-device.game-bg-active .game-search-inner {
  background: var(--card-bg) !important;
  box-shadow: none !important;
  border-color: var(--border) !important;
}
body.perf-stable .game-icon,
body.perf-stable .game-card img,
body.perf-turbo .game-icon,
body.perf-turbo .game-card img,
body.low-end-device .game-icon,
body.low-end-device .game-card img {
  filter: none !important;
  box-shadow: none !important;
}
.profile-theme-selector.theme-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}
.profile-theme-selector .theme-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--surface-bg);
}
.profile-theme-selector .theme-option.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.profile-theme-selector .theme-option.theme-coming-soon.active {
  border-color: var(--border);
  box-shadow: none;
}
.profile-theme-selector .theme-display-name {
  font-size: 12px;
}

/* ترحيب أول زيارة */
.welcome-modal.show {
  opacity: 1;
}
.welcome-modal-content {
  max-width: 420px;
  text-align: center;
}
.welcome-modal-icon {
  color: var(--star);
}
.welcome-modal-lead {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-white);
  margin: 0 0 10px;
}
.welcome-modal-sub {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-gray);
  margin: 0 0 18px;
}

/* ميزات قريباً (شرح تفاعلي، إلخ) */
.feature-coming-soon,
.profile-settings-btn.feature-coming-soon {
  filter: grayscale(1);
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: auto;
  transition: filter 0.35s ease, opacity 0.35s ease;
}
.feature-coming-soon:hover,
.profile-settings-btn.feature-coming-soon:hover {
  transform: none;
  background: var(--surface-bg);
}
.feature-soon-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-gray);
  opacity: 0.95;
  margin-inline-start: 4px;
}

/* Daily quests sheet */
.daily-quests-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10080;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s, visibility 0.28s;
}
.daily-quests-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.daily-quests-sheet {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 10090;
  width: min(480px, 100vw);
  max-height: min(70vh, 520px);
  transform: translateX(-50%) translateY(110%);
  padding: 10px 18px 24px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  border-radius: 22px 22px 0 0;
  border: 1px solid var(--border);
  border-bottom: 0;
  background: color-mix(in srgb, var(--card-bg) 82%, transparent);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow: 0 -20px 50px rgba(0, 0, 0, 0.38);
  transition: transform 0.34s cubic-bezier(0.25, 0.8, 0.25, 1);
  overflow-y: auto;
}
.daily-quests-sheet.open {
  transform: translateX(-50%) translateY(0);
}
.daily-quests-sheet-handle {
  width: 42px;
  height: 5px;
  border-radius: 999px;
  background: var(--border);
  margin: 4px auto 12px;
}
.daily-quests-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.daily-quests-head h3 {
  margin: 0;
  font-size: 16px;
  color: var(--text-white);
}
.daily-quests-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  color: var(--text-gray);
  cursor: pointer;
}
.daily-quests-hint {
  font-size: 12px;
  color: var(--text-gray);
  margin: 0 0 12px;
}
.daily-quests-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.daily-quest-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-bg);
  font-size: 13px;
}
.daily-quest-item.done {
  opacity: 0.72;
  border-color: color-mix(in srgb, var(--success) 40%, var(--border));
}
.daily-quest-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 11px;
  color: transparent;
}
.daily-quest-item.done .daily-quest-check {
  background: var(--success);
  border-color: var(--success);
  color: var(--text-on-accent);
}
.daily-quest-text { flex: 1; color: var(--text-white); }
.daily-quest-reward {
  font-size: 11px;
  font-weight: 800;
  color: var(--star);
  white-space: nowrap;
}

/* Worlds hub */
.worlds-view {
  padding: 4px 0 20px;
}
.worlds-hero {
  margin-bottom: 18px;
  text-align: center;
}
.worlds-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent2);
  letter-spacing: 0.04em;
}
.worlds-hero h2 {
  margin: 8px 0 6px;
  font-size: 24px;
  color: var(--text-white);
}
.worlds-hero p {
  margin: 0;
  color: var(--text-gray);
  font-size: 14px;
}
.worlds-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 520px) {
  .worlds-grid { grid-template-columns: repeat(2, 1fr); }
}
.world-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 20px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, color-mix(in srgb, var(--card-bg) 90%, transparent), var(--surface-bg));
  cursor: pointer;
  text-align: right;
  color: var(--text-white);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s, opacity 0.25s ease, filter 0.25s ease;
  min-height: 140px;
}
.world-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}
.world-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: var(--accent-soft);
  color: var(--star);
}
.world-card-minecraft .world-card-icon { color: #4ade80; }
.world-card-pubg .world-card-icon { color: #f87171; }
.world-card-starred .world-card-icon { color: var(--star); }
.world-card strong { font-size: 18px; }
.world-card-desc { font-size: 13px; color: var(--text-gray); }
.world-card-icon-wrap {
  position: relative;
  display: inline-grid;
  place-items: center;
}
.world-card-lock-overlay {
  display: none;
  position: absolute;
  inset: -4px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-bg) 55%, transparent);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  align-items: center;
  justify-content: center;
  z-index: 2;
  pointer-events: none;
}
.world-card-lock-overlay i {
  font-size: 22px;
  color: var(--accent2);
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
}
.world-card.locked {
  opacity: 0.58;
  filter: grayscale(0.35);
  cursor: pointer;
}
.world-card.locked:hover {
  opacity: 0.72;
  transform: none;
  box-shadow: none;
}
.world-card.locked .world-card-lock-overlay {
  display: flex;
}
.world-card.locked .world-card-icon {
  filter: grayscale(0.6) blur(0.4px);
  opacity: 0.75;
}

/* قفل زر الاختبار في الشريط السفلي */
.dock-btn-icon-wrap {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
}
.dock-lock-overlay {
  display: none;
  position: absolute;
  inset: 2px 4px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-bg) 50%, transparent);
  align-items: center;
  justify-content: center;
  z-index: 3;
  pointer-events: none;
}
.dock-lock-overlay i {
  font-size: 18px;
  color: var(--accent2);
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.5));
}
.treasure-dock-btn.dock-feature-locked {
  opacity: 0.55;
  filter: grayscale(0.4);
  cursor: pointer;
}
.treasure-dock-btn.dock-feature-locked i.fa-gamepad {
  filter: grayscale(0.7) blur(0.5px);
  opacity: 0.65;
}
.treasure-dock-btn.dock-feature-locked .dock-lock-overlay {
  display: flex;
}

.legend-dock-btn.pulse-onboarding-highlight {
  animation: pulseOnboardingHighlight 1.15s ease-in-out 3;
  z-index: 4;
  border-radius: 14px;
}

@keyframes pulseOnboardingHighlight {
  0%, 100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 14px color-mix(in srgb, var(--accent) 0%, transparent);
    transform: scale(1.07);
  }
}

.empty-onboarding-tip {
  position: fixed;
  z-index: 100006;
  max-width: min(300px, calc(100vw - 24px));
  padding: 14px 16px;
  background: var(--card-bg);
  border: 2px solid var(--accent);
  border-radius: 16px;
  color: var(--text-white);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.38);
  font-size: 14px;
  line-height: 1.65;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.empty-onboarding-tip.visible {
  opacity: 1;
  animation: emptyOnboardingFloat 1.85s ease-in-out infinite;
}

.empty-onboarding-tip.fade-out {
  opacity: 0;
  animation: none;
}

.empty-onboarding-tip-inner {
  display: block;
}

.empty-onboarding-tip.placement-above::after,
.empty-onboarding-tip.placement-below::after,
.empty-onboarding-tip.placement-below-bar::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--card-bg);
  border: 2px solid var(--accent);
  transform: rotate(45deg);
  pointer-events: none;
}

.empty-onboarding-tip.placement-above::after {
  bottom: -7px;
  left: 50%;
  margin-left: -6px;
  border-top: none;
  border-left: none;
}

.empty-onboarding-tip.placement-below::after {
  top: -7px;
  left: 50%;
  margin-left: -6px;
  border-bottom: none;
  border-right: none;
}

.empty-onboarding-tip.placement-below-bar::after {
  top: -7px;
  left: var(--tip-arrow-left, 50%);
  margin-left: -6px;
  border-bottom: none;
  border-right: none;
}

@keyframes emptyOnboardingFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (prefers-reduced-motion: reduce) {
  .legend-dock-btn.pulse-onboarding-highlight,
  .empty-onboarding-tip.visible {
    animation: none;
  }
}

/* Legend dock — 4 tabs */
.legend-dock.treasure-dock {
  gap: 4px;
  padding: 8px;
  width: auto;
}

body.legend-dock-visible .main-content,
body.treasure-dock-visible .main-content {
  padding-bottom: 106px !important;
}

.view-edge-arrow { display: none !important; }

body.profile-modal-open .legend-dock,
body.profile-modal-open .legend-top-bar .legend-top-widgets {
  pointer-events: none;
}
body.profile-modal-open .hero-avatar-btn {
  pointer-events: auto;
}

body.onboarding-active .legend-top-bar,
body.onboarding-active .legend-dock {
  pointer-events: none;
}
body.onboarding-active .onboarding-active-target {
  opacity: 1 !important;
}

/* على اللمس: النيمتاج يظهر بالضغط المطوّل فقط */
@media (pointer: coarse) {
  body.legend-dock-visible .main-content,
  body.treasure-dock-visible .main-content {
    touch-action: pan-y;
  }

  [data-tip]::after,
  .btn-icon-tip::after,
  .star-btn[data-tip]::after,
  .icon-circle[data-tip]::after {
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
    pointer-events: none !important;
  }
  [data-tip].tip-show::after,
  .btn-icon-tip.tip-show::after,
  .star-btn.tip-show[data-tip]::after,
  .icon-circle.tip-show[data-tip]::after {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    transform: translateX(-50%) scale(1) !important;
    z-index: 9999 !important;
  }
}

.xp-badge { z-index: 3050; }