/* ============================================================
   BRAINSPARK — Design System
   Modern quiz platform · light + dark · token driven
   ============================================================ */

/* ------------------------------------------------------------
   Design tokens
   ------------------------------------------------------------ */
:root {
  /* Brand */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-soft: #EFF6FF;
  --color-secondary: #7C3AED;
  --color-secondary-soft: #F5F3FF;
  --color-accent: #06B6D4;
  --color-accent-soft: #ECFEFF;

  /* Semantic */
  --color-success: #16A34A;
  --color-success-soft: #F0FDF4;
  --color-warning: #F59E0B;
  --color-warning-soft: #FFFBEB;
  --color-danger: #DC2626;
  --color-danger-soft: #FEF2F2;

  /* Surfaces */
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-2: #F1F5F9;
  --color-surface-3: #E9EEF5;

  /* Text */
  --color-text: #0F172A;
  --color-text-2: #64748B;
  --color-text-3: #94A3B8;
  --color-on-primary: #FFFFFF;

  /* Lines */
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;

  /* Brand gradient (used sparingly) */
  --gradient-brand: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --gradient-accent: linear-gradient(135deg, #06B6D4 0%, #2563EB 100%);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;

  /* Spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* Radius */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 16px -4px rgba(15, 23, 42, 0.12), 0 2px 6px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.22), 0 6px 14px -6px rgba(15, 23, 42, 0.10);
  --shadow-brand: 0 10px 24px -8px rgba(37, 99, 235, 0.45);

  /* Motion */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container: 1200px;
  --header-h: 68px;
  --z-header: 100;
  --z-fab: 250;
  --z-modal: 300;
  --z-toast: 400;

  /* Difficulty */
  --diff-easy: #16A34A;
  --diff-medium: #D97706;
  --diff-hard: #DC2626;
  --diff-expert: #7C3AED;
}

[data-theme="dark"] {
  --color-primary: #60A5FA;
  --color-primary-hover: #93C5FD;
  --color-primary-soft: rgba(96, 165, 250, 0.14);
  --color-secondary: #A78BFA;
  --color-secondary-soft: rgba(167, 139, 250, 0.14);
  --color-accent: #22D3EE;
  --color-accent-soft: rgba(34, 211, 238, 0.14);

  --color-success: #4ADE80;
  --color-success-soft: rgba(74, 222, 128, 0.14);
  --color-warning: #FBBF24;
  --color-warning-soft: rgba(251, 191, 36, 0.14);
  --color-danger: #F87171;
  --color-danger-soft: rgba(248, 113, 113, 0.14);

  --color-bg: #0B1220;
  --color-surface: #111A2E;
  --color-surface-2: #16233A;
  --color-surface-3: #1C2B45;

  --color-text: #E2E8F0;
  --color-text-2: #94A3B8;
  --color-text-3: #64748B;
  --color-on-primary: #0B1220;

  --color-border: rgba(148, 163, 184, 0.18);
  --color-border-strong: rgba(148, 163, 184, 0.32);

  --gradient-brand: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.45), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 20px -6px rgba(0, 0, 0, 0.55), 0 2px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.65), 0 8px 18px -6px rgba(0, 0, 0, 0.45);
  --shadow-brand: 0 10px 24px -8px rgba(37, 99, 235, 0.55);

  --diff-easy: #4ADE80;
  --diff-medium: #FBBF24;
  --diff-hard: #F87171;
  --diff-expert: #C4B5FD;
}

/* ------------------------------------------------------------
   Admin + legacy aliases (used by admin panel & profile)
   ------------------------------------------------------------ */
:root,
[data-theme="dark"] {
  --gold: #F5B301;
  --muted: var(--color-text-2);
  --font-number: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --admin-sidebar-w: 240px;
}

/* ------------------------------------------------------------
   Base / reset
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color var(--transition), color var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

p { color: var(--color-text-2); }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-hover); }

img, svg { max-width: 100%; vertical-align: middle; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, select, textarea { font-family: inherit; font-size: inherit; }

ul { list-style: none; padding: 0; }

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-primary) 55%, transparent);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: color-mix(in srgb, var(--color-primary) 25%, transparent); }

/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }
.section { padding-block: var(--sp-12); position: relative; }
.section--tight { padding-block: var(--sp-8); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto var(--sp-10); }
.section-head .eyebrow { margin-bottom: var(--sp-3); }
.section-head h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: var(--sp-2); }
.section-head p { font-size: 1.05rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow svg { width: 14px; height: 14px; }

.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 20px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
              background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}
.btn svg { width: 18px; height: 18px; }
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-on-primary);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -8px color-mix(in srgb, var(--color-primary) 55%, transparent);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-on-primary);
  box-shadow: 0 10px 24px -8px color-mix(in srgb, var(--color-secondary) 55%, transparent);
}
.btn-secondary:hover { filter: brightness(1.08); transform: translateY(-1px); color: var(--color-on-primary); }

.btn-accent { background: var(--color-accent); color: #062A33; }
.btn-accent:hover { filter: brightness(1.06); transform: translateY(-1px); }

.btn-ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

.btn-outline-primary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline-primary:hover { background: var(--color-primary-soft); }

.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { filter: brightness(1.06); color: #fff; transform: translateY(-1px); }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.06); color: #fff; }

.btn-soft { background: var(--color-primary-soft); color: var(--color-primary); }
.btn-soft:hover { background: color-mix(in srgb, var(--color-primary-soft) 80%, var(--color-primary) 20%); }

.btn-block { width: 100%; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; border-radius: var(--radius); }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn:disabled, .btn.disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.btn-group { display: inline-flex; gap: var(--sp-2); flex-wrap: wrap; }

/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
}
.card-pad { padding: var(--sp-6); }

/* ------------------------------------------------------------
   Badges & chips
   ------------------------------------------------------------ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  background: var(--color-surface-2);
  color: var(--color-text-2);
  border: 1px solid var(--color-border);
}
.badge svg { width: 13px; height: 13px; }
.badge-primary { background: var(--color-primary-soft); color: var(--color-primary); border-color: transparent; }
.badge-success { background: var(--color-success-soft); color: var(--color-success); border-color: transparent; }
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning); border-color: transparent; }
.badge-danger { background: var(--color-danger-soft); color: var(--color-danger); border-color: transparent; }
.badge-secondary { background: var(--color-secondary-soft); color: var(--color-secondary); border-color: transparent; }
.badge-accent { background: var(--color-accent-soft); color: var(--color-accent); border-color: transparent; }

/* ------------------------------------------------------------
   Difficulty indicator (icon + label + segments, not color-only)
   ------------------------------------------------------------ */
.difficulty {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.diff-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: capitalize;
  color: var(--color-text-2);
}
.diff-segments { display: inline-flex; gap: 3px; }
.diff-segments i {
  width: 5px; height: 12px;
  border-radius: 2px;
  background: var(--color-surface-3);
}
.diff-segments i.on { background: var(--diff-easy); }
.difficulty[data-level="easy"] .diff-segments i:nth-child(-n+1) { background: var(--diff-easy); }
.difficulty[data-level="medium"] .diff-segments i:nth-child(-n+2) { background: var(--diff-medium); }
.difficulty[data-level="hard"] .diff-segments i:nth-child(-n+3) { background: var(--diff-hard); }
.difficulty[data-level="expert"] .diff-segments i { background: var(--diff-expert); }
.difficulty[data-level="mixed"] .diff-segments i { background: var(--color-accent); }

/* ------------------------------------------------------------
   Header / navigation
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--color-text); font-family: var(--font-display); }
.brand:hover { color: var(--color-text); }
.brand svg { filter: drop-shadow(0 4px 10px rgba(37,99,235,0.35)); }

.nav-desktop { display: flex; align-items: center; gap: 4px; }
.nav-desktop a {
  padding: 8px 14px;
  border-radius: var(--radius);
  color: var(--color-text-2);
  font-weight: 500;
  font-size: 0.92rem;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.nav-desktop a:hover { color: var(--color-text); background: var(--color-surface-2); }
.nav-desktop a.active { color: var(--color-primary); background: var(--color-primary-soft); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: var(--sp-2); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  color: var(--color-text-2);
  background: transparent;
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.icon-btn:hover { background: var(--color-surface-2); color: var(--color-text); }
.icon-btn svg { width: 20px; height: 20px; }

.search-trigger { display: inline-flex; }

.nav-user {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.nav-user:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); color: var(--color-text); }

.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  flex: none;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }

.nav-burger { display: none; }

.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-bg);
  padding: var(--sp-6);
  flex-direction: column;
  gap: var(--sp-2);
  z-index: calc(var(--z-header) - 1);
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-mobile a svg { width: 20px; height: 20px; color: var(--color-text-2); }
.nav-mobile a:hover { background: var(--color-surface-2); }
.nav-mobile a.active { background: var(--color-primary-soft); color: var(--color-primary); }
.nav-mobile a.active svg { color: var(--color-primary); }
.nav-mobile .nav-mobile-actions { display: flex; gap: var(--sp-2); margin-top: var(--sp-4); }

/* ------------------------------------------------------------
   Search overlay
   ------------------------------------------------------------ */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: color-mix(in srgb, var(--color-bg) 70%, transparent);
  backdrop-filter: blur(6px);
  display: none;
}
.search-overlay.open { display: block; }
.search-panel {
  position: fixed;
  top: var(--sp-6);
  left: 50%;
  transform: translateX(-50%);
  width: min(680px, calc(100% - 32px));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: calc(var(--z-modal) + 1);
  display: none;
  overflow: hidden;
}
.search-panel.open { display: block; animation: searchIn 200ms cubic-bezier(0.4,0,0.2,1); }
@keyframes searchIn { from { opacity: 0; transform: translateX(-50%) translateY(-8px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

.search-input-wrap { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--color-border); }
.search-input-wrap svg { width: 20px; height: 20px; color: var(--color-text-3); flex: none; }
.search-input-wrap input {
  flex: 1;
  border: none;
  outline: none;
  background: none;
  font-size: 1.05rem;
  color: var(--color-text);
}
.search-results { max-height: 60vh; overflow-y: auto; padding: var(--sp-3); display: flex; flex-direction: column; gap: 2px; }
.search-results .search-empty { padding: var(--sp-8); text-align: center; color: var(--color-text-2); font-size: 0.95rem; }
.search-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--color-text);
}
.search-item:hover { background: var(--color-surface-2); }
.search-item .si-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.search-item .si-icon svg { width: 18px; height: 18px; }
.search-item .si-title { font-weight: 600; font-size: 0.95rem; }
.search-item .si-sub { font-size: 0.8rem; color: var(--color-text-3); }
.search-popular { display: flex; flex-wrap: wrap; gap: var(--sp-2); padding: var(--sp-4) var(--sp-5); border-top: 1px solid var(--color-border); }
.search-popular span { font-size: 0.78rem; color: var(--color-text-3); margin-right: 2px; }

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0 var(--sp-12);
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 55% at 78% 18%, color-mix(in srgb, var(--color-secondary) 18%, transparent), transparent 70%),
    radial-gradient(50% 45% at 18% 30%, color-mix(in srgb, var(--color-primary) 16%, transparent), transparent 70%),
    radial-gradient(40% 40% at 50% 100%, color-mix(in srgb, var(--color-accent) 12%, transparent), transparent 70%);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-8);
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 3.9rem);
  line-height: 1.08;
  margin: var(--sp-4) 0;
  letter-spacing: -0.025em;
}
.hero h1 .grad {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--color-text-2); max-width: 540px; margin-bottom: var(--sp-6); }
.hero-cta { display: flex; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-8); }

.hero-stats {
  display: flex;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.hero-stat .num { font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; color: var(--color-text); letter-spacing: -0.02em; }
.hero-stat .label { font-size: 0.8rem; color: var(--color-text-3); }

/* 3D hero visual (CSS scene, reduced-motion safe) */
.hero-scene {
  perspective: 1200px;
  height: clamp(320px, 34vw, 480px);
  position: relative;
}
.scene-stage {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  display: grid;
  place-items: center;
}
.core-orb {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 0 18px color-mix(in srgb, var(--color-primary) 12%, transparent),
              0 0 0 36px color-mix(in srgb, var(--color-primary) 7%, transparent),
              var(--shadow-brand);
  display: grid;
  place-items: center;
  color: #fff;
  animation: orbFloat 6s ease-in-out infinite;
}
.core-orb svg { width: 52px; height: 52px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3)); }
@keyframes orbFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.scene-card {
  position: absolute;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-4) var(--sp-5);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.scene-card svg { width: 20px; height: 20px; color: var(--color-primary); flex: none; }
.scene-card small { display: block; font-weight: 500; color: var(--color-text-3); font-size: 0.75rem; }

.sc1 { top: 4%; left: 2%; transform: rotateZ(-6deg) translateZ(40px); animation: scFloat 7s ease-in-out infinite; }
.sc2 { top: 26%; right: 0; transform: rotateZ(5deg) translateZ(70px); animation: scFloat 8s ease-in-out 0.8s infinite; }
.sc3 { bottom: 22%; left: 0; transform: rotateZ(3deg) translateZ(30px); animation: scFloat 7.5s ease-in-out 1.4s infinite; }
.sc4 { bottom: 2%; right: 6%; transform: rotateZ(-4deg) translateZ(55px); animation: scFloat 9s ease-in-out 0.4s infinite; }
.sc5 { top: 44%; left: 12%; transform: rotateZ(8deg) translateZ(20px); animation: scFloat 8.5s ease-in-out 2s infinite; }
.sc6 { bottom: 40%; right: 16%; transform: rotateZ(-8deg) translateZ(45px); animation: scFloat 7s ease-in-out 1s infinite; }

.scene-dot {
  position: absolute;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-accent) 45%, transparent);
  animation: dotPulse 4s ease-in-out infinite;
}
.dot1 { width: 14px; height: 14px; top: 10%; right: 18%; }
.dot2 { width: 8px; height: 8px; bottom: 14%; left: 22%; animation-delay: 1.2s; }
.dot3 { width: 20px; height: 20px; bottom: 6%; left: 44%; animation-delay: 2s; }
@keyframes dotPulse { 0%,100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.35); opacity: 1; } }

@keyframes scFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ------------------------------------------------------------
   Quick quiz cards
   ------------------------------------------------------------ */
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.quick-card {
  position: relative;
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  overflow: hidden;
}
.quick-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition);
}
.quick-card:hover::before { opacity: 1; }
.quick-card .qc-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-2);
}
.quick-card .qc-icon svg { width: 24px; height: 24px; }
.quick-card h3 { font-size: 1.15rem; }
.quick-card .qc-meta { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin: var(--sp-1) 0 var(--sp-3); }
.quick-card .btn { margin-top: auto; }

/* ------------------------------------------------------------
   Trending quizzes
   ------------------------------------------------------------ */
.trending-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-5); }
.trending-card {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
}
.trending-card .tr-icon {
  flex: 0 0 auto;
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: grid;
  place-items: center;
}
.trending-card .tr-icon svg { width: 26px; height: 26px; }
.trending-card .tr-body { flex: 1 1 auto; min-width: 0; }
.trending-card .tr-top { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-1); }
.trending-card .tr-rank {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-text-2);
}
.trending-card h3 { font-size: 1.05rem; }
.trending-card .tr-attempts { font-weight: 700; color: var(--color-primary); }
.trending-card .btn { flex: 0 0 auto; }
@media (max-width: 860px) {
  .trending-grid { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
   Category cards
   ------------------------------------------------------------ */
.category-card {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  position: relative;
  overflow: hidden;
}
.category-card .cat-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-2);
}
.category-card .cat-icon svg { width: 26px; height: 26px; }
.category-card h3 { font-size: 1.12rem; }
.category-card p { font-size: 0.88rem; line-height: 1.5; }
.cat-meta { display: flex; align-items: center; justify-content: space-between; margin-top: var(--sp-2); }
.cat-progress { margin-top: var(--sp-3); }
.cat-progress .cp-label { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--color-text-3); margin-bottom: 6px; }

.progress-track { height: 8px; border-radius: var(--radius-full); background: var(--color-surface-3); overflow: hidden; }
.progress-fill { height: 100%; border-radius: var(--radius-full); background: var(--gradient-brand); transition: width 0.8s cubic-bezier(0.4,0,0.2,1); }

/* ------------------------------------------------------------
   Quiz cards
   ------------------------------------------------------------ */
.quiz-card { padding: 0; display: flex; flex-direction: column; overflow: hidden; }
.quiz-card .qc-body { padding: var(--sp-5) var(--sp-6) var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-2); flex: 1; }
.quiz-card .qc-tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.quiz-card h3 { font-size: 1.05rem; line-height: 1.4; }
.quiz-card .qc-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: 0.85rem;
  color: var(--color-text-2);
}
.quiz-card .qc-foot .qcf-item { display: inline-flex; align-items: center; gap: 6px; }
.quiz-card .qc-foot svg { width: 15px; height: 15px; }

/* ------------------------------------------------------------
   Difficulty cards
   ------------------------------------------------------------ */
.diff-card {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  align-items: flex-start;
}
.diff-card .diff-card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
}
.diff-card .diff-card-icon svg { width: 22px; height: 22px; }
.diff-card h3 { font-size: 1.15rem; }
.diff-card p { font-size: 0.85rem; line-height: 1.5; color: var(--color-text-2); flex: 1; }
.diff-card .diff-meta {
  font-size: 0.78rem;
  color: var(--color-text-3);
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.diff-card .btn { margin-top: var(--sp-2); }
.diff-card.is-empty { opacity: 0.55; }

/* ------------------------------------------------------------
   Search form
   ------------------------------------------------------------ */
.form-search { position: relative; }
.form-search .search-ico {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--color-text-3);
  pointer-events: none;
}

/* ------------------------------------------------------------
   Period tabs / pills
   ------------------------------------------------------------ */
.period-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: center;
  margin-bottom: var(--sp-8);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-2);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.2s ease;
}
.pill:hover { color: var(--color-text); border-color: var(--color-text-3); }
.pill.active {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

/* ------------------------------------------------------------
   Streak calendar
   ------------------------------------------------------------ */
.streak-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--sp-2);
  margin: var(--sp-4) 0 var(--sp-2);
}
.streak-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--sp-3) var(--sp-1);
  border-radius: var(--radius);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-text-2);
}
.streak-day .d-dot { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 0.7rem; background: var(--color-surface-3); color: var(--color-text-3); }
.streak-day.done { border-color: color-mix(in srgb, var(--color-success) 45%, transparent); }
.streak-day.done .d-dot { background: var(--color-success); color: #fff; }
.streak-day.today { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
.streak-day.today .d-dot { background: var(--color-primary); color: #fff; }


/* ------------------------------------------------------------
   Daily challenge banner
   ------------------------------------------------------------ */
.daily-banner {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--sp-6);
  align-items: center;
  padding: var(--sp-10);
  background: linear-gradient(120deg, var(--color-surface), var(--color-surface-2));
}
.daily-banner::after {
  content: '';
  position: absolute;
  width: 420px; height: 420px;
  right: -120px; top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-secondary) 22%, transparent), transparent 70%);
}
.daily-banner .db-visual {
  position: relative;
  display: grid;
  place-items: center;
}
.db-flame {
  width: 150px; height: 150px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: var(--shadow-brand);
  animation: orbFloat 5s ease-in-out infinite;
}
.db-flame svg { width: 64px; height: 64px; }
.db-streak { display: flex; gap: var(--sp-2); margin-top: var(--sp-4); justify-content: center; }
.db-streak .dbs-day {
  width: 42px; height: 54px;
  border-radius: var(--radius);
  background: var(--color-surface-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.7rem;
  color: var(--color-text-3);
  font-weight: 600;
}
.db-streak .dbs-day.done { background: var(--color-success-soft); color: var(--color-success); }
.db-streak .dbs-day.today { outline: 2px solid var(--color-primary); outline-offset: 2px; color: var(--color-primary); }

/* ------------------------------------------------------------
   How it works
   ------------------------------------------------------------ */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.step-card { padding: var(--sp-8) var(--sp-6); position: relative; }
.step-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-4);
}
.step-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  background: var(--color-surface-2);
  color: var(--color-text);
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-4);
}
.step-icon svg { width: 26px; height: 26px; }
.step-card h3 { font-size: 1.1rem; margin-bottom: var(--sp-2); }
.step-card p { font-size: 0.9rem; }

/* ------------------------------------------------------------
   Leaderboard
   ------------------------------------------------------------ */
.lb-tabs { display: inline-flex; gap: 4px; padding: 4px; background: var(--color-surface-2); border-radius: var(--radius-full); margin-bottom: var(--sp-8); flex-wrap: wrap; }
.lb-tab {
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-text-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lb-tab svg { width: 15px; height: 15px; }
.lb-tab:hover { color: var(--color-text); }
.lb-tab.active { background: var(--color-surface); color: var(--color-primary); box-shadow: var(--shadow-sm); }

.podium { display: flex; align-items: flex-end; justify-content: center; gap: var(--sp-4); margin-bottom: var(--sp-8); }
.podium-card { text-align: center; width: 160px; }
.podium-card .pod-avatar {
  width: 72px; height: 72px;
  margin: 0 auto var(--sp-2);
  border-radius: 50%;
  background: var(--color-surface-2);
  border: 3px solid var(--color-border);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--color-text);
  overflow: hidden;
}
.podium-card .pod-avatar img { width: 100%; height: 100%; object-fit: cover; }
.podium-card.pod-1 .pod-avatar { border-color: var(--color-warning); box-shadow: 0 0 0 6px var(--color-warning-soft); }
.podium-card.pod-2 .pod-avatar { border-color: var(--color-text-3); }
.podium-card.pod-3 .pod-avatar { border-color: var(--diff-medium); }
.podium-card .pod-name { font-weight: 700; font-size: 0.95rem; color: var(--color-text); }
.podium-card .pod-score { font-size: 0.8rem; color: var(--color-text-2); }
.podium-card .pod-pedestal {
  margin-top: var(--sp-2);
  padding: var(--sp-2);
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--color-surface-3);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-text-2);
}
.podium-card.pod-1 .pod-pedestal { background: var(--color-warning-soft); color: var(--color-warning); }
.podium-card.pod-2 .pod-pedestal { background: var(--color-surface-3); }
.podium-card.pod-3 .pod-pedestal { background: color-mix(in srgb, var(--diff-medium) 15%, var(--color-surface-3)); color: var(--diff-medium); }
.podium-card.pod-1 { transform: translateY(-14px); }

.lb-list { display: flex; flex-direction: column; gap: 6px; max-width: 720px; margin-inline: auto; }
.lb-row {
  display: grid;
  grid-template-columns: 56px 44px 1fr auto auto auto;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.lb-row:hover { transform: translateX(4px); border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border)); }
.lb-row.me { background: var(--color-primary-soft); border-color: color-mix(in srgb, var(--color-primary) 45%, transparent); }
.lb-rank { font-family: var(--font-display); font-weight: 800; font-size: 1rem; color: var(--color-text-2); text-align: center; }
.lb-rank.top { color: var(--color-text); }
.lb-avatar2 { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; background: var(--color-surface-3); display: grid; place-items: center; }
.lb-avatar2 img { width: 100%; height: 100%; object-fit: cover; }
.lb-name { font-weight: 600; font-size: 0.95rem; color: var(--color-text); }
.lb-score { font-family: var(--font-display); font-weight: 700; color: var(--color-text); }
.lb-prize-chip {
  font-family: var(--font-number);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold);
  background: rgba(245, 197, 66, 0.12);
  border: 1px solid rgba(245, 197, 66, 0.28);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.lb-prize-chip svg { width: 12px; height: 12px; }
.lb-acc { font-size: 0.8rem; color: var(--color-text-3); min-width: 64px; text-align: right; }

.lb-prizes { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: var(--sp-5) auto var(--sp-8); max-width: 720px; }
.lb-prize {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
}
.lb-prize .lp-rank { font-family: var(--font-display); font-weight: 800; font-size: 0.9rem; }
.lb-prize .lp-coins { display: inline-flex; align-items: center; gap: 4px; color: var(--gold); font-family: var(--font-number); font-weight: 700; }
.lb-prize .lp-coins svg { width: 14px; height: 14px; }
.lb-prize .lp-label { color: var(--color-text-3); font-size: 0.75rem; }
.lb-prize--end { color: var(--color-text-2); }
.lb-prize--end svg { width: 14px; height: 14px; }

/* Skip lifeline confirmation */
.skip-confirm { max-width: 400px; }
.skip-cost-line { color: var(--color-text-2); margin: 0 0 var(--sp-4); font-size: 0.95rem; }
.skip-cost-line b { color: var(--color-primary); }
.skip-balance-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.skip-balance-row > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--sp-3);
  border-radius: var(--radius);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}
.skip-balance-row small { color: var(--color-text-3); font-size: 0.75rem; }
.skip-balance-row b { font-family: var(--font-number); font-weight: 800; font-size: 1.25rem; }

/* ------------------------------------------------------------
   Achievements
   ------------------------------------------------------------ */
.achievements-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.achievement-card {
  padding: var(--sp-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  position: relative;
}
.achievement-card.locked { opacity: 0.55; }
.achievement-card .ach-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-brand);
  margin-bottom: var(--sp-2);
}
.achievement-card.locked .ach-icon { background: var(--color-surface-3); color: var(--color-text-3); box-shadow: none; }
.achievement-card .ach-icon svg { width: 28px; height: 28px; }
.achievement-card h4 { font-size: 1rem; }
.achievement-card p { font-size: 0.82rem; line-height: 1.5; }
.achievement-card .ach-xp { font-size: 0.75rem; font-weight: 700; color: var(--color-primary); }
.achievement-card .ach-state {
  margin-top: auto;
  padding-top: var(--sp-2);
  font-size: 0.78rem;
  font-weight: 700;
}
.achievement-card.unlocked .ach-state { color: var(--color-success); }
.achievement-card.locked .ach-state { color: var(--color-text-3); }
.achievement-card .ach-check {
  position: absolute;
  top: 12px; right: 12px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-success);
  color: #fff;
  display: grid;
  place-items: center;
}
.achievement-card .ach-check svg { width: 13px; height: 13px; }

/* ------------------------------------------------------------
   Stat cards
   ------------------------------------------------------------ */
.stat-card { padding: var(--sp-5); display: flex; align-items: center; gap: var(--sp-4); }
.stat-card .st-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  flex: none;
}
.stat-card .st-icon svg { width: 22px; height: 22px; }
.stat-card .st-num { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--color-text); line-height: 1.1; }
.stat-card .st-label { font-size: 0.82rem; color: var(--color-text-2); }

/* ------------------------------------------------------------
   CTA band
   ------------------------------------------------------------ */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  padding: var(--sp-10);
  text-align: center;
  color: #fff;
}
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 4vw, 2.3rem); margin-bottom: var(--sp-3); }
.cta-band p { color: rgba(255,255,255,0.85); margin-bottom: var(--sp-6); }
.cta-band .btn-white { background: #fff; color: var(--color-primary); }
.cta-band .btn-white:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -8px rgba(0,0,0,0.3); }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--sp-16);
  padding: var(--sp-12) 0 var(--sp-8);
  background: color-mix(in srgb, var(--color-surface-2) 50%, var(--color-bg));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-8);
}
.footer-brand p { font-size: 0.9rem; margin-top: var(--sp-3); max-width: 300px; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text); margin-bottom: var(--sp-4); }
.footer-col a {
  display: block;
  padding: 5px 0;
  color: var(--color-text-2);
  font-size: 0.92rem;
}
.footer-col a:hover { color: var(--color-primary); }
.footer-social { display: flex; gap: var(--sp-2); margin-top: var(--sp-4); }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: var(--radius);
  background: var(--color-surface-2);
  color: var(--color-text-2);
  display: grid;
  place-items: center;
}
.footer-social a:hover { color: var(--color-primary); background: var(--color-surface); }
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-text-3);
}

/* ------------------------------------------------------------
   Auth pages
   ------------------------------------------------------------ */
.auth-wrap { display: grid; place-items: center; padding: var(--sp-10) var(--sp-4) var(--sp-16); }
.auth-page { display: grid; place-items: center; padding: var(--sp-10) var(--sp-4) var(--sp-16); }
.auth-page .container { width: 100%; max-width: 440px; }
.auth-card {
  width: 100%;
  max-width: 440px;
  padding: var(--sp-8);
  text-align: left;
}
.auth-card h2 { font-size: 1.6rem; margin-bottom: var(--sp-1); }
.auth-card .sub { margin-bottom: var(--sp-6); font-size: 0.95rem; }
.auth-alt { text-align: center; margin-top: var(--sp-5); font-size: 0.92rem; color: var(--color-text-2); }

/* ------------------------------------------------------------
   Forms
   ------------------------------------------------------------ */
.form-group { margin-bottom: var(--sp-4); }
.form-group label { display: block; font-weight: 600; font-size: 0.88rem; margin-bottom: 6px; color: var(--color-text); }
.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent);
}
.form-control::placeholder { color: var(--color-text-3); }
select.form-control { appearance: auto; }

/* ------------------------------------------------------------
   Alerts / toasts
   ------------------------------------------------------------ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  margin-bottom: var(--sp-4);
  background: var(--color-surface);
  color: var(--color-text);
}
.alert svg { width: 18px; height: 18px; flex: none; margin-top: 2px; }
.alert-success { background: var(--color-success-soft); border-color: color-mix(in srgb, var(--color-success) 35%, transparent); color: var(--color-success); }
.alert-error, .alert-danger { background: var(--color-danger-soft); border-color: color-mix(in srgb, var(--color-danger) 35%, transparent); color: var(--color-danger); }
.alert-info { background: var(--color-primary-soft); border-color: color-mix(in srgb, var(--color-primary) 35%, transparent); color: var(--color-primary); }
.alert-warning { background: var(--color-warning-soft); border-color: color-mix(in srgb, var(--color-warning) 35%, transparent); color: var(--color-warning); }

.toast-stack {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  max-width: 360px;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 16px;
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  animation: toastIn 220ms cubic-bezier(0.4,0,0.2,1);
}
.toast svg { width: 18px; height: 18px; flex: none; margin-top: 1px; }
.toast.success svg { color: var(--color-success); }
.toast.error svg { color: var(--color-danger); }
.toast.info svg { color: var(--color-primary); }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ------------------------------------------------------------
   Quiz screen
   ------------------------------------------------------------ */
.quiz-page { padding-bottom: var(--sp-16); }

.quiz-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}
.quiz-top .qt-title { display: flex; align-items: center; gap: var(--sp-2); font-weight: 700; font-size: 0.95rem; color: var(--color-text); }
.quiz-top .qt-title svg { width: 18px; height: 18px; color: var(--color-primary); }
.quiz-progress { flex: 1; min-width: 200px; }
.quiz-progress .qp-label { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--color-text-2); margin-bottom: 6px; font-weight: 600; }

.quiz-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border-strong);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}
.quiz-timer svg { width: 18px; height: 18px; color: var(--color-text-2); }
.quiz-timer.warning { border-color: var(--color-warning); color: var(--color-warning); }
.quiz-timer.danger { border-color: var(--color-danger); color: var(--color-danger); animation: timerPulse 1s ease-in-out infinite; }
@keyframes timerPulse { 50% { background: var(--color-danger-soft); } }

.quiz-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--sp-6);
  align-items: start;
}

.question-card {
  padding: var(--sp-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.q-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-4); flex-wrap: wrap; gap: var(--sp-2); }
.q-number { font-family: var(--font-display); font-weight: 800; font-size: 1rem; color: var(--color-primary); }
.q-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text);
  margin-bottom: var(--sp-6);
  min-height: 1.6em;
}

.answer-grid { display: flex; flex-direction: column; gap: var(--sp-3); }
.answer-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 2px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  transition: transform var(--transition-fast), border-color var(--transition-fast),
              background-color var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}
.answer-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  transform: translateX(4px);
}
.answer-btn:disabled { cursor: not-allowed; }
.answer-btn .ab-letter {
  flex: none;
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--color-text-2);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.answer-btn:hover .ab-letter { background: var(--color-primary); color: #fff; }
.answer-btn.selected { border-color: var(--color-primary); background: var(--color-primary-soft); }
.answer-btn.selected .ab-letter { background: var(--color-primary); color: #fff; }
.answer-btn.correct {
  border-color: var(--color-success);
  background: var(--color-success-soft);
  animation: popIn 400ms cubic-bezier(0.34,1.56,0.64,1);
}
.answer-btn.correct .ab-letter { background: var(--color-success); color: #fff; }
.answer-btn.wrong {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
  animation: shake 380ms ease;
}
.answer-btn.wrong .ab-letter { background: var(--color-danger); color: #fff; }
.answer-btn.removed { opacity: 0.35; border-style: dashed; }
.answer-btn .ab-state { margin-left: auto; }
.answer-btn .ab-state svg { width: 22px; height: 22px; }
.answer-btn.correct .ab-state svg { color: var(--color-success); }
.answer-btn.wrong .ab-state svg { color: var(--color-danger); }
@keyframes popIn { 0% { transform: scale(0.97); } 60% { transform: scale(1.015); } 100% { transform: scale(1); } }
@keyframes shake { 0%,100% { transform: translateX(0); } 20% { transform: translateX(-7px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(3px); } }

.explanation-box {
  margin-top: var(--sp-5);
  padding: var(--sp-5);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
  background: var(--color-surface-2);
  animation: fadeSlide 350ms cubic-bezier(0.4,0,0.2,1);
}
.explanation-box h4 { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; margin-bottom: var(--sp-1); }
.explanation-box h4 svg { width: 18px; height: 18px; color: var(--color-primary); }
.explanation-box p { font-size: 0.95rem; line-height: 1.6; }
@keyframes fadeSlide { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.next-action { margin-top: var(--sp-5); display: flex; justify-content: flex-end; }

/* Quiz sidebar */
.quiz-side { display: flex; flex-direction: column; gap: var(--sp-4); position: sticky; top: calc(var(--header-h) + 16px); }
.quiz-side .qs-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-sm);
}
.quiz-side .qs-card h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-3); margin-bottom: var(--sp-3); }
.lifeline-row { display: flex; flex-direction: column; gap: var(--sp-3); }
.lifeline-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius);
  border: 2px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}
.lifeline-btn:hover:not(:disabled) { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.lifeline-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.lifeline-btn.used { border-style: dashed; opacity: 0.5; }
.lifeline-btn .ll-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  flex: none;
}
.lifeline-btn .ll-icon svg { width: 18px; height: 18px; }
.lifeline-btn .ll-sub { font-size: 0.75rem; font-weight: 500; color: var(--color-text-3); display: block; }
.lifeline-btn .ll-state { margin-left: auto; font-size: 0.75rem; font-weight: 700; }

.side-stats { display: flex; flex-direction: column; gap: var(--sp-3); }
.side-stat { display: flex; align-items: center; justify-content: space-between; font-size: 0.9rem; }
.side-stat .ss-label { color: var(--color-text-2); display: inline-flex; align-items: center; gap: 8px; }
.side-stat .ss-label svg { width: 16px; height: 16px; }
.side-stat .ss-val { font-weight: 700; color: var(--color-text); }

/* ------------------------------------------------------------
   Result page
   ------------------------------------------------------------ */
.result-hero { text-align: center; padding: var(--sp-10) 0 var(--sp-8); }
.result-hero .verdict { font-size: clamp(1.7rem, 4.5vw, 2.6rem); margin: var(--sp-2) 0 var(--sp-2); }
.result-hero .verdict-sub { color: var(--color-text-2); max-width: 460px; margin: 0 auto var(--sp-6); }

/* PVP match banner */
.result-vs {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 auto var(--sp-5);
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 200, 55, 0.4);
  background: linear-gradient(135deg, rgba(255, 200, 55, 0.14), rgba(255, 120, 0, 0.08));
  color: var(--accent-gold);
  font-size: 0.85rem; font-weight: 600;
}
.result-vs svg { width: 15px; height: 15px; }
.result-match {
  display: flex; align-items: center; gap: var(--sp-4);
  max-width: 640px; margin: 0 auto var(--sp-6);
  padding: var(--sp-5) var(--sp-6);
  text-align: left;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-hairline);
  animation: resultMatchIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.result-match .rm-icon {
  flex: none; width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 50%; font-size: 1.5rem;
}
.result-match h3 { font-family: var(--font-display); margin-bottom: 4px; font-size: 1.25rem; }
.result-match p { color: var(--color-text-2); font-size: 0.9rem; margin: 0; }
.result-match .rm-coins { color: var(--accent-gold); font-family: var(--font-display); }
.result-match.win {
  border-color: rgba(53, 235, 147, 0.45);
  background: linear-gradient(135deg, rgba(53, 235, 147, 0.14), rgba(0, 229, 255, 0.06));
}
.result-match.win .rm-icon { color: var(--accent-green); background: rgba(53, 235, 147, 0.14); box-shadow: 0 0 0 1px rgba(53, 235, 147, 0.4), 0 0 28px rgba(53, 235, 147, 0.25); }
.result-match.win h3 { color: var(--accent-green); }
.result-match.lose {
  border-color: rgba(255, 77, 94, 0.4);
  background: linear-gradient(135deg, rgba(255, 77, 94, 0.12), rgba(255, 120, 0, 0.05));
}
.result-match.lose .rm-icon { color: #ff6b7a; background: rgba(255, 77, 94, 0.14); box-shadow: 0 0 0 1px rgba(255, 77, 94, 0.4); }
.result-match.lose h3 { color: #ff6b7a; }
.result-match.waiting {
  border-color: rgba(0, 229, 255, 0.35);
  background: rgba(0, 229, 255, 0.05);
}
.result-match.waiting .rm-icon { color: var(--accent-cyan); background: rgba(0, 229, 255, 0.12); animation: spin 6s linear infinite; }
.result-match.waiting h3 { color: var(--accent-cyan); }
.result-match.waiting .rm-icon svg { animation: none; }
@keyframes resultMatchIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.score-ring-wrap { display: grid; place-items: center; margin-bottom: var(--sp-6); }
.score-ring {
  position: relative;
  width: 180px; height: 180px;
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.score-ring .sr-inner {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--color-surface);
  display: grid;
  place-items: center;
  align-content: center;
  box-shadow: var(--shadow-sm);
}
.score-ring .sr-num { font-family: var(--font-display); font-size: 2.1rem; font-weight: 800; color: var(--color-text); line-height: 1.1; }
.score-ring .sr-sub { font-size: 0.72rem; font-weight: 600; color: var(--color-text-3); text-transform: uppercase; letter-spacing: 0.08em; }

.result-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); max-width: 760px; margin: 0 auto var(--sp-8); }
.result-stat { padding: var(--sp-4); text-align: center; }
.result-stat .rs-num { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--color-text); }
.result-stat .rs-label { font-size: 0.78rem; color: var(--color-text-2); margin-top: 2px; }

.result-actions { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

.breakdown { max-width: 760px; margin: 0 auto; }
.breakdown .bd-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--sp-3);
  overflow: hidden;
}
.bd-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  cursor: pointer;
  width: 100%;
  text-align: left;
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}
.bd-head:hover { background: var(--color-surface-2); }
.bd-head .bd-status {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  color: #fff;
}
.bd-head .bd-status.ok { background: var(--color-success); }
.bd-head .bd-status.bad { background: var(--color-danger); }
.bd-head .bd-status svg { width: 16px; height: 16px; }
.bd-head .bd-q { font-weight: 600; font-size: 0.95rem; flex: 1; line-height: 1.4; }
.bd-head .bd-chev { color: var(--color-text-3); transition: transform var(--transition); }
.bd-head .bd-chev svg { width: 18px; height: 18px; }
.bd-card.open .bd-chev { transform: rotate(180deg); }
.bd-body { display: none; padding: var(--sp-2) var(--sp-5) var(--sp-5); border-top: 1px solid var(--color-border); }
.bd-card.open .bd-body { display: block; animation: fadeSlide 250ms ease; }
.bd-ans { display: flex; flex-direction: column; gap: var(--sp-2); margin: var(--sp-4) 0; }
.bd-ans-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
}
.bd-ans-item .ba-letter { font-weight: 800; color: var(--color-text-2); width: 20px; flex: none; }
.bd-ans-item.correct-ans { background: var(--color-success-soft); border-color: color-mix(in srgb, var(--color-success) 40%, transparent); }
.bd-ans-item.picked { background: var(--color-primary-soft); border-color: color-mix(in srgb, var(--color-primary) 40%, transparent); }
.bd-ans-item.bad-pick { background: var(--color-danger-soft); border-color: color-mix(in srgb, var(--color-danger) 40%, transparent); }
.bd-ans-item .ba-tag { margin-left: auto; font-size: 0.72rem; font-weight: 700; }
.bd-expl { font-size: 0.88rem; padding: var(--sp-3) var(--sp-4); border-radius: var(--radius-sm); background: var(--color-surface-2); line-height: 1.6; }

/* ------------------------------------------------------------
   Dashboard / profile
   ------------------------------------------------------------ */
.profile-head {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  padding: var(--sp-8);
  background: linear-gradient(120deg, color-mix(in srgb, var(--color-primary) 10%, var(--color-surface)), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}
.profile-head .ph-avatar { width: 84px; height: 84px; border-radius: 50%; overflow: hidden; display: grid; place-items: center; background: var(--gradient-brand); color: #fff; font-size: 2.2rem; font-weight: 800; box-shadow: var(--shadow-brand); }
.profile-head .ph-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-head h1 { font-size: 1.6rem; }
.profile-head .ph-info p { display: flex; align-items: center; gap: 6px; color: var(--color-text-2); font-size: 0.9rem; margin-top: 2px; }
.profile-head .ph-info svg { width: 15px; height: 15px; color: var(--color-text-3); flex: none; }
.profile-head .ph-stats { display: flex; gap: var(--sp-6); margin-left: auto; flex-wrap: wrap; }

.level-bar { max-width: 260px; }
.level-bar .lb-top { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--color-text-2); font-weight: 600; margin-bottom: 6px; }

.dash-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); margin-top: var(--sp-6); }
.dash-grid--2 { grid-template-columns: repeat(2, 1fr); }
.dash-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
}
.dash-panel h3 { display: flex; align-items: center; gap: 8px; font-size: 1rem; margin-bottom: var(--sp-4); }
.dash-panel h3 svg { width: 18px; height: 18px; color: var(--color-primary); }
.dash-panel--wide { grid-column: span 2; }

.chart-bars { display: flex; align-items: flex-end; gap: 10px; height: 160px; padding-top: var(--sp-2); }
.chart-bars .cb-col { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; gap: 6px; }
.chart-bars .cb-bar {
  width: 100%;
  max-width: 46px;
  border-radius: 6px 6px 0 0;
  background: var(--gradient-brand);
  opacity: 0.9;
  transition: height 0.7s cubic-bezier(0.4,0,0.2,1);
}
.chart-bars .cb-bar:hover { opacity: 1; }
.chart-bars .cb-val { font-size: 0.72rem; font-weight: 700; color: var(--color-text-2); }
.chart-bars .cb-label { font-size: 0.68rem; color: var(--color-text-3); text-align: center; line-height: 1.2; }

.accuracy-ring { display: grid; place-items: center; }
.acc-ring {
  width: 130px; height: 130px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  margin: var(--sp-2) auto var(--sp-3);
}
.acc-ring .ar-inner {
  position: absolute; inset: 10px;
  border-radius: 50%;
  background: var(--color-surface);
  display: grid;
  place-items: center;
}
.acc-ring .ar-inner span { font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; color: var(--color-text); }

.list-rows { display: flex; flex-direction: column; gap: 8px; }
.list-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
}
.list-row .lr-icon { width: 34px; height: 34px; border-radius: var(--radius-sm); background: var(--color-primary-soft); color: var(--color-primary); display: grid; place-items: center; flex: none; }
.list-row .lr-icon svg { width: 17px; height: 17px; }
.list-row .lr-main { flex: 1; min-width: 0; }
.list-row .lr-title { font-weight: 600; font-size: 0.9rem; color: var(--color-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-row .lr-sub { font-size: 0.76rem; color: var(--color-text-3); }
.list-row .lr-val { font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; color: var(--color-text); }

.avatar-picker { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.avatar-picker button {
  width: 46px; height: 46px;
  border-radius: var(--radius);
  background: var(--color-surface-2);
  font-size: 1.4rem;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
}
.avatar-picker button:hover { transform: translateY(-2px); }
.avatar-picker button.on { border-color: var(--color-primary); background: var(--color-primary-soft); }

/* ------------------------------------------------------------
   Tables
   ------------------------------------------------------------ */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-3);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table td { padding: 12px; border-bottom: 1px solid var(--color-border); color: var(--color-text); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: var(--color-surface-2); }

/* ------------------------------------------------------------
   Filter bar (quizzes page)
   ------------------------------------------------------------ */
.filter-bar {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--sp-6);
  padding: var(--sp-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.filter-bar .fb-field { display: flex; flex-direction: column; gap: 4px; }
.filter-bar .fb-field label { font-size: 0.72rem; font-weight: 700; color: var(--color-text-3); text-transform: uppercase; letter-spacing: 0.05em; }
.filter-bar .form-control { min-width: 130px; }

/* ------------------------------------------------------------
   Empty / error states
   ------------------------------------------------------------ */
.empty-state { text-align: center; padding: var(--sp-12) var(--sp-6); }
.empty-state .es-icon {
  width: 84px; height: 84px;
  margin: 0 auto var(--sp-5);
  border-radius: 50%;
  background: var(--color-surface-2);
  color: var(--color-text-3);
  display: grid;
  place-items: center;
}
.empty-state .es-icon svg { width: 38px; height: 38px; }
.empty-state h3 { font-size: 1.25rem; margin-bottom: var(--sp-2); }
.empty-state p { max-width: 360px; margin: 0 auto var(--sp-5); }

/* ------------------------------------------------------------
   Skeleton loaders
   ------------------------------------------------------------ */
.skeleton {
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-surface-3) 50%, var(--color-surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ------------------------------------------------------------
   Page transitions / reveal
   ------------------------------------------------------------ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ------------------------------------------------------------
   Confetti canvas
   ------------------------------------------------------------ */
#confetti-canvas, #particle-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-modal);
}

/* ------------------------------------------------------------
   Daily Challenge floating launcher
   ------------------------------------------------------------ */
.daily-fab {
  position: fixed;
  top: 50%;
  right: var(--sp-5);
  transform: translateY(-50%);
  z-index: var(--z-fab);
  display: flex;
  align-items: center;
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: var(--color-on-primary);
  text-decoration: none;
  box-shadow: var(--shadow-brand);
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  transition: width var(--transition), box-shadow var(--transition), background var(--transition);
}
.daily-fab:hover,
.daily-fab:focus-visible,
.daily-fab.open {
  width: 220px;
  padding-right: var(--sp-5);
  box-shadow: var(--shadow-lg);
}
.daily-fab:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.daily-fab .df-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
}
.daily-fab .df-icon svg {
  width: 24px;
  height: 24px;
}

.daily-fab .df-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  text-align: left;
  transition: max-width var(--transition), opacity var(--transition);
}
.daily-fab .df-label strong {
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.2;
}
.daily-fab .df-label small {
  font-size: 0.7rem;
  font-weight: 500;
  line-height: 1.3;
  opacity: 0.82;
}
.daily-fab:hover .df-label,
.daily-fab:focus-visible .df-label,
.daily-fab.open .df-label {
  max-width: 160px;
  opacity: 1;
}

/* Attention dot (only while available, never blinks) */
.daily-fab .df-badge {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-warning);
  border: 2px solid var(--color-surface);
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.35);
}

/* Gentle attention pulse on load — runs a few times, then stops */
.daily-fab--available:not(:hover):not(.open) .df-icon {
  position: relative;
}
.daily-fab--available:not(:hover):not(.open) .df-icon::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.45);
  animation: dfPulse 1.8s ease-out 3;
  pointer-events: none;
}
@keyframes dfPulse {
  0%   { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.45); }
  100% { box-shadow: 0 0 0 14px rgba(245, 158, 11, 0); }
}

/* Completed / empty states are calm and subdued */
.daily-fab--completed {
  background: var(--color-surface);
  color: var(--color-success);
  box-shadow: var(--shadow-md);
  border: 1px solid color-mix(in srgb, var(--color-success) 45%, transparent);
}
.daily-fab--empty {
  background: var(--color-surface-2);
  color: var(--color-text-2);
  box-shadow: var(--shadow-md);
}

/* Hide while a full-screen overlay (search) is open */
.search-overlay.open ~ .daily-fab {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .scene-card, .core-orb, .scene-dot { animation: none !important; }
}

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .achievements-grid { grid-template-columns: repeat(3, 1fr); }
  .quiz-layout { grid-template-columns: 1fr; }
  .quiz-side { position: static; flex-direction: row; flex-wrap: wrap; }
  .quiz-side .qs-card { flex: 1; min-width: 220px; }
  .lifeline-row { flex-direction: row; flex-wrap: wrap; }
  .lifeline-btn { width: auto; flex: 1; min-width: 200px; }
}

@media (max-width: 900px) {
  .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-scene { height: 320px; order: -1; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .daily-banner { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  .dash-grid--2 { grid-template-columns: 1fr; }
  .dash-panel--wide { grid-column: span 1; }
  .result-stats { grid-template-columns: repeat(2, 1fr); }
  .achievements-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-desktop { display: none; }
  .nav-burger { display: inline-flex; }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 32px); }
  .section { padding-block: var(--sp-8); }
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: 1fr 1fr; }
  .achievements-grid { grid-template-columns: 1fr 1fr; }
  .result-stats { grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
  .podium { gap: var(--sp-2); }
  .podium-card { width: 100px; }
  .podium-card .pod-avatar { width: 56px; height: 56px; }
  .hero-cta .btn { flex: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .profile-head { text-align: center; justify-content: center; }
  .profile-head .ph-stats { margin-left: 0; justify-content: center; }
  .profile-head .ph-info p { justify-content: center; }
  .profile-head .profile-level { align-items: center; }
  .profile-head .profile-level .xp-bar { margin-inline: auto; }
  .quiz-top { flex-direction: column; align-items: stretch; }
  .quiz-timer { align-self: flex-start; }
  .question-card { padding: var(--sp-5); }
  .daily-banner { padding: var(--sp-6); }
  .cta-band { padding: var(--sp-8) var(--sp-5); }
  .lb-row { grid-template-columns: 34px 36px 1fr auto auto; }
  .lb-acc { display: none; }
  .lb-prize-chip { display: none; }
  .bd-head .bd-q { font-size: 0.88rem; }

  .daily-fab {
    right: var(--sp-3);
    width: 52px;
    height: 52px;
  }
  .daily-fab .df-icon {
    width: 52px;
    height: 52px;
  }
  .daily-fab.open {
    width: 200px;
    padding-right: var(--sp-4);
  }
}

@media (max-width: 380px) {
  .quick-grid { grid-template-columns: 1fr; }
  .achievements-grid { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
   Header / nav extras
   ------------------------------------------------------------ */
.nav-desktop .nav-link { display: inline-flex; align-items: center; gap: 8px; }
.nav-desktop .nav-link svg { width: 16px; height: 16px; flex: none; }
.nav-user svg { width: 16px; height: 16px; color: var(--color-text-3); flex: none; }
.nav-user .nu-name { max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.theme-toggle span { display: none; }
.theme-toggle .theme-icon--moon { display: inline-flex; }
[data-theme="dark"] .theme-toggle .theme-icon--moon { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon--sun { display: inline-flex; }

.no-scroll { overflow: hidden; }

.toast.out { opacity: 0; transform: translateY(8px); transition: opacity 250ms ease, transform 250ms ease; }

.nav-mobile .nav-mobile-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--radius);
  background: var(--color-surface-2);
  font-size: 0.95rem;
  line-height: 1.3;
}
.nav-mobile .nav-mobile-user strong { display: block; }
.nav-mobile .nav-mobile-user .avatar { width: 42px; height: 42px; font-size: 1.05rem; }

.footer-brand .brand { font-size: 1.3rem; }
.footer-bottom svg { width: 14px; height: 14px; vertical-align: -2px; color: var(--color-primary); }
.footer-bottom a { color: var(--color-text-2); }
.footer-bottom a:hover { color: var(--color-primary); }

@media (max-width: 1100px) {
  .nav-user .nu-name { display: none; }
  .nav-user { padding-left: 6px; }
}

/* ------------------------------------------------------------
   Home page extras
   ------------------------------------------------------------ */
.db-streak .dbs-day svg { width: 14px; height: 14px; }
.db-streak .dbs-day .dbs-num { font-size: 0.82rem; font-weight: 700; }
.pod-pedestal svg { width: 14px; height: 14px; vertical-align: -2px; }
.lb-name small { color: var(--color-text-3); font-weight: 500; }
.cta-band .btn-group { justify-content: center; }
.category-card .btn { margin-top: auto; }

/* ------------------------------------------------------------
   Profile page extras
   ------------------------------------------------------------ */
.profile-level { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 180px; }
.level-badge {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  background: var(--gradient-brand);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-brand);
}
.xp-bar { width: 100%; max-width: 220px; height: 10px; border-radius: var(--radius-full); background: var(--color-surface-3); overflow: hidden; }
.xp-fill { height: 100%; border-radius: var(--radius-full); background: var(--gradient-brand); transition: width var(--transition); }
.stat-card .st-value { font-family: var(--font-number); font-size: 1.5rem; font-weight: 800; color: var(--color-text); line-height: 1.1; }
.form-stack { display: flex; flex-direction: column; gap: var(--sp-4); }

@media (max-width: 900px) {
  .profile-level { min-width: 0; }
}

/* ------------------------------------------------------------
   Admin panel
   ------------------------------------------------------------ */
.selection-gold ::selection { background: color-mix(in srgb, var(--gold) 30%, transparent); }
.bg-ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px 400px at 85% 0%, color-mix(in srgb, var(--color-primary) 10%, transparent), transparent 65%),
    radial-gradient(600px 400px at 0% 100%, color-mix(in srgb, var(--color-secondary) 8%, transparent), transparent 60%);
  pointer-events: none;
}

/* Admin top bar */
.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.admin-topbar-inner {
  width: min(1400px, 100% - 32px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: 12px;
}
.admin-topbar .brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; color: var(--color-text); }
.admin-topbar .brand small { color: var(--color-text-3); font-weight: 600; font-size: 0.72rem; }
.admin-topbar-actions { display: flex; align-items: center; gap: var(--sp-3); }
.admin-topbar .brand svg { flex: none; }
.admin-topbar-actions .btn svg { width: 15px; height: 15px; flex: none; }

.nav-drop { position: relative; }
.nav-drop .nav-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.nav-drop .nav-avatar:hover { border-color: var(--color-primary); transform: translateY(-1px); }
.nav-drop-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 60;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu { display: flex; }
.nav-drop-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-drop-menu a:hover { background: var(--color-surface-2); color: var(--color-primary); }
.nav-drop-menu a svg { width: 16px; height: 16px; flex: none; color: var(--color-text-3); }
.nav-drop-menu a:hover svg { color: var(--color-primary); }

/* Admin layout */
.admin-layout {
  width: min(1400px, 100% - 32px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: var(--admin-sidebar-w) 1fr;
  gap: var(--sp-6);
  padding-block: var(--sp-8) var(--sp-16);
  align-items: start;
}
.admin-sidebar {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--sp-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.admin-sidebar h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-3);
  margin: var(--sp-3) var(--sp-2) var(--sp-1);
  font-family: var(--font-sans);
  font-weight: 700;
}
.admin-sidebar h4:first-child { margin-top: var(--sp-1); }
.admin-sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-2);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.admin-sidebar a:hover { background: var(--color-surface-2); color: var(--color-primary); }
.admin-sidebar a svg { width: 16px; height: 16px; flex: none; color: var(--color-text-3); }
.admin-sidebar a:hover svg { color: var(--color-primary); }
.admin-sidebar a.active svg { color: var(--color-primary); }
.admin-sidebar a.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.admin-main { min-width: 0; display: flex; flex-direction: column; gap: var(--sp-5); }
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.admin-header h1 { font-size: 1.6rem; margin: 0; }
.admin-header h3 { font-size: 1.05rem; margin: 0; }

/* Admin cards */
.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
}
.glass-card > h3 { margin: 0 0 var(--sp-4); font-size: 1.05rem; }

/* Stat grid */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: var(--sp-4); }
.stat-grid .stat-card {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5);
}
.sc-ico {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  flex: none;
}
.sc-num { font-family: var(--font-number); font-size: 1.6rem; font-weight: 800; color: var(--color-text); line-height: 1.15; }
.sc-label { font-size: 0.82rem; color: var(--color-text-2); font-weight: 500; }

/* Charts */
.chart-row { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--sp-5); }
.chart-box h3 { margin: 0 0 var(--sp-4); font-size: 1rem; }
.bar-horizontal { display: flex; align-items: center; gap: 12px; padding-block: 8px; }
.bh-label { flex: 1; font-size: 0.85rem; color: var(--color-text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bh-track { flex: 2; height: 10px; border-radius: var(--radius-full); background: var(--color-surface-3); overflow: hidden; }
.bh-fill { height: 100%; border-radius: var(--radius-full); background: var(--gradient-brand); min-width: 4px; }
.bh-val { width: 36px; text-align: right; font-family: var(--font-number); font-weight: 700; font-size: 0.85rem; color: var(--color-text); }

/* Admin tables */
.table-card { padding: var(--sp-6); }
.table-card h3 { margin: 0 0 var(--sp-4); font-size: 1.05rem; }
.table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table thead th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-3);
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
}
.admin-table tbody td { padding: 12px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table tbody tr { transition: background-color var(--transition-fast); }
.admin-table tbody tr:hover { background: color-mix(in srgb, var(--color-surface-2) 60%, transparent); }
.row-check { width: 16px; height: 16px; accent-color: var(--color-primary); }
.lvl-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  font-size: 0.75rem;
  font-weight: 700;
}

/* Admin badges */
.badge-blue { background: var(--color-primary-soft); color: var(--color-primary); border-color: transparent; }
.badge-green { background: var(--color-success-soft); color: var(--color-success); border-color: transparent; }
.badge-gold { background: var(--color-warning-soft); color: var(--color-warning); border-color: transparent; }
.badge-red { background: var(--color-danger-soft); color: var(--color-danger); border-color: transparent; }
.badge-purple { background: var(--color-secondary-soft); color: var(--color-secondary); border-color: transparent; }
.badge-gray { background: var(--color-surface-2); color: var(--color-text-2); border-color: transparent; }

/* Admin buttons */
.btn-gold { background: var(--gold); color: #422006; border-color: transparent; box-shadow: 0 8px 18px -6px color-mix(in srgb, var(--gold) 55%, transparent); }
.btn-gold:hover { filter: brightness(1.06); color: #422006; transform: translateY(-1px); }
.btn-green { background: var(--color-success); color: #fff; border-color: transparent; }
.btn-green:hover { filter: brightness(1.06); color: #fff; transform: translateY(-1px); }
.btn-purple { background: var(--color-secondary); color: #fff; border-color: transparent; }
.btn-purple:hover { filter: brightness(1.08); color: #fff; transform: translateY(-1px); }
.btn-red { background: var(--color-danger); color: #fff; border-color: transparent; }
.btn-red:hover { filter: brightness(1.06); color: #fff; transform: translateY(-1px); }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 1rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}
.btn-icon:hover { border-color: var(--color-primary); background: var(--color-primary-soft); transform: translateY(-1px); }
.btn-icon.edit:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-icon.approve:hover { border-color: var(--color-success); color: var(--color-success); background: var(--color-success-soft); }
.btn-icon.reject:hover, .btn-icon.del:hover { border-color: var(--color-danger); color: var(--color-danger); background: var(--color-danger-soft); }

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: var(--sp-8) var(--sp-4);
  background: rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(4px);
  overflow-y: auto;
}
.modal-overlay.show, .modal-overlay[style*="display:flex"], .modal-overlay[style*="display: flex"] { display: flex; }
.modal-box {
  width: 100%;
  max-width: 520px;
  padding: var(--sp-6);
  animation: modal-in var(--transition) ease;
}
.modal-box h3 { margin: 0 0 var(--sp-4); font-size: 1.1rem; }
.modal-box .form-group { margin-bottom: var(--sp-4); }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--sp-2); margin-top: var(--sp-5); }

@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 1100px) {
  .chart-row { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--sp-1);
  }
  .admin-sidebar h4 { display: none; }
  .admin-sidebar a { font-size: 0.85rem; }
}
@media (max-width: 640px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .sc-num { font-size: 1.3rem; }
  .sc-ico { width: 40px; height: 40px; font-size: 1.15rem; }
  .stat-grid .stat-card { flex-direction: column; align-items: flex-start; gap: var(--sp-2); }
  .admin-layout { width: calc(100% - 24px); padding-block: var(--sp-6) var(--sp-10); }
  .admin-topbar-inner { width: calc(100% - 24px); }
  .admin-table { display: block; overflow-x: auto; white-space: nowrap; }
}
@media (max-width: 380px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
   Wallet & Economy
   ------------------------------------------------------------ */
.ta-right { text-align: right; }
.form-row { display: flex; gap: var(--sp-3); align-items: center; }

/* Header wallet chip (desktop) */
.wallet-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  flex: none;
}
.wallet-chip:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); color: var(--color-text); transform: translateY(-1px); }
.wallet-chip .wc-token { display: inline-flex; align-items: center; gap: 5px; }
.wallet-chip .wc-token svg { width: 15px; height: 15px; color: var(--color-primary); }
.wallet-chip .wc-token--coins svg { color: var(--gold); }
.wallet-chip .wc-sep { width: 1px; height: 16px; background: var(--color-border); }

/* Wallet hero */
.wallet-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  padding: var(--sp-6);
  margin-bottom: var(--sp-5);
  border-radius: calc(var(--radius) * 1.6);
  border: 1px solid var(--color-border);
  background:
    radial-gradient(480px 240px at 12% 0%, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent 60%),
    radial-gradient(480px 240px at 100% 100%, color-mix(in srgb, var(--gold) 12%, transparent), transparent 60%),
    var(--color-surface);
}
.wallet-token {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.wallet-token .wt-icon {
  width: 52px; height: 52px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
}
.wallet-token--points .wt-icon { background: var(--color-primary-soft); color: var(--color-primary); }
.wallet-token--coins .wt-icon { background: color-mix(in srgb, var(--gold) 18%, transparent); color: var(--gold); }
.wallet-token .wt-icon svg { width: 26px; height: 26px; }
.wallet-token .wt-body { display: flex; flex-direction: column; }
.wallet-token .wt-body small { color: var(--color-text-3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.72rem; }
.wallet-token .wt-body strong { font-family: var(--font-number); font-size: 2rem; font-weight: 800; line-height: 1.1; color: var(--color-text); }
.wallet-token--coins .wt-body strong { color: var(--gold); }
.wallet-token .wt-sub { color: var(--color-text-3); font-size: 0.78rem; }

.wallet-summary {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-6);
  padding-top: var(--sp-2);
  color: var(--color-text-2);
  font-size: 0.85rem;
}
.wallet-summary b { color: var(--color-text); }
.ws-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.ws-dot--up { background: var(--color-success); }
.ws-dot--down { background: var(--color-danger); }
.ws-dot--pending { background: var(--color-warning); }

/* Coin Store */
.store-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  max-width: 900px;
}
.store-card {
  text-align: center;
  padding: var(--sp-6) var(--sp-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
  overflow: hidden;
}
.store-card .sc-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--color-surface-3);
  color: var(--color-primary);
  margin-bottom: var(--sp-3);
}
.store-card .sc-badge svg { width: 26px; height: 26px; }
.store-card .sc-coins { font-family: var(--font-number); font-weight: 800; font-size: 1.8rem; color: var(--color-text); line-height: 1.1; }
.store-card .sc-label { font-size: 0.75rem; color: var(--color-text-3); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; }
.store-card .sc-price { font-family: var(--font-number); font-weight: 700; color: var(--gold); margin: var(--sp-2) 0 var(--sp-4); }
.store-card .btn { margin-top: auto; }
.buy-confirm { max-width: 420px; }

/* Wallet tabs */
.wallet-tabs {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}
.wallet-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-text-2);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}
.wallet-tabs a svg { width: 16px; height: 16px; }
.wallet-tabs a:hover { color: var(--color-text); border-color: var(--color-primary); }
.wallet-tabs a.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* Ledger table cells */
.txn-label { font-weight: 600; font-size: 0.88rem; color: var(--color-text); display: block; }
.txn-desc { display: block; font-size: 0.76rem; color: var(--color-text-3); }
.txn-pos { color: var(--color-success); font-weight: 700; font-family: var(--font-number); }
.txn-neg { color: var(--color-danger); font-weight: 700; font-family: var(--font-number); }
.txn-bal { color: var(--color-text-2); font-family: var(--font-number); font-weight: 600; }

/* Profile wallet mini-card */
.wallet-mini {
  display: flex;
  gap: var(--sp-4);
  align-items: stretch;
  flex-wrap: wrap;
}
.wallet-mini-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  min-width: 150px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.wallet-mini-item:hover { border-color: var(--color-primary); transform: translateY(-1px); }
.wallet-mini-item .wm-icon {
  width: 38px; height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
}
.wallet-mini-item .wm-icon svg { width: 19px; height: 19px; }
.wm-icon--points { background: var(--color-primary-soft); color: var(--color-primary); }
.wm-icon--coins { background: color-mix(in srgb, var(--gold) 18%, transparent); color: var(--gold); }
.wallet-mini-item span:last-child { display: flex; flex-direction: column; line-height: 1.25; }
.wallet-mini-item small { color: var(--color-text-3); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; }
.wallet-mini-item b { font-family: var(--font-number); font-size: 1.15rem; color: var(--color-text); }

/* Result rewards */
.reward-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  max-width: 720px;
  margin: 0 auto var(--sp-8);
}
.reward-strip-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  justify-content: center;
  color: var(--color-text-3);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.reward-strip-label svg { width: 15px; height: 15px; color: var(--gold); }
.reward-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(14px) scale(0.92);
}
.reward-chip.pop { animation: reward-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
@keyframes reward-pop {
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.reward-chip .rw-icon { display: grid; place-items: center; }
.reward-chip .rw-icon svg { width: 22px; height: 22px; }
.reward-chip--points .rw-icon { color: var(--color-primary); }
.reward-chip--coins .rw-icon { color: var(--gold); }
.reward-chip > span:last-child { display: flex; flex-direction: column; line-height: 1.2; }
.reward-chip .rw-amt { font-family: var(--font-number); font-size: 1.3rem; font-weight: 800; color: var(--color-text); }
.reward-chip--coins .rw-amt { color: var(--gold); }
.reward-chip .rw-label { font-size: 0.72rem; color: var(--color-text-3); font-weight: 600; }

@media (max-width: 900px) {
  .wallet-chip { display: none; }
}
@media (max-width: 640px) {
  .wallet-hero { grid-template-columns: 1fr; padding: var(--sp-4); }
  .wallet-token { padding: var(--sp-4); }
  .wallet-token .wt-body strong { font-size: 1.6rem; }
  .wallet-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .wallet-tabs a { white-space: nowrap; }
  .wallet-mini { flex-direction: column; }
  .wallet-mini-item { width: 100%; }
  .store-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
}