/* ============================================================
   QuestClass v3.0 — Light Blue Design System
   White × Blue + Flat Monotone Icons
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Prompt:wght@300;400;600;700;900&display=swap');

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-base:    #EEF4FF;
  --bg-surface: #F5F9FF;
  --bg-card:    #FFFFFF;
  --bg-hover:   #F0F7FF;
  --bg-mid:     #E8F0FE;
  --bg-high:    #DBEAFE;

  /* Brand Blue */
  --blue:        #2563EB;
  --blue-lt:     #3B82F6;
  --blue-pale:   #60A5FA;
  --blue-dim:    #EFF6FF;
  --blue-border: #BFDBFE;
  --blue-glow:   rgba(37,99,235,0.12);

  /* Accent — Gold (rewards) */
  --gold:        #D97706;
  --gold-lt:     #F59E0B;
  --gold-dim:    #FFFBEB;
  --gold-border: #FDE68A;
  --gold-glow:   rgba(217,119,6,0.18);

  /* Accent — Mint / Green (XP, success) */
  --mint:        #059669;
  --mint-lt:     #10B981;
  --mint-dim:    #ECFDF5;
  --mint-border: #A7F3D0;
  --mint-glow:   rgba(5,150,105,0.18);

  /* Accent — Coral / Orange (urgent) */
  --coral:       #EA580C;
  --coral-lt:    #F97316;
  --coral-dim:   #FFF7ED;
  --coral-border:#FED7AA;
  --coral-glow:  rgba(234,88,12,0.18);

  /* Accent — Purple (RPG flavour) */
  --purple:      #7C3AED;
  --purple-lt:   #8B5CF6;
  --purple-dim:  #F5F3FF;
  --purple-border:#DDD6FE;
  --purple-glow: rgba(124,58,237,0.18);

  /* Red / error */
  --red:         #DC2626;
  --red-dim:     #FEF2F2;
  --red-border:  #FECACA;

  /* Cyan */
  --cyan:        #0891B2;
  --pink:        #DB2777;

  /* Backward-compat glass aliases → map to light equivalents */
  --glass-1:      rgba(255,255,255,0.75);
  --glass-2:      rgba(255,255,255,0.92);
  --glass-3:      #FFFFFF;
  --glass-border: var(--blue-border);
  --glass-rim:    rgba(255,255,255,0.9);

  /* Text */
  --t1: #0F172A;
  --t2: #475569;
  --t3: #94A3B8;

  /* Borders & Shadows */
  --border:        #E0ECFF;
  --border-strong: #BFDBFE;
  --shadow-sm:  0 1px 3px rgba(37,99,235,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 14px rgba(37,99,235,0.09), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:  0 8px 28px rgba(37,99,235,0.12), 0 4px 10px rgba(0,0,0,0.05);

  /* Fonts */
  --font-pixel: 'Press Start 2P', monospace;
  --font-ui:    'Prompt', 'Segoe UI', sans-serif;

  /* Spacing & radius */
  --gap: 1rem;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 24px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur:  0.18s;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background-color: var(--bg-base);
  color: var(--t1);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Soft ambient gradient */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%,   rgba(219,234,254,0.65) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 100%,  rgba(209,250,229,0.4)  0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 50% 50%,   rgba(238,244,255,0.5)  0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Cards ──────────────────────────────────────────────────── */
.glass {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.6) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}

.glass-md {
  background: #FFFFFF;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.glass-md::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.7) 0%, transparent 55%);
  pointer-events: none;
  border-radius: inherit;
}

/* Tinted cards */
.glass-gold   { background: var(--gold-dim);   border-color: var(--gold-border); }
.glass-mint   { background: var(--mint-dim);   border-color: var(--mint-border); }
.glass-coral  { background: var(--coral-dim);  border-color: var(--coral-border); }
.glass-purple { background: var(--purple-dim); border-color: var(--purple-border); }
.glass-blue   { background: var(--blue-dim);   border-color: var(--blue-border); }
.glass-red    { background: var(--red-dim);    border-color: var(--red-border); }

/* ── Bento Grid ─────────────────────────────────────────────── */
.bento   { display: grid; gap: var(--gap); }
.bento-4 { grid-template-columns: repeat(4, 1fr); }
.bento-3 { grid-template-columns: repeat(3, 1fr); }
.bento-2 { grid-template-columns: repeat(2, 1fr); }
.bento-12{ grid-template-columns: repeat(12, 1fr); }

/* Override Bootstrap's .col-* width constraints inside bento grids */
.bento .col-1  { grid-column: span 1;  width: auto; max-width: none; flex: none; }
.bento .col-2  { grid-column: span 2;  width: auto; max-width: none; flex: none; }
.bento .col-3  { grid-column: span 3;  width: auto; max-width: none; flex: none; }
.bento .col-4  { grid-column: span 4;  width: auto; max-width: none; flex: none; }
.bento .col-5  { grid-column: span 5;  width: auto; max-width: none; flex: none; }
.bento .col-7  { grid-column: span 7;  width: auto; max-width: none; flex: none; }
.bento .col-12 { grid-column: span 12; width: auto; max-width: none; flex: none; }
.bento .row-2  { grid-row: span 2; }

.bento-cell {
  padding: 1.25rem;
  transition:
    border-color var(--dur) var(--ease),
    box-shadow   var(--dur) var(--ease),
    transform    var(--dur) var(--ease);
}
.bento-cell:hover {
  border-color: var(--blue-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

/* ── Top Navigation ─────────────────────────────────────────── */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.topnav-brand {
  height: 34px;
  width: auto;
  flex-shrink: 0;
  object-fit: contain;
}

.topnav-tabs {
  display: flex;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.topnav-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.8rem;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--t2);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur) var(--ease);
}
.tab-btn:hover {
  color: var(--blue);
  background: var(--blue-dim);
}
.tab-btn.active {
  color: var(--blue);
  background: var(--blue-dim);
  border-color: var(--blue-border);
  font-weight: 700;
}
.tab-icon {
  display: inline-flex;
  align-items: center;
  color: inherit;
}
.tab-icon svg { width: 15px; height: 15px; stroke-width: 2; }

.topnav-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  margin-left: auto;
}

/* ── Page Content ───────────────────────────────────────────── */
.page-content {
  padding: 1.25rem 1.5rem 2rem;
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Typography ─────────────────────────────────────────────── */
.pixel-title {
  font-family: var(--font-pixel);
  font-size: 0.58rem;
  letter-spacing: 1.5px;
  line-height: 2;
  color: var(--blue);
}
.page-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.2px;
  line-height: 1.3;
  color: var(--blue);
}
.pixel-lg {
  font-family: var(--font-pixel);
  font-size: 0.78rem;
  line-height: 1.8;
}

.section-label {
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.section-label svg { width: 13px; height: 13px; flex-shrink: 0; }

.val-lg { font-size: 2rem;   font-weight: 900; line-height: 1.1; color: var(--t1); }
.val-xl { font-size: 2.8rem; font-weight: 900; line-height: 1;   color: var(--t1); }

/* Text utilities */
.t-gold   { color: var(--gold); }
.t-mint   { color: var(--mint); }
.t-coral  { color: var(--coral); }
.t-purple { color: var(--purple); }
.t-blue   { color: var(--blue); }
.t-red    { color: var(--red); }
.t-dim    { color: var(--t2); }
.t-muted  { color: var(--t3); }

/* Backward compat neon aliases */
.neon-text-purple { color: var(--purple); }
.neon-text-green  { color: var(--mint); }
.neon-text-cyan   { color: var(--cyan); }
.neon-text-pink   { color: var(--pink); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.18rem 0.6rem;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
}
.badge-gold   { background: var(--gold-dim);   color: var(--gold);   border-color: var(--gold-border); }
.badge-mint   { background: var(--mint-dim);   color: var(--mint);   border-color: var(--mint-border); }
.badge-coral  { background: var(--coral-dim);  color: var(--coral);  border-color: var(--coral-border); }
.badge-purple { background: var(--purple-dim); color: var(--purple); border-color: var(--purple-border); }
.badge-blue   { background: var(--blue-dim);   color: var(--blue);   border-color: var(--blue-border); }

/* ── Avatar ─────────────────────────────────────────────────── */
.avatar {
  width: 68px; height: 68px;
  border-radius: var(--r-md);
  border: 2px solid var(--border-strong);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.avatar-wrap {
  position: relative;
  display: inline-block;
  cursor: pointer;
}
.avatar-wrap:hover .avatar-overlay { opacity: 1; }
.avatar-overlay {
  position: absolute;
  inset: 0;
  border-radius: var(--r-md);
  background: rgba(37,99,235,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.18s;
  color: #fff;
}
.avatar-xs {
  width: 32px; height: 32px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
}

/* ── XP Bar ─────────────────────────────────────────────────── */
.xp-track {
  background: var(--blue-dim);
  border-radius: 99px;
  height: 7px;
  overflow: hidden;
}
.xp-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--blue-pale));
  transition: width 0.9s var(--ease);
}

/* ── Stat Bars ──────────────────────────────────────────────── */
.stat-track {
  background: #F1F5F9;
  border-radius: 99px;
  height: 5px;
  overflow: hidden;
}
.stat-fill { height: 100%; border-radius: 99px; transition: width 0.7s var(--ease); }
.stat-fill.int { background: linear-gradient(90deg, #2563EB, #60A5FA); }
.stat-fill.agi { background: linear-gradient(90deg, #059669, #34D399); }
.stat-fill.dex { background: linear-gradient(90deg, #D97706, #F59E0B); }
.stat-fill.vit { background: linear-gradient(90deg, #DC2626, #F87171); }
.stat-fill.cha { background: linear-gradient(90deg, #7C3AED, #A78BFA); }

/* Legacy stat bar classes */
.stat-int { background: linear-gradient(90deg, #2563EB, #60A5FA); }
.stat-agi { background: linear-gradient(90deg, #059669, #34D399); }
.stat-dex { background: linear-gradient(90deg, #D97706, #F59E0B); }
.stat-vit { background: linear-gradient(90deg, #DC2626, #F87171); }
.stat-cha { background: linear-gradient(90deg, #7C3AED, #A78BFA); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: var(--r-sm);
  border: none;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; flex-shrink: 0; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-blue   { background: var(--blue);   color: #fff; box-shadow: 0 2px 8px var(--blue-glow); }
.btn-mint   { background: var(--mint);   color: #fff; box-shadow: 0 2px 8px var(--mint-glow); }
.btn-gold   { background: var(--gold);   color: #fff; box-shadow: 0 2px 8px var(--gold-glow); }
.btn-coral  { background: var(--coral);  color: #fff; box-shadow: 0 2px 8px var(--coral-glow); }
.btn-purple { background: var(--purple); color: #fff; box-shadow: 0 2px 8px var(--purple-glow); }

.btn-blue:hover:not(:disabled)   { background: #1D4ED8; box-shadow: 0 4px 16px rgba(37,99,235,0.3);  transform: translateY(-1px); }
.btn-mint:hover:not(:disabled)   { background: #047857; box-shadow: 0 4px 16px rgba(5,150,105,0.3);  transform: translateY(-1px); }
.btn-gold:hover:not(:disabled)   { background: #B45309; box-shadow: 0 4px 16px rgba(217,119,6,0.3);  transform: translateY(-1px); }
.btn-coral:hover:not(:disabled)  { background: #C2410C; box-shadow: 0 4px 16px rgba(234,88,12,0.3);  transform: translateY(-1px); }
.btn-purple:hover:not(:disabled) { background: #6D28D9; box-shadow: 0 4px 16px rgba(124,58,237,0.3); transform: translateY(-1px); }

/* Backward-compat aliases */
.btn-neon-purple { background: var(--purple); color: #fff; }
.btn-neon-green  { background: var(--mint);   color: #fff; }

.btn-ghost {
  background: #FFFFFF;
  border: 1px solid var(--border-strong);
  color: var(--t2);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--blue-dim);
  color: var(--blue);
  border-color: var(--blue-border);
}

.btn-sm  { padding: 0.3rem 0.7rem; font-size: 0.77rem; }
.btn-lg  { padding: 0.7rem 2rem;   font-size: 1rem; border-radius: var(--r-md); }
.btn-full{ width: 100%; }

/* ── Form Controls ──────────────────────────────────────────── */
.qc-input {
  width: 100%;
  padding: 0.55rem 0.9rem;
  background: #FFFFFF;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  color: var(--t1);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.qc-input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.qc-input::placeholder { color: var(--t3); }

.qc-label {
  display: block;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--t2);
  margin-bottom: 0.35rem;
}

/* ── Legacy qc-card ─────────────────────────────────────────── */
.qc-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.qc-card:hover {
  border-color: var(--blue-border);
  box-shadow: var(--shadow-sm);
}

/* ── World Map ──────────────────────────────────────────────── */
.world-map {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--gap);
}
.stage-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.25rem 0.75rem;
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  position: relative;
  min-height: 128px;
  gap: 0.35rem;
}
.stage-node.unlocked {
  background: var(--mint-dim);
  border: 2px solid var(--mint-border);
}
.stage-node.unlocked:hover {
  background: #D1FAE5;
  border-color: var(--mint);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.stage-node.locked {
  background: #F8FAFC;
  border: 2px dashed var(--border);
  opacity: 0.5;
  cursor: not-allowed;
}
.stage-node.locked::after {
  content: '';
  position: absolute; bottom: 0.5rem; right: 0.5rem;
  width: 14px; height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Crect x='3' y='11' width='18' height='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E");
}
.stage-icon  { font-size: 2.2rem; }
.stage-num   { font-size: 0.57rem; font-weight: 700; color: var(--t3); letter-spacing: 1px; text-transform: uppercase; }
.stage-title { font-size: 0.78rem; font-weight: 600; color: var(--t1); line-height: 1.35; }

/* ── Quiz ───────────────────────────────────────────────────── */
.quiz-question-box {
  background: #FFFFFF;
  border: 2px solid var(--border-strong);
  border-radius: var(--r-xl);
  padding: 2rem;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.55;
  box-shadow: var(--shadow-md);
  color: var(--t1);
}

.quiz-timer {
  font-family: var(--font-pixel);
  font-size: 2.2rem;
  text-align: center;
  color: var(--blue);
  margin-bottom: 0.5rem;
}
.quiz-timer.danger { color: var(--red); }

.quiz-options-grid, .quiz-opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.quiz-option {
  border: none;
  border-radius: var(--r-md);
  padding: 1.25rem 1rem;
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.5rem;
}
.quiz-option:hover:not(:disabled) { transform: scale(1.03); }
.quiz-option:disabled { opacity: 0.55; cursor: not-allowed; }
.opt-A { background: linear-gradient(135deg,#DC2626,#B91C1C); box-shadow: 0 4px 14px rgba(220,38,38,0.25); }
.opt-B { background: linear-gradient(135deg,#2563EB,#1D4ED8); box-shadow: 0 4px 14px rgba(37,99,235,0.25); }
.opt-C { background: linear-gradient(135deg,#059669,#047857); box-shadow: 0 4px 14px rgba(5,150,105,0.25); }
.opt-D { background: linear-gradient(135deg,#D97706,#B45309); box-shadow: 0 4px 14px rgba(217,119,6,0.25); }
.opt-correct, .quiz-opt.correct { outline: 3px solid var(--mint); box-shadow: 0 0 18px rgba(5,150,105,0.4) !important; }
.opt-wrong,   .quiz-opt.wrong   { opacity: 0.22 !important; }

/* ── Randomizer ─────────────────────────────────────────────── */
.randomizer-display {
  background: var(--blue-dim);
  border: 2px dashed var(--blue-border);
  border-radius: var(--r-xl);
  font-family: var(--font-pixel);
  font-size: 3.8rem;
  color: var(--blue);
  text-align: center;
  padding: 1.5rem;
  min-height: 128px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: all 0.15s;
}
.randomizer-display.spinning {
  animation: flicker 0.12s linear infinite;
  border-color: var(--blue-border);
  border-style: solid;
}
.randomizer-display.result {
  color: var(--gold);
  border-color: var(--gold-border);
  border-style: solid;
  background: var(--gold-dim);
  box-shadow: var(--shadow-md);
  animation: popIn 0.4s var(--ease);
}

/* ── Caesar Cipher ──────────────────────────────────────────── */
.cipher-display {
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  letter-spacing: 3px;
  color: var(--blue);
  text-align: center;
  padding: 0.85rem;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-sm);
  margin: 0.65rem 0;
  word-break: break-all;
}
.cipher-display.neon-text-green {
  color: var(--mint);
  background: var(--mint-dim);
  border-color: var(--mint-border);
}

.key-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--blue-dim);
  outline: none;
  border: 1px solid var(--blue-border);
}
.key-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--blue);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(37,99,235,0.4);
}

/* ── Grid Game ──────────────────────────────────────────────── */
.grid-board {
  display: inline-grid;
  grid-template-columns: repeat(5, 50px);
  grid-template-rows:    repeat(5, 50px);
  gap: 3px;
  padding: 4px;
  background: var(--bg-base);
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
}
.grid-cell {
  width: 50px; height: 50px;
  background: #FFFFFF;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  border: 1px solid var(--border);
  transition: background 0.18s;
}
.grid-cell.player { background: var(--blue-dim);   border-color: var(--blue); }
.grid-cell.goal   { background: var(--mint-dim);   border-color: var(--mint); }
.grid-cell.wall   { background: var(--red-dim);    border-color: var(--red-border); }
.grid-cell.trail  { background: var(--purple-dim); border-color: var(--purple-border); }

/* ── Gacha ──────────────────────────────────────────────────── */
.gacha-orb {
  width: 140px; height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #818CF8, #4F46E5 50%, #1e1b4b);
  border: 2px solid rgba(99,102,241,0.4);
  box-shadow: 0 6px 32px rgba(79,70,229,0.28), inset 0 0 24px rgba(255,255,255,0.08);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  animation: orbFloat 3.5s ease-in-out infinite;
  margin: 0 auto;
}
.gacha-orb:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 48px rgba(79,70,229,0.42), inset 0 0 24px rgba(255,255,255,0.12);
}

.gacha-machine {
  background: linear-gradient(135deg, var(--purple-dim), var(--blue-dim));
  border: 1px solid var(--purple-border);
  border-radius: var(--r-xl);
  padding: 2rem;
  text-align: center;
}

.card-common    { border-color: var(--border)         !important; }
.card-rare      { border-color: var(--blue-border)    !important; box-shadow: 0 2px 12px rgba(37,99,235,0.15)  !important; }
.card-legendary { border-color: var(--gold-border)    !important; box-shadow: 0 2px 16px rgba(217,119,6,0.22)  !important; }
.rarity-common    { color: var(--t3); }
.rarity-rare      { color: var(--blue); }
.rarity-legendary { color: var(--gold); }

/* ── Tables ─────────────────────────────────────────────────── */
.qc-table { width: 100%; border-collapse: collapse; }
.qc-table th {
  font-size: 0.67rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--t2);
  padding: 0.6rem 0.8rem;
  border-bottom: 2px solid var(--blue-border);
  text-align: left;
  background: var(--blue-dim);
}
.qc-table td {
  padding: 0.62rem 0.8rem;
  font-size: 0.87rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--t1);
}
.qc-table tr:hover td { background: var(--bg-hover); }

/* ── Toast ──────────────────────────────────────────────────── */
.qc-toast {
  position: fixed;
  top: 1rem; right: 1rem;
  background: var(--t1);
  border-radius: var(--r-md);
  padding: 0.7rem 1.2rem;
  color: #FFFFFF;
  font-size: 0.87rem;
  font-family: var(--font-ui);
  box-shadow: var(--shadow-lg);
  z-index: 9998;
  max-width: 340px;
  animation: toastSlide 0.3s var(--ease);
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner, .qc-spinner {
  width: 30px; height: 30px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 1.5rem auto;
}

/* ── Analytics ──────────────────────────────────────────────── */
.analytics-row, .analytics-stat {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.6rem;
}
.analytics-label { width: 44px; font-size: 0.7rem; font-weight: 700; color: var(--t2); text-align: right; flex-shrink: 0; }
.analytics-track, .analytics-bar-wrap {
  flex: 1; background: #F1F5F9; border-radius: 99px; height: 10px; overflow: hidden;
}
.analytics-fill, .analytics-bar-fill {
  height: 100%; border-radius: 99px; transition: width 1s var(--ease);
}
.analytics-value, .analytics-val { width: 36px; font-size: 0.77rem; color: var(--t2); flex-shrink: 0; font-weight: 600; }

/* Leaderboard rank colours */
.rank-1 { color: var(--gold); font-weight: 700; }
.rank-2 { color: #64748B; }
.rank-3 { color: var(--coral); }

/* ── Divider ────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
}

/* ── Stat row (legacy) ──────────────────────────────────────── */
.stat-row { margin-bottom: 0.7rem; }
.stat-label { display: flex; justify-content: space-between; font-size: 0.75rem; font-weight: 700; margin-bottom: 3px; color: var(--t1); }
.stat-bar-wrap, .xp-bar-wrap { background: #F1F5F9; border-radius: 99px; height: 6px; overflow: hidden; }
.stat-bar-fill, .xp-bar-fill { height: 100%; border-radius: 99px; transition: width 0.7s var(--ease); }

/* ── Mobile Bottom Nav ──────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(37,99,235,0.07);
  padding: 0.4rem 0;
  z-index: 200;
  justify-content: space-around;
  overflow-x: auto;
  scrollbar-width: none;
}
.mobile-nav::-webkit-scrollbar { display: none; }
.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--t3);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  padding: 0.25rem 0.4rem;
  border-radius: var(--r-sm);
  transition: color var(--dur) var(--ease);
  flex-shrink: 0;
  white-space: nowrap;
}
.mobile-nav-item .mn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
}
.mobile-nav-item .mn-icon svg { width: 20px; height: 20px; stroke-width: 1.8; }
.mobile-nav-item.active { color: var(--blue); }

/* ── Lucide icon sizing helpers ─────────────────────────────── */
.icon-sm  { width: 14px; height: 14px; }
.icon-md  { width: 18px; height: 18px; }
.icon-lg  { width: 22px; height: 22px; }
.icon-xl  { width: 28px; height: 28px; }

/* ── Animations ─────────────────────────────────────────────── */
.fade-in { animation: fadeUp 0.3s var(--ease); }

@keyframes fadeUp    { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes toastSlide{ from { transform: translateX(110%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes spin      { to { transform: rotate(360deg); } }
@keyframes orbFloat  { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-7px); } }
@keyframes popIn     { 0%{ transform: scale(0.82); opacity: 0.4; } 60%{ transform: scale(1.06); } 100%{ transform: scale(1); opacity: 1; } }
@keyframes flicker   { 0%,100%{ opacity: 1; } 50%{ opacity: 0.6; } }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .bento-4 { grid-template-columns: repeat(2, 1fr); }
  .bento .col-3, .bento .col-4 { grid-column: span 2; }
  .bento .col-5, .bento .col-7 { grid-column: span 2; }
}

@media (max-width: 640px) {
  .page-content { padding: 0.75rem 0.75rem 5rem; }
  .topnav { padding: 0 1rem; gap: 0.6rem; }
  .topnav-tabs { display: none; }
  .bento-4, .bento-3, .bento-2 { grid-template-columns: 1fr; }
  .bento .col-1, .bento .col-2, .bento .col-3,
  .bento .col-4, .bento .col-5, .bento .col-7,
  .bento .col-12 { grid-column: span 1; }
  .bento .row-2 { grid-row: span 1; }
  .quiz-options-grid, .quiz-opts { grid-template-columns: 1fr; }
  .randomizer-display { font-size: 2.8rem; min-height: 100px; }
  .grid-board { grid-template-columns: repeat(5,42px); grid-template-rows: repeat(5,42px); }
  .grid-cell  { width: 42px; height: 42px; font-size: 1.1rem; }
  .val-xl { font-size: 2rem; }
  body { padding-bottom: 68px; }
  .mobile-nav { display: flex; }
}