:root {
  --bg: #141317;
  --surface: #232227;
  --line: #3f3f46;
  --text: #e4e4e7;
  --muted: #a1a1aa;
  --mono: "Space Mono", ui-monospace, monospace;
  --correct: #22c55e;
  --wrong: #ef4444;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}
.logo { font-size: 22px; font-weight: 800; letter-spacing: 0.02em; }
.logo span { font-size: 13px; font-weight: 600; color: var(--muted); margin-left: 6px; letter-spacing: 0.08em; text-transform: uppercase; }
.scores { display: flex; gap: 16px; font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: 0.08em; }
.scores b { font-family: var(--mono); font-size: 18px; color: var(--text); margin-left: 4px; }

main {
  flex: 1;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 16px 8px;
}

/* Two cards side by side */
.arena {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
  gap: 16px;
}
.vs { align-self: center; font-family: var(--mono); font-weight: 700; color: var(--muted); }

.slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 16px;
  min-height: 300px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.slot.pickable { cursor: pointer; user-select: none; }
.slot.pickable:hover { border-color: #a855f7; box-shadow: 0 0 0 1px #a855f7, 0 0 18px rgba(217, 70, 239, 0.35); }
.slot.pickable:active { transform: translateY(1px); }
.slot.correct { border-color: var(--correct); box-shadow: 0 0 0 1px var(--correct), 0 0 24px rgba(34, 197, 94, 0.25); }
.slot.wrong { border-color: var(--wrong); box-shadow: 0 0 0 1px var(--wrong), 0 0 24px rgba(239, 68, 68, 0.25); }

/* Number card, colored by roll rarity */
.numcard {
  width: 100%;
  max-width: 280px;
  padding: 14px 8px;
  text-align: center;
  border-radius: 12px;
  border: 2px solid var(--tb, #52525b);
  background: linear-gradient(135deg, var(--t1, #27272a), #27272a 50%, var(--t2, var(--t1, #27272a)));
  box-shadow: var(--glow, none);
}
.num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 44px;
  letter-spacing: 0.02em;
  color: #f4f4f5;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.45), 0 0 12px rgba(255, 255, 255, 0.15);
}

.meta { display: flex; flex-direction: column; align-items: center; gap: 6px; min-height: 52px; }
.rank { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; color: var(--pt); }

.badges { display: flex; flex-wrap: wrap; max-width: 100%; justify-content: center; gap: 6px; }
.more { font-size: 12px; color: var(--muted); align-self: center; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 12px;
  border-radius: 999px;
  color: var(--pt);
  background: var(--pb);
  border: 1px solid var(--pbd);
  white-space: nowrap;
}
.pill.ep { font-family: var(--mono); font-weight: 700; font-size: 15px; padding: 4px 14px; letter-spacing: 0.04em; }

/* Rarity tiers (dark-mode colors from rngdle) */
.tier-hidden   { --pt: #a1a1aa; --pb: #27272a; --pbd: #52525b; }
.tier-trash    { --t1: rgba(120, 53, 15, 0.6);  --tb: #92400e; --pt: #fcd34d; --pb: rgba(69, 26, 3, 0.4);   --pbd: rgba(146, 64, 14, 0.6); }
.tier-common   { --t1: rgba(63, 63, 70, 0.5);   --tb: #71717a; --pt: #d1d5db; --pb: #27272a;               --pbd: #52525b; }
.tier-uncommon { --t1: rgba(6, 78, 59, 0.6);    --tb: #065f46; --pt: #34d399; --pb: rgba(2, 44, 34, 0.4);   --pbd: rgba(6, 95, 70, 0.6);  --glow: 0 0 12px rgba(16, 185, 129, 0.25); }
.tier-rare     { --t1: rgba(30, 58, 138, 0.6);  --tb: #1e40af; --pt: #60a5fa; --pb: rgba(23, 37, 84, 0.4);  --pbd: rgba(30, 64, 175, 0.6); --glow: 0 0 14px rgba(59, 130, 246, 0.35); }
.tier-epic     { --t1: rgba(88, 28, 135, 0.6);  --tb: #6b21a8; --pt: #c084fc; --pb: rgba(59, 7, 100, 0.4);  --pbd: rgba(107, 33, 168, 0.6); --glow: 0 0 16px rgba(168, 85, 247, 0.4); }
.tier-anomaly  { --t1: rgba(124, 45, 18, 0.6);  --tb: #9a3412; --pt: #fb923c; --pb: rgba(67, 20, 7, 0.4);   --pbd: rgba(154, 52, 18, 0.6); --glow: 0 0 18px rgba(249, 115, 22, 0.4); }
.tier-mythic   { --t1: rgba(136, 19, 55, 0.55); --t2: rgba(22, 78, 99, 0.55); --tb: #be185d; --pt: #f87171; --pb: rgba(69, 10, 10, 0.4); --pbd: rgba(157, 23, 77, 0.6); --glow: 0 0 20px rgba(236, 72, 153, 0.4), 0 0 36px rgba(168, 85, 247, 0.2); }

/* Controls */
.panel { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-top: 20px; }
.prompt { margin: 0; font-weight: 600; letter-spacing: 0.04em; color: var(--muted); text-align: center; }
.prompt b { font-family: var(--mono); color: var(--text); }
.over[hidden] { display: none; }

.btn {
  min-width: 170px;
  padding: 14px 24px;
  font: 800 20px Inter, system-ui, sans-serif;
  letter-spacing: 0.1em;
  color: #fff;
  background: #0a0a0a;
  border: 2px solid transparent;
  border-radius: 10px;
  background-image: linear-gradient(#0a0a0a, #0a0a0a), linear-gradient(90deg, #ec4899, #a855f7);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 0 0 14px rgba(217, 70, 239, 0.45);
  cursor: pointer;
}
.btn:hover { box-shadow: 0 0 20px rgba(217, 70, 239, 0.7); }
.btn:active { transform: translateY(1px); }

.over { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.over-title { font-family: var(--mono); font-weight: 700; font-size: 26px; color: var(--wrong); letter-spacing: 0.1em; }
.over-stats { color: var(--muted); }
.over-stats b { font-family: var(--mono); color: var(--text); }

.hint { margin: 0; font-size: 12px; color: #71717a; }

footer { padding: 12px; text-align: center; font-size: 12px; color: #71717a; }
footer a { color: var(--muted); }

@media (max-width: 680px) {
  header { padding: 12px 16px; }
  .logo span { display: none; }
  main { padding-top: 4px; }
  .arena { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .vs { display: none; }
  .slot { min-height: 0; padding: 14px 12px; gap: 8px; }
  .num { font-size: 34px; }
  .meta { min-height: 0; }
  .panel { margin-top: 12px; }
  .btn { font-size: 17px; padding: 12px 24px; }
}