:root {
  --bg: #14121c;
  --surface: #1e1b29;
  --surface-2: #272336;
  --line: rgba(255, 255, 255, 0.1);
  --ink: #ffffff;
  --ink-soft: rgba(255, 255, 255, 0.66);
  --accent: #ffd542;
  --accent-ink: #14121c;
  --radius: 18px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1080px; margin: 0 auto; padding: 20px 16px;
}
.brand { font-weight: 800; font-size: 20px; letter-spacing: -0.02em; text-decoration: none; }
.brand span { color: var(--accent); }
.site-nav { display: flex; gap: 18px; font-size: 14px; color: var(--ink-soft); }
.site-nav a { text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
main { max-width: 1080px; margin: 0 auto; padding: 8px 16px 64px; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.1; letter-spacing: -0.03em; margin: 12px 0 12px; }
.hero p { color: var(--ink-soft); max-width: 640px; margin: 0 0 32px; }
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.game-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.game-card img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--surface-2); }
.game-card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.game-card h2 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
.game-card .tagline { color: var(--ink-soft); margin: 0; }
.game-card .meta { font-size: 13px; color: var(--ink-soft); margin: 2px 0 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line);
  font: 600 15px/1 inherit; text-decoration: none; cursor: pointer; background: var(--surface-2); color: var(--ink);
}
.button.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.button:hover { filter: brightness(1.08); }
.button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.notice { color: var(--ink-soft); padding: 32px 0; }
.site-footer {
  max-width: 1080px; margin: 0 auto; padding: 24px 16px 40px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--ink-soft);
}

/* Browser player */
.player { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px; align-items: start; }
.stage {
  width: min(360px, calc(100vw - 32px)); aspect-ratio: 9 / 16; border-radius: 22px; overflow: hidden;
  background: #000; position: relative; border: 1px solid var(--line);
}
.stage iframe { width: 100%; height: 100%; border: 0; display: block; }
.stage .loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-soft); font-size: 14px; }
.panel { display: flex; flex-direction: column; gap: 18px; }
.panel h1 { font-size: 30px; margin: 0; letter-spacing: -0.02em; }
.panel .tagline { color: var(--ink-soft); margin: -10px 0 0; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.controls label { font-size: 14px; color: var(--ink-soft); display: flex; gap: 8px; align-items: center; }
select {
  min-height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface-2);
  color: var(--ink); padding: 0 10px; font: inherit;
}
.seats { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.seats li {
  display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--line); font-size: 14px;
}
.seats li.turn { border-color: var(--accent); }
.seats .status { color: var(--ink-soft); }
.result { padding: 14px 16px; border-radius: 14px; background: var(--surface-2); }
.result h2 { margin: 0 0 6px; font-size: 18px; }
.hint { font-size: 13px; color: var(--ink-soft); margin: 0; }
@media (max-width: 760px) {
  .player { grid-template-columns: 1fr; justify-items: center; }
  .panel { width: 100%; }
}