:root {
  --bg: #0c0a12;
  --panel: rgba(18, 15, 26, 0.94);
  --line: rgba(255, 255, 255, 0.1);
  --text: #f0ecf6;
  --muted: #a29cb0;
  --accent: #ff8a1f;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); }
body { -webkit-user-select: none; user-select: none; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

#scene { position: fixed; inset: 0; }
#scene canvas { display: block; }

/* ── Screens ─────────────────────────────────────────────────────────────── */

.screen {
  position: fixed; inset: 0; z-index: 10; overflow-y: auto;
  display: flex; flex-direction: column; align-items: center;
  padding: max(16px, env(safe-area-inset-top)) 16px 24px;
}
#menu {
  background:
    radial-gradient(ellipse at 75% 10%, rgba(255, 138, 31, 0.16), transparent 55%),
    radial-gradient(ellipse at 15% 90%, rgba(170, 80, 255, 0.16), transparent 50%),
    linear-gradient(160deg, #18121f 0%, #0a080e 100%);
}
#pause, #over { background: rgba(8, 6, 12, 0.6); backdrop-filter: blur(3px); justify-content: center; }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.menu-panel { width: min(440px, 100%); display: flex; flex-direction: column; gap: 10px; text-align: center; }
.menu-panel > button {
  padding: 11px 10px; border-radius: 10px; font-weight: 600;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line);
}
.menu-panel > button:hover { background: rgba(255, 255, 255, 0.1); }
button.primary { background: linear-gradient(180deg, #ffa64d, #e8700c) !important; border: 0 !important; color: #1a0d00; font-weight: 800; }
button.big { font-size: 20px; padding: 14px; letter-spacing: 0.08em; }
h2 { margin: 0; font-size: 28px; letter-spacing: 0.06em; }

.menu-head { width: min(1100px, 100%); text-align: center; }
.logo {
  margin: 4px 0 0; font-size: clamp(46px, 11vw, 80px); letter-spacing: 0.16em; font-weight: 900;
  background: linear-gradient(180deg, #fff3c4 10%, #ff8a1f 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 18px rgba(255, 138, 31, 0.35));
}
.tag { margin: 2px 0 12px; color: var(--muted); }
.menu-tools { display: flex; gap: 8px; justify-content: center; }
.menu-tools input {
  flex: 1; max-width: 420px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06); outline: none;
}
.menu-tools button { padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.06); }
.help { margin: 10px auto 0; max-width: 720px; text-align: left; color: var(--muted); font-size: 14px; }
.help summary { cursor: pointer; text-align: center; }
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-top: 10px; }
.help b { color: var(--text); }
.touch-help { margin: 10px 0 0; }
body.touch .help-grid { display: none; }

.grid {
  width: min(1100px, 100%); margin-top: 16px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px;
}
.card {
  position: relative; text-align: left; border-radius: 12px; border: 1px solid var(--line); padding: 0; overflow: hidden;
  background: #16121c; transition: transform 0.1s, border-color 0.1s;
}
.card:hover { transform: translateY(-2px); border-color: var(--card-accent); }
.card .art { height: 86px; display: flex; align-items: center; justify-content: center; padding: 8px;
  font-weight: 900; font-size: 19px; letter-spacing: 0.04em; text-align: center; color: var(--card-accent);
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.6); }
.card .info { padding: 8px 10px 10px; }
.card .num { position: absolute; top: 6px; left: 8px; font-size: 11px; color: rgba(255, 255, 255, 0.7); }
.card p { margin: 0 0 6px; font-size: 12px; color: var(--muted); min-height: 30px; }
.card .meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }
.card .meta b { color: var(--text); }
.empty { grid-column: 1 / -1; text-align: center; color: var(--muted); }

/* ── HUD ─────────────────────────────────────────────────────────────────── */

#hud { position: fixed; inset: 0; z-index: 4; pointer-events: none; }
#hud-top {
  position: absolute; top: max(8px, env(safe-area-inset-top)); left: max(10px, env(safe-area-inset-left));
  display: flex; flex-direction: column; gap: 6px; align-items: stretch;
}
.hud-cell {
  align-items: flex-start !important;
  background: rgba(0, 0, 0, 0.55); border: 1px solid var(--line); border-radius: 10px; padding: 4px 12px;
  display: flex; flex-direction: column; align-items: center; min-width: 64px;
}
.hud-cell small { font-size: 10px; color: var(--muted); letter-spacing: 0.12em; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hud-cell b { font-size: 18px; font-variant-numeric: tabular-nums; }
.hud-cell.score b { font-size: 24px; color: var(--accent); }
#toast {
  position: absolute; top: 22%; left: 50%; transform: translateX(-50%);
  font-size: clamp(22px, 6vw, 40px); font-weight: 900; letter-spacing: 0.08em; color: #fff;
  text-shadow: 0 0 18px var(--accent), 0 3px 0 rgba(0, 0, 0, 0.7); opacity: 0; transition: opacity 0.2s; white-space: nowrap;
}
#toast.show { opacity: 1; }
#hint {
  position: absolute; bottom: max(18px, env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6); padding: 8px 14px; border-radius: 10px; font-size: 14px; color: var(--muted); white-space: nowrap;
}
body.touch #hint { bottom: 50%; }

#loading { position: fixed; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center; background: var(--bg); font-size: 20px; color: var(--muted); }

.big-score { font-size: 44px; font-weight: 900; color: var(--accent); font-variant-numeric: tabular-nums; }
#hs-form { display: flex; gap: 8px; align-items: center; justify-content: center; flex-wrap: wrap; }
#hs-form input { width: 70px; text-transform: uppercase; text-align: center; font-weight: 800; letter-spacing: 0.2em; padding: 8px; border-radius: 8px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.08); }
#hs-form button { padding: 8px 16px; border-radius: 8px; }
.hs-list { margin: 0; padding: 0 0 0 28px; text-align: left; font-variant-numeric: tabular-nums; }
.hs-list li { display: flex; justify-content: space-between; padding: 2px 0; }
.hs-list li.mine { color: var(--accent); font-weight: 800; }

/* ── Touch ───────────────────────────────────────────────────────────────── */

body.touch, body.touch #scene canvas { touch-action: none; -webkit-user-select: none; -webkit-touch-callout: none; }
#touch-ui { position: fixed; inset: 0; z-index: 3; pointer-events: none; }
.flip-zone {
  position: absolute; top: 18%; bottom: 0; width: 50%; pointer-events: auto;
  display: flex; align-items: flex-end; padding: 0 0 max(14px, env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
}
.flip-zone span {
  margin: 0 18px; padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 800; letter-spacing: 0.1em;
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.15); color: rgba(255, 255, 255, 0.7);
}
.flip-zone.down span { background: rgba(255, 138, 31, 0.5); color: #fff; }
#flip-left { left: 0; }
#flip-right { right: 0; justify-content: flex-end; }
.tb {
  pointer-events: auto; -webkit-tap-highlight-color: transparent; touch-action: none; color: #fff;
  background: rgba(20, 16, 28, 0.6); border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 12px;
  font-weight: 800; font-size: 13px; padding: 10px 14px;
}
.tb.small { padding: 10px 13px; }
.tb.plunger {
  position: absolute; right: max(12px, env(safe-area-inset-right)); bottom: calc(max(14px, env(safe-area-inset-bottom)) + 52px);
  width: 76px; height: 120px; border-radius: 16px; overflow: hidden; opacity: 0.45;
  display: flex; align-items: flex-start; justify-content: center; padding-top: 10px;
}
.tb.plunger.ready { opacity: 1; border-color: var(--accent); }
.tb.plunger span { position: relative; z-index: 1; font-size: 11px; }
#tb-plunger-fill {
  position: absolute; left: 0; right: 0; bottom: 0; height: 100%; transform-origin: bottom; transform: scaleY(0);
  background: linear-gradient(0deg, #ff8a1f, #ffd36b);
}
#touch-top { position: absolute; top: calc(max(8px, env(safe-area-inset-top)) + 58px); right: max(12px, env(safe-area-inset-right)); display: flex; gap: 8px; }

@media (max-width: 520px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .card .art { height: 70px; font-size: 15px; }
  .help-grid { grid-template-columns: 1fr; }
  .hud-cell { padding: 3px 8px; min-width: 50px; }
  .hud-cell.score b { font-size: 18px; min-width: 0; }
  #hud-top { gap: 4px; }
}