/* 泡泡龙对决 · page chrome. The page ground follows the current round's theme
   (--page/--page2/--hud-* are set from JS); menus use one fixed "lagoon" card. */
:root {
  color-scheme: dark;
  --page: #0b1530;
  --page2: #1d3170;
  --hud-ink: #eef3ff;
  --hud-btn: rgba(255, 255, 255, 0.14);
  --lagoon: #0f3b47;
  --lagoon-2: #17505e;
  --foam: #f2fbf7;
  --kelp: #a6d8cc;
  --yolk: #ffcf3f;
  --yolk-deep: #c99a14;
  --yolk-ink: #3b2a00;
  --display: "ZCOOL KuaiLe", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --num: "Lilita One", "Arial Rounded MT Bold", "Arial Black", sans-serif;
  --body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

html { height: 100%; box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }
[hidden] { display: none !important; }

body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  padding-inline: 16px;
  padding-block: 10px;
  background-color: var(--page);
  background-image: radial-gradient(120% 90% at 50% -10%, var(--page2), var(--page) 72%);
  color: var(--foam);
  font: 15px/1.55 var(--body);
  -webkit-text-size-adjust: 100%;
}

#app { position: relative; width: 100%; height: 100%; }

#cv {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.corner {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 4;
  display: flex;
  gap: 8px;
}
.corner.port { gap: 6px; }
.corner.port .icon-btn { inline-size: 30px; block-size: 30px; }
.corner.port .icon-btn svg { inline-size: 15px; block-size: 15px; }
.guard { pointer-events: none; }
.icon-btn {
  inline-size: 38px;
  block-size: 38px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--hud-btn);
  color: var(--hud-ink);
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.2s ease;
}
.icon-btn:hover { transform: scale(1.06); }
.icon-btn svg { inline-size: 18px; block-size: 18px; }
.icon-btn .off { display: none; }
.icon-btn.muted .on { display: none; }
.icon-btn.muted .off { display: block; }

.overlay {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-items: center;
  overflow-y: auto;
  padding-block: 6px;
  background: rgba(4, 16, 22, 0.3);
}

.card {
  position: relative;
  inline-size: min(460px, 100%);
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 22px 22px 18px;
  border-radius: 28px;
  background: rgba(15, 59, 71, 0.96);
  border: 1px solid rgba(166, 216, 204, 0.18);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.07);
}
.small-card { inline-size: min(360px, 100%); }

.logo-strip { display: block; inline-size: 100%; block-size: 44px; }
.logo-block { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.logo {
  margin: 0;
  font: 400 48px/1 var(--display);
  letter-spacing: 0.04em;
  color: var(--foam);
  text-align: center;
  text-wrap: balance;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
}
.logo span { color: var(--yolk); margin-left: 0.12em; }
.logo-en {
  margin: 0;
  font: 400 12px/1 var(--num);
  letter-spacing: 0.32em;
  color: var(--kelp);
}
.lede {
  margin: 0;
  font-size: 14px;
  color: var(--kelp);
  text-align: center;
  text-wrap: balance;
}

.opt {
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: center;
  gap: 10px;
}
.opt-label { font-size: 13px; color: var(--kelp); letter-spacing: 0.06em; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button {
  flex: 1 1 auto;
  min-inline-size: 54px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(166, 216, 204, 0.26);
  background: rgba(255, 255, 255, 0.04);
  color: var(--foam);
  font: 500 14px/1.1 var(--body);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.seg button:hover { background: rgba(255, 255, 255, 0.1); }
.seg button[aria-pressed="true"] {
  background: var(--foam);
  border-color: var(--foam);
  color: var(--lagoon);
  font-weight: 700;
}
.chip::before {
  content: "";
  display: inline-block;
  inline-size: 7px;
  block-size: 7px;
  margin-right: 6px;
  border-radius: 50%;
  vertical-align: 2px;
  background: currentColor;
  opacity: 0.35;
}
.chip[aria-pressed="true"]::before { opacity: 1; background: #22a866; }
.note { margin: -7px 0 0 80px; font-size: 12px; color: var(--kelp); }

.primary {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px 13px;
  background: var(--yolk);
  color: var(--yolk-ink);
  font: 400 24px/1 var(--display);
  letter-spacing: 0.08em;
  cursor: pointer;
  box-shadow: 0 6px 0 var(--yolk-deep), 0 12px 26px rgba(0, 0, 0, 0.28);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}
.primary:hover { filter: brightness(1.05); }
.primary:active { transform: translateY(4px); box-shadow: 0 2px 0 var(--yolk-deep), 0 6px 14px rgba(0, 0, 0, 0.25); }
.ghost {
  border: 1px solid rgba(166, 216, 204, 0.35);
  border-radius: 999px;
  padding: 12px 16px;
  background: transparent;
  color: var(--foam);
  font: 500 15px/1.1 var(--body);
  cursor: pointer;
}
.ghost:hover { background: rgba(255, 255, 255, 0.07); }
button:focus-visible, summary:focus-visible { outline: 3px solid var(--yolk); outline-offset: 2px; }

.howto summary { cursor: pointer; font-size: 13px; color: var(--kelp); }
.howto ul { margin: 8px 0 0; padding-left: 18px; display: grid; gap: 4px; font-size: 13px; color: var(--foam); }
.keys { margin: 0; font-size: 12px; line-height: 1.9; color: var(--kelp); }
kbd {
  display: inline-block;
  min-inline-size: 1.7em;
  padding: 1px 5px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--foam);
  font: 400 11px/1.4 var(--body);
  text-align: center;
}
.record { margin: 0; font-size: 12px; color: var(--kelp); text-align: center; font-variant-numeric: tabular-nums; }

.card-title { margin: 0; font: 400 36px/1.1 var(--display); text-align: center; }
.result-title { margin: 0; font: 400 46px/1.1 var(--display); text-align: center; color: var(--yolk); text-wrap: balance; }
.score { margin: -4px 0 0; font: 400 40px/1 var(--num); letter-spacing: 0.08em; text-align: center; }
.stats { inline-size: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.stats th, .stats td { padding: 6px 8px; border-bottom: 1px solid rgba(166, 216, 204, 0.14); }
.stats thead th { font-weight: 400; font-size: 13px; color: var(--kelp); text-align: right; }
.stats thead th:first-child { text-align: left; }
.stats tbody th { font-weight: 400; font-size: 14px; color: var(--kelp); text-align: left; }
.stats td { text-align: right; font: 400 17px/1.2 var(--num); }
.btns { display: flex; flex-wrap: wrap; gap: 10px; }
.btns > * { flex: 1 1 140px; }

.nojs { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; color: var(--foam); }

@media (max-width: 440px) {
  .card { padding: 18px 16px 14px; gap: 11px; border-radius: 24px; }
  .logo { font-size: 40px; }
  .opt { grid-template-columns: 1fr; gap: 6px; }
  .note { margin-left: 0; }
}
@media (max-height: 560px) {
  .lede, .howto, .logo-strip { display: none; }
  .card { gap: 9px; padding-block: 14px 12px; }
  .logo { font-size: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  .primary, .icon-btn, .seg button { transition: none; }
}