:root {
  --felt: #0b6b3a;
  --felt2: #0a5e33;
  --card-w: clamp(34px, 10.5vmin, 48px);
  --card-h: clamp(48px, 14.5vmin, 66px);
  --mini-w: clamp(24px, 7vmin, 34px);
  --mini-h: clamp(34px, 9.8vmin, 48px);
  --gold: #f4c430;
  --red: #d23b3b;
  --black: #1c1c1c;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #064a28;
  color: #fff;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  background: radial-gradient(circle at 50% 38%, var(--felt), var(--felt2) 75%);
}

/* 顶栏 */
.topbar {
  display: flex; align-items: center; gap: 8px;
  padding: calc(6px + var(--safe-t)) 10px 6px;
  background: rgba(0,0,0,.25);
  font-size: 13px;
}
.badge { background: rgba(255,255,255,.15); padding: 4px 8px; border-radius: 8px; }
.badge b { color: var(--gold); }
.scores { display: flex; align-items: center; gap: 6px; }
.scores b { color: var(--gold); }
.teamA b { color: #7fd1ff; }
.teamB b { color: #ffd27f; }
.dot { opacity: .5; }
.turn { flex: 1; text-align: center; opacity: .92; min-width: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
button.ghost {
  background: rgba(255,255,255,.15); color: #fff; border: none;
  padding: 5px 10px; border-radius: 8px; font-size: 13px; cursor: pointer;
}
button.ghost:disabled { opacity: .35; }
button.primary {
  background: var(--gold); color: #1c1c1c; border: none; font-weight: 700;
  padding: 9px 18px; border-radius: 10px; font-size: 15px; cursor: pointer;
}
button.primary:disabled { opacity: .4; }

/* 牌桌 */
.table { position: relative; flex: 1; min-height: 0; overflow: visible; }
.seat { position: absolute; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.seat-top { top: 2%; left: 50%; transform: translateX(-50%); }
.seat-left { left: 6px; top: 38%; }
.seat-right { right: 6px; top: 38%; }
.seat-info {
  display: flex; gap: 6px; align-items: center;
  background: rgba(0,0,0,.28); padding: 3px 9px; border-radius: 20px; font-size: 12px;
}
.seat-info .cnt { color: var(--gold); font-weight: 700; }
.seat.active .seat-info { box-shadow: 0 0 0 2px var(--gold); }
.played { display: flex; min-height: var(--mini-h); align-items: center; }

/* 中央出牌区 */
.center {
  position: absolute; top: 52%; left: 50%; transform: translate(-50%, -50%);
  width: 86%; text-align: center; pointer-events: none;
}
.center-combo { display: flex; justify-content: center; flex-wrap: wrap; gap: 3px; min-height: var(--mini-h); align-items: center; }
.center-seat { font-size: 12px; opacity: .8; margin-top: 4px; min-height: 16px; }

/* 手牌 */
.hand-area { padding: 6px 0 calc(6px + var(--safe-b)); }
.hand {
  display: flex; justify-content: center; align-items: flex-end;
  min-height: var(--card-h); height: var(--card-h); padding: 0 6px; overflow-x: auto; overflow-y: visible;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.hand::-webkit-scrollbar { display: none; }

/* 牌 */
.card {
  position: relative; flex: 0 0 auto;
  width: var(--card-w); height: var(--card-h);
  background: #fff; border-radius: 6px; margin-left: calc(var(--card-w) * -0.42);
  box-shadow: 0 1px 3px rgba(0,0,0,.4);
  color: var(--black); font-weight: 700;
  transition: transform .12s ease, box-shadow .12s ease;
  border: 1px solid #ddd;
}
.card:first-child { margin-left: 0; }
.hand .card { cursor: pointer; }
.card.red { color: var(--red); }
.card .corner {
  position: absolute; top: 2px; left: 3px; font-size: 11px; line-height: 1; text-align: center;
}
.card .corner .s { display: block; font-size: 10px; }
.card .pip { position: absolute; bottom: 2px; right: 3px; font-size: 16px; }
.card .mid { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-size: 18px; }
.card.sel { transform: translateY(-16px); box-shadow: 0 4px 10px rgba(0,0,0,.5); }
.card.wild { border: 2px solid var(--gold); box-shadow: 0 0 8px rgba(244,196,48,.7); }
.card.wild::after { content: "★"; position: absolute; top: 1px; right: 2px; font-size: 9px; color: var(--gold); }
.card.joker .mid { font-size: 15px; }

/* 小牌(用于出牌展示) */
.mini {
  position: relative; width: var(--mini-w); height: var(--mini-h); background: #fff; border-radius: 5px;
  color: var(--black); font-weight: 700; border: 1px solid #ccc; flex: 0 0 auto;
  box-shadow: 0 1px 2px rgba(0,0,0,.4);
}
.played .mini { margin-left: calc(var(--mini-w) * -0.45); }
.played .mini:first-child { margin-left: 0; }
.center-combo .mini { margin-left: calc(var(--mini-w) * -0.38); }
.center-combo .mini:first-child { margin-left: 0; }
.mini.red { color: var(--red); }
.mini .corner { position: absolute; top: 2px; left: 3px; font-size: 9px; line-height: 1; }
.mini .corner .s { display: block; font-size: 8px; }
.mini .mid { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-size: 13px; }
.mini.wild { border: 2px solid var(--gold); }

/* 动作栏 */
.actions {
  display: flex; gap: 10px; padding: 8px 12px calc(8px + var(--safe-b));
  background: rgba(0,0,0,.2);
}
.actions .ghost { flex: 1; }
.actions .primary { flex: 2; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 92px; transform: translateX(-50%);
  background: rgba(0,0,0,.8); padding: 8px 16px; border-radius: 20px;
  font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50;
}
.toast.show { opacity: 1; }

/* Overlay */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.overlay.hidden { display: none; }
.dialog {
  background: #fff; color: #1c1c1c; border-radius: 14px; padding: 22px;
  width: 80%; max-width: 320px; text-align: center;
}
.dialog h2 { margin: 0 0 10px; }
.dialog p { margin: 0 0 18px; font-size: 14px; line-height: 1.6; white-space: pre-line; }

/* 矮屏/横屏进一步压缩 */
@media (max-height: 520px) {
  :root {
    --card-w: clamp(30px, 9vmin, 40px);
    --card-h: clamp(42px, 12.5vmin, 56px);
    --mini-w: clamp(20px, 6vmin, 28px);
    --mini-h: clamp(28px, 8.5vmin, 40px);
  }
  .topbar { padding-top: calc(2px + var(--safe-t)); padding-bottom: 2px; font-size: 12px; }
  .seat-info { padding: 2px 7px; font-size: 11px; }
  .actions { padding: 5px 10px calc(5px + var(--safe-b)); gap: 8px; }
  button.primary { padding: 7px 14px; font-size: 14px; }
  button.ghost { padding: 4px 8px; font-size: 12px; }
}