:root {
  --red: #cf161d;
  --red2: #951015;
  --wine: #4a0c10;
  --wine2: #260506;
  --gold: #ffc641;
  --gold2: #f4bc36;
  --gold-light: #fff0aa;
  --cream: #fff8e9;
  --cream2: #ebdac2;
  --ink: #4b251b;
  --muted: #89685a;
  --green: #2fd36b;
  --loss: #ff4d4d;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  background: var(--cream);
  color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  -webkit-tap-highlight-color: transparent;
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled, select:disabled, input:disabled { cursor: not-allowed; opacity: .55; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: calc(8px + env(safe-area-inset-top)) 12px 8px;
  background: linear-gradient(180deg, #6b1117, var(--wine));
  border-bottom: 3px solid var(--gold2);
  color: var(--cream);
}

.back {
  justify-self: start;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px 6px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, .25);
  border: 1px solid rgba(255, 198, 65, .45);
  color: var(--cream);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.back span:first-child { font-size: 20px; line-height: 1; color: var(--gold); }

.logo {
  justify-self: center;
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 2px;
  white-space: nowrap;
  background: linear-gradient(180deg, var(--gold-light), var(--gold) 55%, #d89b42);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 26-character marquee between the member bar and the play area. */
.marquee-bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 12px 0;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.8;
}
.marquee {
  display: block;
  width: 26em;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  padding: 1px 0;
  border-radius: 999px;
  background: linear-gradient(180deg, #5a0d12, var(--wine2));
  box-shadow: inset 0 0 0 1px rgba(255, 198, 65, .55), 0 2px 6px rgba(75, 37, 27, .2);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: marquee 20s linear infinite;
}
.marquee-track span {
  background: linear-gradient(180deg, var(--gold-light), var(--gold) 55%, #d89b42);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }


.wallet {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 4px 3px 3px;
  border-radius: 999px;
  background: rgba(0, 0, 0, .3);
}
.coin {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff2a2, var(--gold) 60%, #c98a1c);
  color: #6b351d;
  font-weight: 900;
  font-size: 14px;
}
.balance {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
}
.balance:active { transform: scale(.96); }
.wallet strong { font-size: 15px; font-variant-numeric: tabular-nums; }
.sound {
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--cream);
  font-size: 18px;
}

@media (max-width: 420px) {
  .topbar { gap: 6px; padding-left: 8px; padding-right: 8px; }
  .back { padding: 5px 9px 5px 6px; font-size: 12px; }
  .logo { font-size: 17px; letter-spacing: 1px; }
  .wallet { gap: 3px; }
  .balance { gap: 4px; }
  .wallet strong { font-size: 13px; }
  .coin { width: 20px; height: 20px; font-size: 12px; }
  .sound { width: 22px; }
}

/* ---------- layout (mobile first) ---------- */
.layout {
  display: grid;
  gap: 12px;
  padding: 12px;
  max-width: 1280px;
  margin: 0 auto;
}

.board-card {
  position: relative;
  border-radius: var(--radius);
  background:
    radial-gradient(120% 80% at 50% 0%, #6b1117 0%, transparent 70%),
    linear-gradient(180deg, #3a080b, var(--wine2));
  border: 2px solid var(--gold2);
  box-shadow: 0 6px 18px rgba(75, 37, 27, .25), inset 0 0 0 1px rgba(255, 240, 170, .15);
  overflow: hidden;
}
#board {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1.02;
}

.history {
  position: absolute;
  top: 10px;
  right: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.history li {
  min-width: 42px;
  padding: 4px 6px;
  border-radius: 6px;
  color: #3a0d08;
  font-size: 11px;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 2px 0 rgba(0, 0, 0, .35);
  animation: drop-in .25s ease-out;
}
.history li:nth-child(n+5) { opacity: .6; }
/* Tap-to-bet hint (same finger as the Dice game), in the empty top-left of the board. */
.board-card { cursor: pointer; touch-action: manipulation; user-select: none; }
.tap-hint {
  position: absolute;
  left: 8%;
  top: 22%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 240, 170, .85);
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s;
}
.tap-hint.show { opacity: 1; transition: opacity .6s .9s; }
.tap-hint svg { position: relative; z-index: 1; width: 34px; height: 34px; animation: tap 1.8s ease-in-out infinite; }
.tap-hint .ripple {
  position: absolute;
  top: -5px;
  left: 50%;
  width: 24px;
  height: 24px;
  margin-left: -8px;
  border-radius: 50%;
  border: 2px solid rgba(255, 240, 170, .75);
  opacity: 0;
  animation: ripple 1.8s ease-out infinite;
}
.tap-hint em { margin-top: 4px; font-size: 11px; font-style: normal; letter-spacing: 1px; white-space: nowrap; }
@keyframes tap { 0%, 55%, 100% { transform: translateY(0); } 30% { transform: translateY(5px) scale(.94); } }
@keyframes ripple { 0%, 28% { transform: scale(.3); opacity: 0; } 32% { opacity: .9; } 75%, 100% { transform: scale(1.6); opacity: 0; } }

@keyframes drop-in { from { transform: translateY(-8px); opacity: 0; } }

.panel {
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fffdf6, #fdf0d8);
  border: 1px solid var(--cream2);
  box-shadow: 0 4px 12px rgba(75, 37, 27, .12);
  padding: 14px;
}

/* ---------- controls ---------- */
.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: #f3e2c4;
}
.tab {
  border: 0;
  border-radius: 999px;
  padding: 9px 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}
.tab.active:disabled { opacity: 1; }
.tab.active {
  background: linear-gradient(180deg, #e33d29, var(--red2));
  color: var(--cream);
  box-shadow: 0 2px 0 #76120f;
}

.field { display: block; margin-bottom: 12px; }
.field-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.field-label small { color: var(--muted); font-weight: 500; }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

input, select {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid #e5d0aa;
  background: #fff;
  font-weight: 700;
  outline: none;
}
input:focus, select:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(207, 22, 29, .15); }

.bet-row { display: grid; grid-template-columns: 1fr 48px 48px; gap: 6px; }
.chip {
  border: 1px solid #e5d0aa;
  border-radius: 10px;
  background: #f7e8cb;
  font-weight: 900;
  color: var(--ink);
}

.sound { font-size: 14px; }
.sound.off { opacity: .6; }

/* Phone: bet button sits right under the board, above the Manual/Auto tabs. */
.controls { display: flex; flex-direction: column; }
.bet-btn { order: -1; margin: 0 0 14px; }

/* 自動投注次數：10–100 顆，滑桿或左右箭頭選 */
.count-row { display: grid; grid-template-columns: 48px 1fr 48px; gap: 6px; align-items: center; }
.count-row .chip { height: 42px; }
.count-row input[type=range] { height: 42px; padding: 0; border: 0; background: none; box-shadow: none; accent-color: var(--red); }
.count-out { color: var(--red); font-size: 15px; font-weight: 900; }

.auto-only { display: none; }
.controls.is-auto .auto-only { display: block; }

.bet-btn {
  width: 100%;
  height: 52px;
  margin-top: 2px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--gold-light), var(--gold) 50%, #e2a12a);
  box-shadow: 0 4px 0 #b9761a, 0 6px 14px rgba(185, 118, 26, .35);
  color: #6b351d;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 1px;
  transition: transform .08s;
}
.bet-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 #b9761a; }
.bet-btn.stop {
  background: linear-gradient(180deg, #e33d29, var(--red2));
  box-shadow: 0 4px 0 #76120f;
  color: var(--cream);
}

/* ---------- live stats ---------- */
.stats { background: linear-gradient(180deg, #3a080b, var(--wine2)); border-color: var(--gold2); color: var(--cream); }
.stats-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.stats-head h2 { margin: 0; font-size: 15px; color: var(--gold); }
.link-btn { border: 0; background: none; color: var(--gold-light); font-size: 13px; text-decoration: underline; }
.verify-btn { margin-left: auto; color: #5df0bb; font-weight: 900; text-decoration: none; cursor: pointer; }
.verify-btn:disabled { color: #aa8f79; cursor: not-allowed; opacity: .55; }

.stats-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 8px 12px;
  margin: 0 0 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(0, 0, 0, .25);
}
.stats-grid dt { font-size: 12px; color: #d8c398; }
.stats-grid dd { margin: 2px 0 0; font-size: 15px; font-weight: 900; font-variant-numeric: tabular-nums; }
.pos { color: var(--green); }
.neg { color: var(--loss); }

.chart {
  display: block;
  width: 100%;
  height: 140px;
  border-radius: 10px;
  background: rgba(0, 0, 0, .25);
}

/* ---------- confetti ---------- */
.confetti {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 20;
  pointer-events: none;
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translate(-50%, 20px);
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--wine);
  border: 1px solid var(--gold2);
  color: var(--cream);
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transition: .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- tablet / desktop: controls | board | stats ---------- */
@media (min-width: 900px) {
  .marquee-bar { padding: 16px 20px 0; font-size: 16px; }
  .layout {
    grid-template-columns: 280px minmax(0, 1fr) 260px;
    grid-template-areas: "controls board stats";
    align-items: start;
    padding: 20px;
  }
  .controls { grid-area: controls; }
  .controls .bet-btn { order: 0; margin: 2px 0 0; }
  .board-card { grid-area: board; }
  .stats { grid-area: stats; }
  #board { aspect-ratio: 1 / .9; }
  .history li { min-width: 52px; font-size: 13px; }
  .chart { height: 180px; }
}