:root {
  --bg: #0f212e;
  --panel: #1a2c38;
  --panel-2: #213743;
  --input: #0f212e;
  --line: #2f4553;
  --text: #b1bad3;
  --strong: #ffffff;
  --muted: #7f8ea3;
  --green: #00e701;
  --green-ink: #05260a;
  --orange: #ff9f1c;
  --red: #ed4163;
  --gold: #ffd166;
  --tile: #2f4553;
  --tile-hi: #557086;
  --radius: 8px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  -webkit-tap-highlight-color: transparent;
  min-height: 100vh;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
code { font-family: ui-monospace, Consolas, monospace; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--panel); box-shadow: 0 2px 8px rgba(0, 0, 0, .3);
}
.brand { justify-self: center; margin: 0; font-weight: 900; font-size: 20px; letter-spacing: 3px; color: var(--strong); white-space: nowrap; }
.brand::before { content: "🎲 "; letter-spacing: 0; }
.demo-tag { font-size: 12px; color: var(--muted); }
.back-btn {
  justify-self: start; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap;
  color: var(--strong); text-decoration: none; background: var(--panel-2); border-radius: 99px; padding: 6px 12px 6px 9px; font-weight: 700; font-size: 13px;
}
.back-btn span { font-size: 18px; line-height: 1; color: var(--gold); }
.top-right { justify-self: end; display: flex; align-items: center; gap: 8px; }
.back-btn:hover { background: var(--line); }
.sound-btn { background: var(--panel-2); border: 0; border-radius: 99px; width: 36px; height: 36px; }
.sound-btn.off { opacity: .45; }
.wallet { display: flex; align-items: center; gap: 8px; background: var(--input); border-radius: 99px; padding: 8px 14px; }
.wallet b { color: var(--strong); font-variant-numeric: tabular-nums; }
.coin { width: 16px; height: 16px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #ffe28a, #f5a300); display: inline-block; }
.wallet.bump b { animation: bump .5s; }
@keyframes bump { 40% { color: var(--green); transform: scale(1.12); } }

/* ---------- 跑馬燈（寬 26 個字） ---------- */
.marquee-bar { max-width: 1200px; 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, #1c3342, #0b1924);
  box-shadow: inset 0 0 0 1px rgba(255, 209, 102, .5), 0 2px 6px rgba(0, 0, 0, .3);
  -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, #fff3c4, var(--gold) 55%, #e0a93c);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (min-width: 901px) {
  .topbar { grid-template-columns: 1fr auto 1fr; } /* 桌機左右等寬，標題正中央 */
  .marquee-bar { padding-top: 14px; font-size: 16px; }
}

/* ---------- layout ---------- */
.layout {
  max-width: 1200px; margin: 0 auto; padding: 10px 12px 12px; display: grid; gap: 12px;
  grid-template-columns: 320px 1fr;
  grid-template-areas: "panel stage" "tables stage";
  align-items: start;
}
.panel { grid-area: panel; background: var(--panel); border-radius: var(--radius); padding: 14px; }
.stage { grid-area: stage; background: var(--panel); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; }
.tables { grid-area: tables; background: var(--panel); border-radius: var(--radius); overflow: hidden; }

/* ---------- panel ---------- */
.seg { display: flex; background: var(--input); border-radius: 99px; padding: 4px; margin-bottom: 12px; }
.seg button { flex: 1; border: 0; background: none; padding: 8px; border-radius: 99px; font-weight: 600; }
.seg button.on { background: var(--panel-2); color: var(--strong); }
.seg button:disabled { opacity: .45; cursor: not-allowed; }

.field { margin-bottom: 10px; }
.field label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; }
.field small { font-weight: 400; color: var(--muted); }
.input-row { display: flex; background: var(--line); border-radius: 6px; padding: 2px; gap: 2px; align-items: stretch; }
.input-row input, select, .readout {
  flex: 1; min-width: 0; width: 100%; background: var(--input); border: 2px solid transparent; border-radius: 4px;
  padding: 8px 10px; color: var(--strong); font-weight: 600; outline: none; font-variant-numeric: tabular-nums;
}
select { border: 2px solid var(--line); border-radius: 6px; padding: 8px; appearance: auto; }
.readout { border: 2px solid var(--line); border-radius: 6px; background: var(--panel-2); }
.input-row input:focus, select:focus { border-color: #557086; }
.input-row input:disabled, select:disabled { opacity: .6; }
.input-row button { border: 0; background: var(--line); padding: 0 12px; border-radius: 4px; font-weight: 700; color: var(--strong); }
.input-row button:hover { background: #3d5564; }
.input-row button:disabled { opacity: .5; cursor: not-allowed; }
.suffix { align-self: center; padding: 0 10px; color: var(--muted); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hint { font-size: 12px; color: var(--muted); margin: 4px 0 8px; }
.hint b { color: var(--strong); }
.center { text-align: center; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 6px 0 12px; }
.stats div { background: var(--input); border-radius: 6px; padding: 6px 10px; display: flex; flex-direction: column; }
.stats span { font-size: 11px; color: var(--muted); }
.stats b { color: var(--strong); font-variant-numeric: tabular-nums; font-size: 15px; }
.stats b.g { color: var(--green); }

.main-btn {
  width: 100%; border: 0; border-radius: var(--radius); padding: 14px 10px;
  font-size: 16px; font-weight: 800; background: var(--green); color: var(--green-ink);
  box-shadow: 0 4px 0 rgba(0, 0, 0, .25); transition: transform .05s, filter .15s;
  min-height: 52px; touch-action: manipulation;
}
.main-btn:hover { filter: brightness(1.08); }
.main-btn:active { transform: translateY(2px); }
.main-btn:disabled { filter: grayscale(.8) brightness(.7); cursor: not-allowed; }
.main-btn small { display: block; font-size: 12px; font-weight: 600; opacity: .85; }
.main-btn.stop { background: var(--red); color: #fff; }
.toggle { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 10px; font-size: 13px; cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--green); width: 16px; height: 16px; }

/* ---------- 選項：骰子數、點數、步進 ---------- */
.seg.tight { margin-bottom: 0; }
.seg.tight button { padding: 7px 4px; font-size: 13px; }
.chips { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.chips button, .quick button {
  background: var(--input); border-radius: 6px; padding: 8px 0; font-weight: 800; color: var(--text);
  border: 2px solid transparent; font-variant-numeric: tabular-nums;
}
.chips button.on { border-color: var(--green); color: var(--strong); background: #173a22; }
.chips button:disabled, .faces button:disabled, .stepper button:disabled, .quick button:disabled { opacity: .4; cursor: not-allowed; }

.faces { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.faces.with-any { grid-template-columns: repeat(7, 1fr); }
.faces button {
  border: 2px solid transparent; background: var(--input); border-radius: 6px; padding: 5px 0;
  display: flex; align-items: center; justify-content: center; min-height: 40px; font-size: 12px; font-weight: 700;
}
.faces button.on { border-color: var(--green); background: #173a22; color: var(--strong); }
.faces button[data-face="0"] { display: none; }
.faces.with-any button[data-face="0"] { display: flex; }

/* 小骰面（面板按鈕、紀錄、驗證用） */
.mini {
  --m: 26px; width: var(--m); height: var(--m); background: #f7f4ee; border-radius: 22%; display: inline-grid;
  grid-template: repeat(3, 1fr) / repeat(3, 1fr); padding: calc(var(--m) * .14); box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .25); vertical-align: middle;
}
.mini i { width: 80%; height: 80%; margin: auto; border-radius: 50%; background: #1d1d24; }
.mini.red i { background: #d4203a; }
.mini.big1 i { width: 100%; height: 100%; }
.row .mini { --m: 15px; margin-right: 2px; box-shadow: none; }
.row .mini.hl { outline: 2px solid var(--green); }
.mini.ig { --m: 1.15em; margin: -2px 2px 0; vertical-align: middle; box-shadow: none; }
.pill .mini.ig { outline: 1px solid rgba(0, 0, 0, .25); }

.stepper { display: grid; grid-template-columns: 48px 1fr 48px; background: var(--line); border-radius: 6px; padding: 2px; gap: 2px; }
.stepper button { border: 0; background: var(--panel-2); border-radius: 4px; font-size: 22px; font-weight: 700; color: var(--strong); touch-action: manipulation; }
.stepper button:hover { background: #3d5564; }
.stepper output { background: var(--input); border-radius: 4px; text-align: center; font-size: 24px; font-weight: 900; color: var(--strong); padding: 4px 0; font-variant-numeric: tabular-nums; }
.quick { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-top: 6px; }
.quick button.on { border-color: var(--gold); color: var(--gold); }
.stats b.warn { color: var(--red); }

/* ---------- stage ---------- */
.recent { display: flex; justify-content: flex-start; gap: 6px; padding: 10px 12px; min-height: 46px; overflow: hidden; }
.pill { flex: none; border-radius: 99px; padding: 4px 10px; font-weight: 800; font-size: 13px; color: var(--green-ink); background: var(--green); font-variant-numeric: tabular-nums; animation: popin2 .25s ease-out; }
.pill.l { background: var(--panel-2); color: var(--text); }
@keyframes popin2 { from { transform: scale(.5); opacity: 0; } }

.tray {
  --ds: 64px;
  position: relative; margin: 0 12px; height: clamp(250px, 30vw, 330px); border-radius: 14px; overflow: hidden;
  background: radial-gradient(ellipse at 50% 40%, #1f6b4a 0%, #134832 55%, #0b2c20 100%);
  box-shadow: inset 0 0 0 6px #5a3a1e, inset 0 0 0 9px #3b2412, inset 0 12px 40px rgba(0, 0, 0, .55);
  touch-action: manipulation; cursor: pointer; user-select: none;
}
.tray::before { /* 絨布紋理 */
  content: ""; position: absolute; inset: 0; opacity: .1; pointer-events: none;
  background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, .5) 0 1px, transparent 1px 4px);
}
.tray.thud { animation: thud .18s ease-out; }
.tray.shaking { animation: shaking .09s ease-in-out infinite alternate; }
@keyframes shaking { from { transform: translateX(-2px) rotate(-.3deg); } to { transform: translateX(2px) rotate(.3deg); } }
@keyframes thud { 40% { transform: translateY(3px); } }

.die { position: absolute; left: 0; top: 0; width: var(--ds); height: var(--ds); transform-style: preserve-3d; will-change: transform; transition: opacity .3s; }
.die-shadow {
  position: absolute; left: 0; top: 0; width: var(--ds); height: var(--ds); border-radius: 30%;
  background: rgba(0, 0, 0, .55); filter: blur(5px); will-change: transform, opacity;
}
.lift, .cube { width: 100%; height: 100%; position: relative; transform-style: preserve-3d; }
.face, .core { position: absolute; inset: 0; border-radius: 14%; background: #f7f4ee; }
.face {
  display: grid; grid-template: repeat(3, 1fr) / repeat(3, 1fr); padding: 13%; backface-visibility: hidden;
  box-shadow: inset 0 0 calc(var(--ds) * .14) rgba(90, 70, 40, .35);
}
.core { background: #d9d3c6; border-radius: 0; inset: 7%; }
.face i { width: 76%; height: 76%; margin: auto; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #555, #111); box-shadow: inset 0 2px 2px rgba(0, 0, 0, .6); }
.face.red i { background: radial-gradient(circle at 40% 35%, #ff5a6a, #b0101f); }
.face.big1 i { width: 100%; height: 100%; }
.f1 { transform: translateZ(calc(var(--ds) / 2)); }
.f6 { transform: rotateY(180deg) translateZ(calc(var(--ds) / 2)); }
.f3 { transform: rotateY(90deg) translateZ(calc(var(--ds) / 2)); }
.f4 { transform: rotateY(-90deg) translateZ(calc(var(--ds) / 2)); }
.f2 { transform: rotateX(90deg) translateZ(calc(var(--ds) / 2)); }
.f5 { transform: rotateX(-90deg) translateZ(calc(var(--ds) / 2)); }
.cx { transform: rotateY(90deg); }
.cy { transform: rotateX(90deg); }
.die.hl .face { box-shadow: inset 0 0 calc(var(--ds) * .14) rgba(90, 70, 40, .35), 0 0 0 3px var(--green), 0 0 18px rgba(0, 231, 1, .8); }
.die.dim { opacity: .45; }

/* 單行結果看板：高度約 40px（layout() 以 RESULT_H 預留） */
.result {
  position: absolute; left: 50%; top: 10px; transform: translateX(-50%); z-index: 5; pointer-events: none;
  background: rgba(15, 33, 46, .92); border: 2px solid var(--line); border-radius: 10px; padding: 3px 14px;
  display: flex; align-items: baseline; gap: 10px; animation: drop .3s ease-out; white-space: nowrap;
}
.result b { font-size: 21px; color: var(--strong); font-variant-numeric: tabular-nums; line-height: 1.4; }
.result span { font-weight: 700; font-size: 13px; }

/* 點擊提示：線條手指在托盤右側輕點，閒置時淡入 */
.tap-hint {
  position: absolute; right: 6px; top: 50%; width: 40px; margin-top: -30px; z-index: 4; pointer-events: none;
  display: flex; flex-direction: column; align-items: center; color: rgba(255, 255, 255, .75);
  opacity: 0; transition: opacity .25s;
}
.tap-hint.show { opacity: 1; transition: opacity .6s .9s; }
.tap-hint svg { width: 30px; height: 30px; animation: tap 1.8s ease-in-out infinite; position: relative; z-index: 1; }
.tap-hint .ripple {
  position: absolute; top: -5px; left: 9px; width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .7); opacity: 0; animation: ripple 1.8s ease-out infinite;
}
.tap-hint em { font-style: normal; font-size: 10px; letter-spacing: 1px; margin-top: 4px; 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; } }
.result.win { border-color: var(--green); box-shadow: 0 0 30px rgba(0, 231, 1, .35); }
.result.win b, .result.win span { color: var(--green); }
.result.lose span { color: var(--red); }
@keyframes drop { from { transform: translate(-50%, -12px) scale(.8); opacity: 0; } }

.bet-line { text-align: center; padding: 10px 12px 4px; font-size: 13px; }
.bet-line b { color: var(--strong); }
.bet-line .g { color: var(--green); }

.dist-wrap { padding: 4px 12px 10px; }
.dist-head { display: flex; justify-content: space-between; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-bottom: 6px; gap: 4px 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin: 0 3px 0 8px; vertical-align: -1px; }
.legend .lw { background: var(--green); }
.legend .ll { background: var(--line); }
.dist { display: flex; align-items: flex-end; gap: 2px; height: 110px; padding-top: 12px; }
.bar { flex: 1; min-width: 0; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; border: 0; background: none; padding: 0; position: relative; }
.bar .col { background: var(--line); border-radius: 3px 3px 0 0; min-height: 2px; transition: height .25s, background .2s; }
.bar.w .col { background: var(--green); }
.bar:hover .col { filter: brightness(1.3); }
.bar .lbl { font-size: 10px; color: var(--muted); text-align: center; height: 14px; line-height: 14px; font-variant-numeric: tabular-nums; }
.bar.w .lbl { color: var(--strong); }
.bar.t .lbl { color: var(--gold); font-weight: 800; }
.bar.hit .col { box-shadow: 0 0 0 2px #fff, 0 0 14px rgba(255, 255, 255, .6); }
.bar.hit::before { content: "▼"; position: absolute; left: 50%; top: -12px; transform: translateX(-50%); font-size: 10px; color: #fff; }
.bar.nl .lbl { visibility: hidden; }
.triple-note { margin: 12px 0; text-align: center; font-size: 13px; }
.triple-note b { color: var(--strong); }

.stage-foot { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; padding: 10px 14px; border-top: 1px solid var(--line); font-size: 13px; margin-top: auto; }
.stage-foot b { color: var(--strong); font-variant-numeric: tabular-nums; }
.link { margin-left: auto; background: none; border: 0; color: var(--muted); text-decoration: underline; padding: 0; }
.link:hover { color: var(--strong); }

/* ---------- tables ---------- */
.tabs { display: flex; border-bottom: 1px solid var(--line); }
.tabs button { flex: 1; border: 0; background: none; padding: 10px; font-weight: 600; border-bottom: 2px solid transparent; }
.tabs button.on { color: var(--strong); border-bottom-color: var(--green); }
.tab-body { padding: 10px 12px; max-height: 380px; overflow: auto; }
.summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-bottom: 8px; }
.summary div { background: var(--input); border-radius: 6px; padding: 6px 8px; font-size: 11px; color: var(--muted); }
.summary b { display: block; color: var(--strong); font-size: 14px; font-variant-numeric: tabular-nums; }
.summary b.g { color: var(--green); }
.summary b.r { color: var(--red); }
/* 骰子欄固定放得下 6 顆小骰（15px + 2px 間距 + 高亮外框） */
.list-head, .row { display: grid; grid-template-columns: .6fr 1.3fr 106px .8fr .9fr; gap: 6px; font-size: 12px; padding: 5px 4px; font-variant-numeric: tabular-nums; align-items: center; }
.list-head.four, .row.four { grid-template-columns: .8fr 1fr 1fr 1fr; }
.list-head { color: var(--muted); }
.row { border-radius: 4px; }
.row:nth-child(odd) { background: rgba(255, 255, 255, .03); }
.row .g { color: var(--green); }
.row .r { color: var(--red); }
.row .x { color: var(--muted); opacity: .5; }
.row.cur { outline: 1px solid var(--gold); }
.row .dl { white-space: nowrap; overflow: hidden; }
.empty { color: var(--muted); padding: 16px; text-align: center; }
.rules { font-size: 13px; }
.rules h4 { color: var(--strong); margin: 12px 0 4px; }
.rules ol { padding-left: 18px; margin: 4px 0; }
.rules li { margin-bottom: 4px; }
.rules b { color: var(--strong); }
.rules code { color: var(--gold); font-size: 12px; }

/* ---------- modal ---------- */
.modal { border: 0; padding: 0; background: none; color: var(--text); max-width: min(520px, calc(100vw - 24px)); width: 100%; }
.modal::backdrop { background: rgba(0, 0, 0, .6); }
.modal-card { background: var(--panel); border-radius: 12px; padding: 16px; }
.modal h3 { margin: 0 0 12px; color: var(--strong); }
.modal h4 { margin: 8px 0; color: var(--strong); }
.modal hr { border: 0; border-top: 1px solid var(--line); margin: 12px 0; }
.hash { display: block; word-break: break-all; background: var(--input); padding: 8px; border-radius: 6px; font-size: 12px; }
.verify-out { font-size: 12px; margin: 6px 0; word-break: break-all; }
.verify-out .g { color: var(--green); }
.verify-out .r { color: var(--red); }
.verify-out .mini { --m: 30px; margin: 8px 4px 0 0; }
.modal-actions { margin-top: 12px; }

/* ---------- mobile ---------- */
@media (max-width: 900px) {
  .topbar { padding: 8px 10px; gap: 6px; }
  .brand { font-size: 17px; letter-spacing: 2px; }
  .brand::before { content: none; }
  .top-right { gap: 6px; }
  .sound-btn { width: 32px; height: 32px; }
  .wallet { padding: 7px 10px; gap: 6px; }
  .stage-foot .demo-tag { width: 100%; order: 3; }
  .layout { grid-template-columns: 1fr; grid-template-areas: "stage" "panel" "tables"; padding: 8px; gap: 8px; }
  .tray { height: 240px; margin: 0 8px; }
  .recent { padding: 8px; min-height: 40px; }
  .dist { height: 84px; }
  .panel { padding: 12px; }
  .layout { padding-bottom: calc(8px + env(safe-area-inset-bottom)); }
  .panel .hint.center { display: none; }
  /* 跟珠珠寶貝一致：擲骰按鈕放在投注區塊最上方，隨下方區塊一起捲動（不固定在畫面底部） */
  .panel { display: flex; flex-direction: column; }
  .main-btn#mainBtn { order: -2; margin-bottom: 4px; }
  .panel .toggle { order: -1; margin: 6px 0 12px; }
}
@media (max-width: 380px) {
  .wallet { padding: 6px 10px; }
  .stats b { font-size: 13px; }
  .list-head, .row { font-size: 11px; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .tray.thud, .tray.shaking, .result, .pill { animation: none; }
  .marquee-track { animation-duration: 60s !important; }
}