/* 基本重設（原本由 Artifact 外框提供，獨立網頁需要自己加） */
*,*::before,*::after{box-sizing:border-box}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
[hidden]{display:none!important}

/* Layout: full-bleed 3D arena canvas from the server's end; HUD floats over it — options top-left, scoreboard top-center, spin read-outs along the bottom */
:root{
  --arena:#0d1220;
  --panel:rgba(15,22,40,.8);
  --line:rgba(160,182,228,.2);
  --fg:#e8edf7;
  --muted:#9aa7c2;
  --ball:#ff8a2a;
  --good:#5fd38d;
  --bad:#ff6474;
  --f-num:"Oxanium","Noto Sans TC",ui-monospace,monospace;
  --f-body:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  color-scheme:dark;
}
html,body{height:100%;overflow:hidden}
body{background:var(--arena);color:var(--fg);font-family:var(--f-body);font-size:14px;-webkit-user-select:none;user-select:none}
#app{position:relative;height:100%;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:none}

.hud{position:absolute;inset:0;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;gap:12px;
  padding-block:12px;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
.top{display:grid;grid-template-columns:1fr auto 1fr;align-items:start;gap:12px}
.brand{display:flex;flex-direction:column;gap:8px;pointer-events:auto;justify-self:start;min-width:0}
.brand h1{margin:0;font:700 15px/1.2 var(--f-body);letter-spacing:.06em;display:flex;align-items:center;gap:8px}
.brand h1::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--ball);box-shadow:0 0 10px var(--ball)}
.menuWrap{position:relative;align-self:flex-start;display:flex;gap:6px}
.pauseIcon{display:inline-flex;gap:3px}
.pauseIcon i{display:block;width:3px;height:11px;border-radius:1px;background:currentColor}
#pauseBtn[aria-pressed="true"]{border-color:var(--ball);color:var(--ball)}
#pauseBtn[aria-pressed="true"] .pauseIcon i:first-child{width:0;height:0;border-radius:0;background:none;border-left:9px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent}
#pauseBtn[aria-pressed="true"] .pauseIcon i:last-child{display:none}
.menuBtn{display:inline-flex;align-items:center;gap:8px;background:var(--panel);color:var(--fg);border:1px solid var(--line);
  border-radius:8px;padding:7px 12px;font:500 13px var(--f-body);backdrop-filter:blur(6px)}
.menuBtn[aria-expanded="true"]{border-color:var(--ball)}
.burger{display:grid;gap:3px}
.burger i{display:block;width:14px;height:2px;border-radius:1px;background:currentColor}
.menu{position:absolute;top:calc(100% + 6px);left:0;z-index:20;width:300px;max-height:calc(100vh - 120px);overflow:auto;
  background:#121a2e;border:1px solid var(--line);border-radius:12px;padding:6px 14px 12px;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.menu section{padding-block:8px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.menu section:last-child{border-bottom:0}
.menu h2{margin:0 0 4px;font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--muted)}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:34px;font-size:13.5px;cursor:pointer}
.row.child{padding-left:14px;position:relative;font-size:13px;color:var(--muted)}
.row.child::before{content:"";position:absolute;left:3px;top:6px;width:7px;height:12px;border-left:1px solid var(--line);border-bottom:1px solid var(--line)}
.row select{background:#1b2440;color:var(--fg);border:1px solid var(--line);border-radius:6px;font:inherit;font-size:13px;padding:4px 6px;cursor:pointer;min-width:7.5em}
.row select option{background:#141b2e;color:var(--fg)}
.row select:focus-visible{outline:2px solid var(--ball);outline-offset:1px}
.sw{appearance:none;-webkit-appearance:none;flex:none;width:36px;height:20px;border-radius:999px;background:rgba(160,182,228,.22);
  position:relative;cursor:pointer;margin:0;transition:background .15s}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--fg);transition:transform .15s}
.sw:checked{background:var(--ball)}
.sw:checked::after{transform:translateX(16px);background:#1b0d02}
.sw:focus-visible{outline:2px solid var(--ball);outline-offset:2px}
@media (prefers-reduced-motion:reduce){.sw,.sw::after{transition:none}}

.score{justify-self:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px 18px 9px;
  display:grid;grid-template-columns:auto auto auto;align-items:center;column-gap:14px;text-align:center;backdrop-filter:blur(6px)}
.side{display:flex;flex-direction:column;align-items:center}
.who{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center;letter-spacing:.08em}
.who .srv{width:7px;height:7px;border-radius:50%;background:var(--ball);visibility:hidden}
.who.serving .srv{visibility:visible}
.num{font:700 42px/1.05 var(--f-num);font-variant-numeric:tabular-nums;min-width:1.4em}
.colon{font:500 26px/1 var(--f-num);color:var(--muted)}
.status{grid-column:1/-1;font-size:12px;color:var(--muted);margin-top:2px;max-width:22em}

.bottom{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr) minmax(0,300px);gap:12px;align-items:end}
#inCard{grid-column:1;grid-row:1}.help{grid-column:2;grid-row:1}#shCard{grid-column:3;grid-row:1}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-width:0;backdrop-filter:blur(6px)}
.lab{font-size:11px;letter-spacing:.16em;color:var(--muted)}
.card .main{font-size:15px;font-weight:500;margin-top:4px;font-variant-numeric:tabular-nums}
.card .sub{font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.5}
.good{color:var(--good)!important}.bad{color:var(--bad)!important}.hint{color:var(--ball)!important}
.help{justify-self:center;text-align:center;font-size:12.5px;line-height:1.7;color:var(--muted);max-width:44em}
.help b{color:var(--fg);font-weight:500}
.help .keys{color:var(--ball)}

.banner{position:absolute;left:0;right:0;top:32%;text-align:center;pointer-events:none;font:700 36px/1.2 var(--f-body);letter-spacing:.08em;
  text-shadow:0 4px 24px rgba(0,0,0,.7);padding-inline:16px}
.banner small{display:block;font-size:16px;font-weight:500;letter-spacing:.02em;margin-top:6px;color:var(--fg)}
.banner.win{color:var(--good)}.banner.lose{color:var(--bad)}.banner.let{color:var(--ball)}
.banner.pop{animation:pop .35s ease-out}
@keyframes pop{from{transform:scale(.85);opacity:0}to{transform:none;opacity:1}}
.toast{position:absolute;left:50%;top:46%;transform:translateX(-50%);background:var(--panel);border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;font-size:13px;pointer-events:none;white-space:nowrap;max-width:calc(100% - 32px);overflow:hidden;text-overflow:ellipsis}

.overlay{position:absolute;inset:0;display:grid;place-items:center;background:rgba(8,11,20,.62);pointer-events:auto;padding-inline:16px}
.overlay .box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 28px;text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center}
.final{font:700 52px/1 var(--f-num);font-variant-numeric:tabular-nums}
.overlay p{margin:0;font-size:15px}
button{font:500 14px var(--f-body);background:var(--ball);color:#1b0d02;border:0;border-radius:8px;padding:9px 20px;cursor:pointer}
button:focus-visible{outline:2px solid var(--fg);outline-offset:2px}

.rk{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 11px;width:250px;max-width:100%;display:flex;flex-direction:column;gap:6px}
.rk-name{font-size:13px;font-weight:700;display:flex;align-items:center;gap:7px}
.rk-sw{width:10px;height:10px;border-radius:3px;flex:none}
.rk-name span.mat{font-weight:400;color:var(--muted);font-size:11.5px}
.rk-bars{display:grid;grid-template-columns:auto 1fr;column-gap:8px;row-gap:4px;align-items:center;font-size:11px;color:var(--muted)}
.rk-bar{height:5px;border-radius:3px;background:rgba(160,182,228,.16);overflow:hidden}
.rk-bar i{display:block;height:100%;background:var(--ball);border-radius:3px}
.rk-note{font-size:11.5px;color:var(--muted);line-height:1.5}
@media (max-width:720px){
  .rk{display:none}
  .top{grid-template-columns:1fr;justify-items:center}
  .score{order:-1}
  .brand{justify-self:center;align-items:center}
  .menuWrap{align-self:center}
  .menu{position:fixed;left:max(16px, env(safe-area-inset-left, 0px));right:max(16px, env(safe-area-inset-right, 0px));top:auto;width:auto;margin-top:6px}
  .brand h1{display:none}
  .num{font-size:32px}
  .bottom{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
  #inCard{grid-column:1;grid-row:1}#shCard{grid-column:2;grid-row:1}
  .help{grid-column:1/-1;grid-row:2;font-size:11.5px}
  .card{padding:8px 10px}
  .card .main{font-size:13px}
  .card .sub{font-size:11.5px}
  .banner{font-size:28px}
}
@media (prefers-reduced-motion:reduce){.banner.pop{animation:none}}