:root{--navy:#0b1a2c;--panel:#12263d;--line:#21405f;--cyan:#00b8fc;--cyan2:#5fe0ff;--text:#eaf4fb;--muted:#8fb0c8;--green:#2fd56b;--red:#ff5a5f;--gold:#ffc83d;font-family:system-ui,-apple-system,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--text);background:var(--navy);-webkit-tap-highlight-color:transparent}
*{box-sizing:border-box}html,body{margin:0}body{min-height:100dvh;background:radial-gradient(1200px 600px at 70% -10%,#16365a 0,transparent 60%),var(--navy)}
button,input{font:inherit;color:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}[hidden]{display:none!important}a{color:var(--cyan2)}
:focus-visible{outline:3px solid var(--cyan2);outline-offset:3px}
.topbar{position:sticky;top:0;z-index:5;height:56px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 max(14px,env(safe-area-inset-left));background:#081422ee;border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.logo{height:26px}.back{justify-self:start;color:var(--muted);text-decoration:none;font-size:14px}.back:hover{color:var(--text)}
.sound{justify-self:end;background:none;border:1px solid var(--line);border-radius:10px;width:40px;height:34px}
.home{max-width:1180px;margin:auto;padding:18px max(16px,env(safe-area-inset-left)) 30px}
.rotate-hint{margin:0 0 14px;padding:10px 14px;border:1px dashed var(--cyan);border-radius:12px;background:#00b8fc14;font-size:14px;line-height:1.6}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.tag{display:inline-block;font:700 12px/1 ui-monospace,monospace;letter-spacing:3px;color:var(--navy);background:var(--cyan);padding:6px 10px;border-radius:6px}
h1{font-size:clamp(46px,7vw,84px);line-height:1.05;margin:14px 0 10px;font-weight:900;letter-spacing:2px}h1 span{color:var(--cyan);display:inline-block;transform:rotate(-8deg) scale(1.15);margin:0 .08em;text-shadow:0 4px 0 #004d6b}
.lead{color:var(--muted);line-height:1.8;margin:0 0 14px}
.rules{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rules li{display:flex;gap:10px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px;line-height:1.45}
.rules i{font-style:normal;font-size:22px;width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:#0b1a2c;flex:none}.rules b{color:var(--cyan2)}
.arena-preview{position:relative;aspect-ratio:4/3;border-radius:22px;overflow:hidden;border:2px solid var(--line);background:repeating-linear-gradient(0deg,#8a5a33 0 58px,#7a4e2b 58px 60px),#8a5a33;box-shadow:inset 0 0 80px #0008,0 20px 50px #0006}
.arena-preview:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,#0000 0 37px,#ffffff08 37px 39px,#0000 39px 91px)}
.arena-preview img{position:absolute;filter:drop-shadow(0 8px 6px #0007)}
#previewKb{width:52%;left:30%;top:20%;transform:rotate(-14deg);animation:slam 1.6s infinite;z-index:3}
.pm{height:24%}.pm1{left:16%;top:58%;transform:rotate(-90deg);animation:crawl 3.2s infinite linear}.pm2{left:62%;top:66%;transform:rotate(-105deg)}.pp{height:44%;right:6%;top:8%}
@keyframes slam{0%,55%{transform:translateY(-14%) rotate(-14deg) scale(1.06)}66%{transform:translateY(8%) rotate(-10deg) scale(.98)}80%,100%{transform:translateY(-14%) rotate(-14deg) scale(1.06)}}
@keyframes crawl{0%{translate:40% 0}100%{translate:-60% -8%}}
.picker{margin-top:26px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px}
.picker-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}.picker h2,.board-home h2{margin:0;font-size:20px}.kb-name{color:var(--cyan2);font-weight:700}
.keyboards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:14px 0 16px;max-height:330px;overflow:auto;padding:2px 4px 2px 2px}
.kb{position:relative;background:#0b1a2c;border:2px solid var(--line);border-radius:14px;padding:10px 8px 8px;display:flex;flex-direction:column;align-items:center;gap:6px;min-height:118px;text-align:center}
.kb img{width:100%;height:62px;object-fit:contain;filter:drop-shadow(0 4px 4px #0008)}.kb span{font-size:12px;line-height:1.3;color:var(--muted)}
.kb[aria-checked=true]{border-color:var(--cyan);background:#00b8fc1a;box-shadow:0 0 0 3px #00b8fc33}.kb[aria-checked=true] span{color:var(--text)}
.kb[aria-checked=true]:after{content:"✓";position:absolute;top:6px;right:8px;color:var(--cyan);font-weight:900}
.btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:46px;padding:8px 20px;border-radius:14px;border:2px solid var(--line);background:#0b1a2c;font-weight:800;text-decoration:none;color:var(--text);text-align:center;line-height:1.15}
.btn small{font-size:11px;font-weight:600;opacity:.85}
.btn.primary{background:var(--cyan);border-color:var(--cyan);color:#04131f}.btn.primary:hover:not(:disabled){background:var(--cyan2)}
.btn.ghost:hover{border-color:var(--cyan)}.btn.shop{background:linear-gradient(135deg,#ffd45c,#ff9f2e);border-color:#ffb43d;color:#2a1600}
.btn.big{width:100%;font-size:20px;min-height:58px}
.status{min-height:1.4em;margin:8px 0 0;color:var(--muted);font-size:14px}.status.error{color:#ff8d8f}
.board-home{margin-top:22px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px}
.board{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.board li{display:grid;grid-template-columns:2.4em 1fr auto;gap:10px;align-items:center;padding:8px 12px;border-radius:10px;background:#0b1a2c;font-size:15px}
.board li .rk{font-weight:900;color:var(--muted);text-align:center}.board li:nth-child(1) .rk{color:#ffd45c}.board li:nth-child(2) .rk{color:#d6e2ea}.board li:nth-child(3) .rk{color:#e5a06b}
.board li .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.board li .nm small{display:block;color:var(--muted);font-size:11px;overflow:hidden;text-overflow:ellipsis}
.board li .sc{font-weight:900;color:var(--cyan2);font-variant-numeric:tabular-nums}.board li.me{outline:2px solid var(--cyan);background:#00b8fc22}.board li.empty{display:block;color:var(--muted);text-align:center}
.foot{margin-top:24px;text-align:center;color:#5d7d96;font-size:12px}
@media (max-width:860px){.hero{grid-template-columns:1fr}.arena-preview{max-height:260px;aspect-ratio:16/9;order:-1}.rules{grid-template-columns:1fr}}
@media (orientation:landscape) and (max-height:520px){.hero{grid-template-columns:1.2fr .8fr}.arena-preview{order:0;max-height:none;aspect-ratio:4/3}h1{font-size:44px}.rules{grid-template-columns:1fr 1fr}.keyboards{max-height:220px}}

/* 遊戲 */
.game{position:fixed;inset:0;z-index:20;background:#3b2414;touch-action:none;user-select:none;-webkit-user-select:none;overflow:hidden}
#canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:none}
.hud{position:absolute;top:0;left:0;right:0;display:flex;align-items:flex-start;gap:12px;padding:max(10px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) 0 max(14px,env(safe-area-inset-left));pointer-events:none}
.money{display:flex;align-items:center;gap:8px;background:#081422cc;border:1px solid #ffffff22;border-radius:14px;padding:6px 10px;flex:0 1 420px}
.money-label{font-weight:900;font-size:14px;color:#c9f7d8;white-space:nowrap}
.bar{flex:1;height:18px;border-radius:9px;background:#2a0f12;border:2px solid #0006;overflow:hidden;min-width:90px}
.bar i{display:block;height:100%;width:100%;background:linear-gradient(180deg,#6dff9d,#21b955);border-radius:7px;transition:width .2s,background .3s;box-shadow:inset 0 -3px 0 #0003}
.bar i.low{background:linear-gradient(180deg,#ffe36d,#e3a51d)}.bar i.crit{background:linear-gradient(180deg,#ff8d8f,#e0303a);animation:blink .5s infinite alternate}
@keyframes blink{to{opacity:.55}}
.money b{font-variant-numeric:tabular-nums;min-width:3.4em;text-align:right;color:#c9f7d8}
.money.hurt{animation:hurt .35s}@keyframes hurt{30%{transform:translateX(-6px);background:#5c1218cc}60%{transform:translateX(5px)}}
.score{margin-left:auto;text-align:right;background:#081422cc;border:1px solid #ffffff22;border-radius:14px;padding:4px 12px;min-width:110px;position:relative}
.score small{display:block;font-size:11px;color:var(--muted)}.score b{font-size:24px;font-variant-numeric:tabular-nums;color:var(--cyan2)}
.score em{position:absolute;right:8px;top:100%;margin-top:4px;font-style:normal;font-weight:900;color:var(--gold);white-space:nowrap;text-shadow:0 2px 0 #0008}
.hud-btn{pointer-events:auto;width:44px;height:44px;border-radius:12px;border:1px solid #ffffff33;background:#081422cc;font-size:14px}
.countdown{position:absolute;inset:0;display:grid;place-items:center;font-size:min(30vh,180px);font-weight:900;color:#fff;text-shadow:0 8px 0 #0007;pointer-events:none;animation:pop .9s infinite}
@keyframes pop{0%{transform:scale(1.4);opacity:0}25%{transform:scale(1);opacity:1}100%{opacity:.85}}
.layer{position:absolute;inset:0;display:grid;place-items:center;background:#050d18b8;backdrop-filter:blur(3px);padding:14px;overflow:auto;cursor:auto}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 20px 60px #000a}
.panel.small{display:flex;flex-direction:column;gap:12px;align-items:stretch;text-align:center;min-width:260px;max-width:360px}.panel.small h2{margin:0}.panel.small p{margin:0;color:var(--muted);line-height:1.6}
.rotate{background:#050d18f2}.phone-anim{font-size:64px;animation:turn 1.8s infinite ease-in-out}@keyframes turn{0%,20%{transform:rotate(0)}55%,80%{transform:rotate(-90deg)}100%{transform:rotate(0)}}
.results{place-items:start center}
.result-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px;width:min(980px,100%);margin:auto 0}
.bankrupt{margin:0;font-weight:900;color:#ff8d8f;font-size:18px}
.final{display:flex;align-items:baseline;gap:12px}.final small{color:var(--muted)}.final b{font-size:clamp(44px,8vh,70px);color:var(--cyan2);font-variant-numeric:tabular-nums}
.final-stats{list-style:none;padding:0;margin:4px 0 12px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.final-stats li{background:#0b1a2c;border-radius:10px;padding:8px 4px;text-align:center}.final-stats b{display:block;font-size:20px}.final-stats span{font-size:11px;color:var(--muted)}
.save label{font-size:14px;font-weight:700}.save-row{display:flex;gap:8px;margin-top:6px}
.save input{flex:1;min-width:0;height:46px;border-radius:12px;border:2px solid var(--line);background:#0b1a2c;padding:0 12px}.save input:focus{border-color:var(--cyan);outline:none}
.actions{display:grid;grid-template-columns:1fr 1fr 1fr 1.5fr;gap:8px;margin-top:6px}.actions .btn{padding:8px 8px;font-size:15px}
.result-board h2{margin:0;font-size:18px}.result-board .board{max-height:min(60vh,520px);overflow:auto}
@media (max-width:760px){.result-panel{grid-template-columns:1fr}.actions{grid-template-columns:1fr 1fr}}
@media (orientation:landscape) and (max-height:520px){.panel{padding:12px 14px}.result-panel{grid-template-columns:1.15fr .85fr;gap:14px}.final b{font-size:40px}.final-stats{margin:2px 0 6px}.final-stats b{font-size:16px}.actions .btn{min-height:40px;font-size:13px}.result-board .board{max-height:calc(100dvh - 90px)}.board li{padding:5px 10px;font-size:13px}.save input{height:40px}.btn{min-height:40px}}

/* 分享 */
.share-dialog{border:1px solid var(--line);border-radius:18px;background:var(--panel);color:var(--text);padding:16px;width:min(440px,94vw);max-height:94dvh}
.share-dialog::backdrop{background:#000b}
.share-copied{margin:0 0 10px;font-weight:700;color:#9df0b6;line-height:1.5}.share-copied.error{color:#ffd28d}
#sharePreview{display:block;width:100%;max-height:44dvh;object-fit:contain;border-radius:12px;background:#0b1a2c}
.share-text{white-space:pre-wrap;font:13px/1.6 inherit;font-family:inherit;background:#0b1a2c;border-radius:10px;padding:10px;margin:10px 0 0;user-select:text;-webkit-user-select:text}
.share-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:10px}.share-actions .btn{padding:8px 6px;font-size:14px}
.share-copy-buffer{position:fixed;top:0;left:0;opacity:0;width:1px;height:1px}