:root{--cream:#f7f2e7;--paper:#fffdf7;--navy:#09131f;--muted:#a8b4c3;--gold:#e8bd62;--red:#d84f57;--blue:#357dc2;--amber:#df9a2f;--ink:#27374a;--joker:#7f57c9}*{box-sizing:border-box}body{min-height:100svh;color:var(--cream);background:#060d15 url(/assets/felt-table-DMO0YS4z.png) 50%/cover fixed;margin:0;font-family:Noto Sans TC,sans-serif}body:before{content:"";pointer-events:none;background:radial-gradient(circle at 50% 30%,#0000 0,#030a1280 85%);position:fixed;inset:0}.game-shell{grid-template-rows:auto auto 1fr auto auto;gap:12px;max-width:1320px;min-height:100svh;margin:auto;padding:23px clamp(18px,4vw,60px) 26px;display:grid;position:relative}.topbar{justify-content:space-between;align-items:center;display:flex}.brand{color:var(--cream);letter-spacing:.08em;align-items:center;gap:10px;font:500 11px/1.05 DM Mono;text-decoration:none;display:flex}.brand b{font:700 21px/1 Shippori Mincho B1}.brand-mark{width:34px;height:42px;color:var(--gold);border:1px solid 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tut-appear{0%{opacity:0;transform:scale(.86)}to{opacity:1;transform:none}}@keyframes tut-pop{0%{opacity:0;transform:translateY(9px)scale(.92)}to{opacity:1;transform:none}}@keyframes tut-flip{0%{opacity:1;transform:rotateY(0)}50%{opacity:1;transform:rotateY(90deg)scale(1.07)}to{opacity:1;transform:rotateY(0)}}@media (prefers-reduced-motion:reduce){.tut-stage .tut-anim{opacity:1}.tut-stage.play .tut-anim{animation:none!important}.tut-stage.play .tut-out{opacity:0}.tut-stage.play .tut-collapse{opacity:0;width:0;margin-left:-5px}}@media (width<=650px){.tutorial-dialog{padding:22px}.tutorial-dialog h2{font-size:20px}.tut-stage{gap:9px;min-height:164px;padding:12px 8px}.tut-row{gap:3px;min-height:50px}.tut-tile{width:36px;height:50px;font-size:24px}.tut-tile i{width:3px;height:3px;bottom:4px}.tut-line{grid-template-columns:44px auto;gap:7px}.tut-copy{min-height:0;font-size:12px;line-height:1.75}.tut-badge{padding:6px 10px;font-size:10px}.tut-hint{font-size:10px}.tut-score{font-size:19px}.tut-actions .play-button{padding:10px 14px;font-size:12px}.tut-actions .text-button{font-size:11px}@keyframes tut-collapse{0%{opacity:1;width:36px;margin-left:0}to{opacity:0;width:0;margin-left:-3px}}}.tile.joker{color:var(--joker)}.tile.joker span{font-size:.82em}.tile.joker:after{opacity:.34}.ghost-button{color:var(--gold);white-space:nowrap;cursor:pointer;background:#e8bd6214;border:1px solid #e8bd628c;border-radius:8px;align-items:center;gap:7px;padding:11px 15px;font:600 12px Noto Sans TC;transition:transform .15s,background .15s;display:inline-flex}.ghost-button:hover{background:#e8bd6229;transform:translateY(-2px)}.ghost-button b{font:500 11px/1 DM Mono}@media (width<=650px){.ghost-button{gap:5px;padding:9px 11px;font-size:11px}}.hint-demo-dialog{width:min(540px,100% - 36px);max-height:min(90svh,780px);overflow:auto}.hint-demo-dialog h2{margin:9px 0 13px;font-size:24px}.hint-stage{align-content:start;justify-items:stretch;gap:8px;min-height:0;overflow:auto hidden}.hint-stage .tut-line{grid-template-columns:60px minmax(0,1fr)}.hint-stage .tut-row{flex-wrap:wrap;justify-content:flex-start;gap:4px 5px;min-height:0}.tut-melds{flex-wrap:wrap;align-items:center;gap:6px 10px;min-width:0;display:flex}.hint-stage .tut-meld{background:#0000003d;border-radius:7px;padding:4px 6px;box-shadow:inset 0 0 0 1px #ffffff0f}.hint-stage .tut-hint,.hint-stage .tut-badge{justify-self:center}.tut-tile.tut-compact{width:33px;height:45px;font-size:22px}.tut-tile.tut-compact i{width:3px;height:3px;bottom:4px}.hint-stage .tut-line+.tut-line{margin-top:2px}@media (width<=650px){.hint-demo-dialog{padding:18px}.hint-demo-dialog h2{margin:6px 0 9px;font-size:20px}.hint-demo-dialog .result-actions{margin-top:13px}.hint-stage{gap:5px;padding:9px 6px}.hint-stage .tut-line{grid-template-columns:46px minmax(0,1fr);gap:6px}.hint-stage .tut-line-label{white-space:nowrap}.hint-stage .tut-line+.tut-line{margin-top:0}.hint-stage .tut-meld{padding:3px 4px}.tut-melds{gap:4px 6px}.tut-tile.tut-compact{width:26px;height:36px;font-size:17px}}