:root{color-scheme:light;--ink: #241c16;--ink-soft: #6d5c4e;--paper: #f6f0e4;--card: #fffaf2;--line: #e6d5bc;--cinnabar: #c2412d;--cinnabar-dark: #9d3222;--gold: #b9852f;--mat: #fffdf8;--tray: #f3e7d4;--shadow: 0 18px 40px rgba(70, 42, 18, .12);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,WenQuanYi Micro Hei,Droid Sans Fallback,sans-serif}*{box-sizing:border-box}html,body{height:100%;margin:0}body{color:var(--ink);background:radial-gradient(1000px 520px at -10% -20%,#fff8ec 0%,transparent 55%),radial-gradient(820px 480px at 110% -10%,#f4ddc0 0%,transparent 46%),linear-gradient(180deg,#f7f1e6,#efe2cc);overflow:hidden}button,input{font:inherit;color:inherit}button{cursor:pointer}button:focus-visible,.card:focus-visible{outline:3px solid #e7a14a;outline-offset:2px}.screen{position:fixed;top:0;right:0;bottom:0;left:0}.select-screen{overflow:auto}.select-inner{max-width:1080px;margin:0 auto;padding:28px 20px 64px}.mast{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}.brand{display:flex;gap:14px;align-items:center}.seal{width:54px;height:54px;border:2px solid var(--cinnabar);color:var(--cinnabar);border-radius:8px;display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-weight:700;letter-spacing:.08em;transform:rotate(-8deg);background:#c2412d0f}h1{font-family:"Noto Serif SC",serif;font-size:clamp(36px,5vw,56px);line-height:1;margin:0;font-weight:700}.lede{margin:8px 0 0;color:var(--ink-soft);max-width:38em;line-height:1.55}.progress-line{margin:6px 0 0;color:var(--gold);font-weight:700}.mast-actions{display:flex;gap:8px;flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.card{position:relative;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:10px 10px 12px;box-shadow:0 1px #fffc inset;transition:transform .15s ease,box-shadow .15s ease}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.card svg{width:100%;height:104px;display:block;background:#f7f1e6;border-radius:12px}.card-name{display:block;margin-top:8px;font-weight:700;font-size:16px}.card-meta{display:flex;justify-content:space-between;gap:8px;margin-top:2px;color:var(--ink-soft);font-size:12px}.card.solved{box-shadow:inset 0 0 0 1.5px #e7b8a4}.done-mark{position:absolute;top:16px;right:16px;width:28px;height:28px;border-radius:50%;background:var(--cinnabar);color:#fff;display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-size:14px}.btn{border:1px solid transparent;background:var(--cinnabar);color:#fff;border-radius:12px;min-height:44px;padding:0 14px;font-weight:700}.btn:hover{background:var(--cinnabar-dark)}.btn.secondary{background:transparent;color:var(--ink);border-color:#d9c4a8}.btn.secondary:hover{background:#ffffff8c}.btn:disabled{opacity:.38;cursor:not-allowed}.btn.wide{width:100%}.play-screen{display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:transparent}.topbar{display:flex;align-items:center;gap:12px;padding:10px 14px 6px}.topbar h2{font-family:"Noto Serif SC",serif;font-size:26px;margin:0;line-height:1.1}.topbar .sub{color:var(--ink-soft);font-size:13px;margin-top:2px}.stats{margin-left:auto;display:flex;gap:8px}.stat{background:#fffaf2cc;border:1px solid var(--line);border-radius:999px;padding:6px 12px;min-width:72px;text-align:center}.stat b{display:block;font-variant-numeric:tabular-nums;font-size:16px}.stat span{color:var(--ink-soft);font-size:11px;letter-spacing:.04em}.stage{min-height:0;padding:4px 10px 0}.stage svg{width:100%;height:100%;display:block;touch-action:none;-webkit-user-select:none;user-select:none;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,WenQuanYi Micro Hei,Droid Sans Fallback,sans-serif}.piece{cursor:grab}.piece.dragging{cursor:grabbing}.handle{cursor:pointer}.tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:8px 12px calc(10px + env(safe-area-inset-bottom));background:#fffaf2eb;border-top:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.hintline{grid-column:1 / -1;margin:0;min-height:1.3em;color:var(--ink-soft);font-size:13px}.legend{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:6px 10px}.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px}.legend span{font-size:12px;color:var(--ink-soft);white-space:nowrap}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#241c166b;display:grid;place-items:center;padding:20px;z-index:5}.modal[hidden]{display:none}.modal-card{width:min(420px,100%);background:var(--card);border-radius:22px;padding:26px 22px 20px;box-shadow:var(--shadow);text-align:center}.modal-card h3{font-family:"Noto Serif SC",serif;font-size:40px;margin:8px 0 4px}.modal-card .modal-name{font-size:18px;margin:0}.modal-card .modal-stats{color:var(--ink-soft);margin:8px 0 18px}.modal-actions{display:flex;gap:8px;justify-content:center}.big-seal{width:64px;height:64px;margin:0 auto;border:3px solid var(--cinnabar);color:var(--cinnabar);border-radius:10px;display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-size:28px;transform:rotate(-8deg)}#confetti{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:6}.toast{position:fixed;left:50%;bottom:calc(92px + env(safe-area-inset-bottom));transform:translate(-50%) translateY(8px);background:#241c16;color:#fffaf2;padding:8px 14px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:7;font-size:14px}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media(min-width:900px){.play-screen{grid-template-columns:minmax(0,1fr) 300px;grid-template-rows:auto minmax(0,1fr)}.topbar{grid-column:1 / span 2;padding:14px 18px 0}.stage{grid-column:1;grid-row:2;padding:8px 8px 16px 16px}.tools{grid-column:2;grid-row:2;grid-template-columns:1fr 1fr;align-content:start;border-top:0;border-left:1px solid var(--line);margin:8px 16px 16px 0;border-radius:18px;padding:16px;overflow:auto}.toast{bottom:28px}}@media(prefers-reduced-motion:reduce){.card,.toast{transition:none}}