:root{color-scheme:dark;--bg:#0b1114;--panel:#111a1f;--ink:#e9f0ee;--muted:#829096;--line:#2a373d;--cyan:#57e7e2;--orange:#ff9d5c;font-family:ui-monospace,"SFMono-Regular",Consolas,monospace}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);min-height:100vh}button,input{font:inherit}main{min-height:100vh;display:grid;grid-template-columns:350px 1fr}aside{padding:30px 28px;border-right:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column}.eyebrow{font-size:10px;color:var(--cyan);letter-spacing:.16em}h1{font:700 64px/1 Georgia,"Songti SC",serif;margin:15px 0 10px;letter-spacing:.04em}.lead{font:15px/1.75 system-ui,"PingFang SC",sans-serif;color:#b5c0c1;margin:0 0 25px}.upload{border:1px solid var(--cyan);color:var(--cyan);padding:15px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:.2s}.upload:hover{background:rgba(87,231,226,.09)}.upload span{font:600 14px system-ui,sans-serif}.upload b{font-size:9px;opacity:.7}#photo{position:absolute;opacity:0;pointer-events:none}.privacy{color:var(--muted);font-size:9px;line-height:1.6;margin:9px 0 27px}.privacy::first-letter{color:var(--cyan)}h2{font-size:10px;letter-spacing:.18em;color:var(--muted);margin:0 0 10px}.group{width:100%;display:grid;grid-template-columns:10px 1fr auto;gap:11px;text-align:left;align-items:center;border:1px solid var(--line);background:transparent;color:var(--ink);padding:13px 11px;margin-bottom:7px;cursor:pointer}.group i{width:8px;height:8px;border-radius:50%;background:var(--cyan)}.group[data-group=b] i{background:var(--orange)}.group span{font:11px/1.35 system-ui,sans-serif;color:var(--muted)}.group span b{display:block;color:var(--ink);font-size:13px}.group em{font-size:10px;font-style:normal}.group.active{border-color:var(--cyan);background:rgba(87,231,226,.06)}.group[data-group=b].active{border-color:var(--orange);background:rgba(255,157,92,.06)}.controls{border-top:1px solid var(--line);margin-top:20px;padding-top:19px}.control{margin-bottom:18px}.control label{display:flex;justify-content:space-between;font-size:11px;margin-bottom:9px;color:#b6c0c2}.control output{color:var(--cyan)}input[type=range]{width:100%;accent-color:var(--cyan)}.remember{font:11px system-ui,sans-serif;color:var(--muted);display:flex;align-items:center;gap:8px;cursor:pointer}.remember input{position:absolute;opacity:0}.remember span{width:26px;height:14px;border:1px solid var(--muted);border-radius:10px;position:relative}.remember span:after{content:"";position:absolute;width:8px;height:8px;left:2px;top:2px;background:var(--muted);border-radius:50%;transition:.2s}.remember input:checked+span{border-color:var(--cyan)}.remember input:checked+span:after{left:14px;background:var(--cyan)}.actions{display:flex;gap:7px;margin-top:auto;padding-top:22px}.actions button{flex:1;border:1px solid var(--line);background:#0d1519;color:#a9b5b6;padding:10px 4px;font-size:11px;cursor:pointer}.actions button:hover{border-color:#7b8c91;color:#fff}.workspace{min-width:0;display:flex;flex-direction:column;padding:22px 26px 16px}.topbar{height:30px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:.08em}.topbar #status:before{content:"";display:inline-block;width:6px;height:6px;background:var(--orange);border-radius:50%;margin-right:7px}.canvas-wrap{flex:1;min-height:500px;position:relative;border:1px solid var(--line);overflow:hidden;background-color:#0d1519;background-image:linear-gradient(rgba(87,231,226,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(87,231,226,.045) 1px,transparent 1px);background-size:24px 24px}canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}.empty-state{position:absolute;inset:0;display:grid;place-content:center;text-align:center;gap:11px;pointer-events:none;font:13px system-ui,sans-serif;color:var(--muted)}.empty-state b{color:#d6dfde}.canvas-wrap:not(.empty) .empty-state{display:none}.frame-icon{width:74px;height:54px;border:1px solid #536267;margin:0 auto 12px;position:relative}.frame-icon i{position:absolute;width:12px;height:12px;border-color:var(--cyan);border-style:solid}.frame-icon i:nth-child(1){left:-1px;top:-1px;border-width:2px 0 0 2px}.frame-icon i:nth-child(2){right:-1px;top:-1px;border-width:2px 2px 0 0}.frame-icon i:nth-child(3){left:-1px;bottom:-1px;border-width:0 0 2px 2px}.frame-icon i:nth-child(4){right:-1px;bottom:-1px;border-width:0 2px 2px 0}.legend{height:34px;display:flex;align-items:end;gap:22px;font-size:9px;color:var(--muted)}.legend span:before{content:"";display:inline-block;width:17px;height:2px;margin-right:7px;vertical-align:middle;background:var(--cyan)}.legend .b:before{background:var(--orange)}.legend .grid:before{background:#eef5f1;opacity:.5}
@media(max-width:820px){main{display:block}aside{border-right:0;border-bottom:1px solid var(--line);padding:20px;min-height:auto}h1{font-size:48px}.lead{margin-bottom:17px}.steps{margin-top:8px}.controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}.remember{grid-column:1/-1}.actions{margin-top:0}.workspace{padding:16px 12px}.canvas-wrap{min-height:55vh}.legend{gap:10px;flex-wrap:wrap;height:auto;padding-top:10px}.topbar{font-size:9px}}