:root{--bg:#f3f4f6;--panel:#fff;--ink:#1b1f24;--muted:#646d78;--line:#e2e5ea;--hover:#f1f3f6;--accent:#2563eb;--accent-soft:#e8efff;--danger:#c2372f;--shadow:0 1px 2px #1018280f, 0 4px 16px #10182814;--radius:10px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#111418;--panel:#1a1e23;--ink:#e8eaed;--muted:#98a1ac;--line:#2c3238;--hover:#242a31;--accent:#6ea2ff;--accent-soft:#1c2a44;--danger:#f07167;--shadow:0 1px 2px #0000004d, 0 6px 20px #00000059}}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0}button,.upload{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);cursor:pointer;border-radius:8px;padding:7px 12px;transition:background .12s,border-color .12s,color .12s}button:hover:not(:disabled){background:var(--hover)}button:focus-visible,.switch input:focus-visible+.track{outline:2px solid var(--accent);outline-offset:2px}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.primary:hover{filter:brightness(1.08);background:var(--accent)}.icon{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:18px;height:18px}.home{max-width:820px;margin:0 auto;padding:48px 16px}.home h1{letter-spacing:-.02em;margin:0 0 8px;font-size:28px}.lede{color:var(--muted);margin:0 0 28px;font-size:15px;line-height:1.5}.upload{text-align:center;border:2px dashed var(--line);border-radius:var(--radius);background:var(--panel);padding:36px 16px;font-weight:600;display:block}.upload:hover{border-color:var(--accent);background:var(--accent-soft)}.upload.busy{opacity:.6;cursor:wait}.upload input{display:none}.home h2{margin:36px 0 12px;font-size:16px}.plans{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.plans li{position:relative}.plan-card{text-align:left;border-radius:var(--radius);flex-direction:column;gap:4px;width:100%;padding:8px 8px 10px;transition:box-shadow .15s,transform .15s;display:flex}.plan-card:hover{box-shadow:var(--shadow);transform:translateY(-1px);background:var(--panel)!important}.plan-card img,.thumb-empty{aspect-ratio:4/3;object-fit:contain;background:#fff;border-radius:6px;width:100%;margin-bottom:4px}.plan-name{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.plan-date{color:var(--muted);font-size:12px}.remove{opacity:0;box-shadow:var(--shadow);border-radius:6px;padding:0 8px;position:absolute;top:12px;right:12px}.plans li:hover .remove,.remove:focus-visible{opacity:1}@media (hover:none){.remove{opacity:1}}.footer{color:var(--muted);text-align:center;margin:24px 0 0;font-size:12px}.editor{height:100dvh;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;flex:none;gap:4px;width:232px;padding:12px;display:flex;overflow-y:auto}.side-head{border-bottom:1px solid var(--line);align-items:center;gap:8px;margin-bottom:4px;padding-bottom:8px;display:flex}.side-head .title{text-overflow:ellipsis;white-space:nowrap;font-size:15px;overflow:hidden}.icon-btn{background:0 0;border-color:#0000;place-items:center;padding:6px;display:grid}.section{flex-direction:column;gap:2px;padding:8px 0;display:flex}.section h3{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 4px;padding:0 8px;font-size:11px;font-weight:600}.section.push{margin-top:auto}.section .footer{margin:12px 0 0}.row{gap:2px;display:flex}.row .tool{flex:1}.tool{text-align:left;background:0 0;border-color:#0000;align-items:center;gap:10px;width:100%;padding:8px;display:flex}.tool.on{background:var(--accent-soft);color:var(--accent);font-weight:600}.tool.on:hover{background:var(--accent-soft)!important}.tool.danger{color:var(--danger)}.switch{cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:8px;display:flex}.switch:hover{background:var(--hover)}.switch input{opacity:0;pointer-events:none;position:absolute}.track{background:var(--line);border-radius:9px;flex:none;width:30px;height:18px;transition:background .15s;position:relative}.track:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 2px #00000040}.switch input:checked+.track{background:var(--accent)}.switch input:checked+.track:after{transform:translate(12px)}.stage{flex:1;min-width:0;display:flex;position:relative}.canvas{touch-action:none;-webkit-user-select:none;user-select:none;background:#fff;flex:1;width:100%;min-height:0}.banner,.hint{z-index:1;border-radius:var(--radius);width:max-content;max-width:min(640px,100% - 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