:root{--bg: #0f1216;--panel: #171c23;--panel-2: #1e242d;--border: #2a323d;--text: #e6e9ee;--muted: #8b95a3;--accent: #3b9dff;--accent-2: #22c55e;--danger: #ef4444;--stage: #0a0c0f;color-scheme:dark}:root.light{--bg: #f4f6f9;--panel: #ffffff;--panel-2: #eef1f5;--border: #d3d9e0;--text: #1b2430;--muted: #5a6675;--accent: #2563eb;--accent-2: #16a34a;--danger: #dc2626;--stage: #dbe0e7;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:13px}.app{display:grid;grid-template-rows:auto 1fr;height:100%}.topbar{display:flex;align-items:center;gap:14px;padding:8px 14px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar h1{font-size:15px;margin:0;font-weight:600}.topbar .badge{font-size:11px;color:var(--muted)}.topbar .spacer{flex:1}.layout{display:grid;grid-template-columns:320px 1fr 300px;min-height:0}.sidebar{background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;padding:8px}.sidebar.right{border-right:none;border-left:1px solid var(--border)}.stage{position:relative;overflow:hidden;background:var(--stage);min-width:0}.section{border:1px solid var(--border);border-radius:8px;margin-bottom:8px;background:var(--panel-2);overflow:hidden}.section>header{padding:8px 10px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-weight:600;-webkit-user-select:none;user-select:none}.section>header .step{width:18px;height:18px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;display:inline-flex;align-items:center;justify-content:center;margin-right:8px}.section .body{padding:8px 10px 12px;border-top:1px solid var(--border)}.row{display:flex;align-items:center;gap:8px;margin:6px 0}.row label{flex:0 0 96px;color:var(--muted)}.row input[type=range]{flex:1;min-width:0}.row .val{flex:0 0 44px;text-align:right;font-variant-numeric:tabular-nums}.row .val-input{flex:0 0 56px;width:56px;padding:3px 5px;text-align:right;font-variant-numeric:tabular-nums}.row .val-input::-webkit-outer-spin-button,.row .val-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.row.two label{flex:0 0 auto}input[type=number],select{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:4px 6px;width:100%}button{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:6px 10px;cursor:pointer;font-size:12px}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.success{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button:disabled{opacity:.45;cursor:not-allowed}.btn-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.chk{display:flex;align-items:center;gap:6px;cursor:pointer}.dropzone{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;text-align:center;color:var(--muted);pointer-events:none}.dropzone.active{background:#3b9dff1f;border:2px dashed var(--accent)}.canvas-wrap{position:absolute;top:0;right:0;bottom:0;left:0}canvas.viewer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;cursor:grab}canvas.viewer.editing{cursor:crosshair}.seg{display:flex;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:3px}.seg button{border:none;background:transparent;padding:4px 8px}.seg button.active{background:var(--accent);color:#fff;border-radius:5px}.stat{color:var(--muted);font-size:11px;margin-top:6px;line-height:1.5}.hint{font-size:11px;color:var(--muted);margin:4px 0 8px}.tip{font-size:11px;line-height:1.5;color:#ffe08a;background:#f5c8421a;border:1px solid rgba(245,200,66,.35);border-radius:6px;padding:6px 8px;margin:4px 0 8px}:root.light .tip{color:#7a5200;background:#f5c84238;border-color:#c8961480}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--panel, #1a1e24);border:1px solid var(--border, #2a2f38);border-radius:10px;width:min(760px,92vw);max-height:88vh;display:flex;flex-direction:column;box-shadow:0 12px 48px #00000080}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border, #2a2f38)}.modal-head h2{font-size:16px;margin:0}.modal-body{padding:12px 18px 18px;overflow-y:auto;line-height:1.55;font-size:13px}.modal-body h3{font-size:13.5px;margin:16px 0 4px;color:#7cc5ff}.modal-body ul{margin:4px 0 8px;padding-left:20px}.modal-body li{margin:3px 0}.g-intro{color:var(--muted, #9aa4b2)}.info{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;margin-left:6px;border-radius:50%;font-size:10px;color:#7cc5ff;border:1px solid rgba(124,197,255,.5);cursor:help}.info:hover{background:#7cc5ff26}.donate{display:inline-block;background:#ffc439;color:#253b80;font-weight:700;font-size:12px;text-decoration:none;padding:6px 12px;border-radius:6px;border:1px solid #e0a800}.donate:hover{background:#ffb000}.donate-box{font-size:12px;line-height:1.5;color:#cbe8b5;background:#22c55e1a;border:1px solid rgba(34,197,94,.35);border-radius:6px;padding:8px 10px;margin:6px 0}:root.light .donate-box{color:#14622f;background:#22c55e29;border-color:#16823c80}.license{color:var(--muted, #9aa4b2);border-top:1px solid var(--border, #2a2f38);margin-top:4px;line-height:1.5}.overlay-controls{position:absolute;top:10px;left:10px;z-index:5;display:flex;gap:8px;align-items:center;background:#0f1216d9;color:#e6e9ee;padding:6px 8px;border-radius:8px;border:1px solid var(--border)}.overlay-controls.right{left:auto;right:10px}.busy{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0006;z-index:10;font-size:14px}.divider{height:1px;background:var(--border);margin:10px 0}.small{font-size:11px;color:var(--muted)}