:root{--bar:#1c2430;--bar-2:#232d3b;--bar-line:#33404f;--text:#e8edf3;--muted:#9aa7b6;--accent:#4ea1ff;--accent-ink:#06203d;--canvas:#6b6f75;--danger:#ff6b6b;--radius:8px;--tap:44px;color:var(--text);background:var(--bar);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px}*{box-sizing:border-box}html,body,#root{overscroll-behavior:none;height:100%;margin:0;overflow:hidden}button,input,select{font:inherit;color:inherit}.app{height:100%;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);grid-template:"top top""tools ctx""tools stage"1fr/auto 1fr;display:grid}.topbar{padding:6px 10px;padding-top:calc(6px + env(safe-area-inset-top));background:var(--bar);border-bottom:1px solid var(--bar-line);grid-area:top;align-items:center;gap:6px;min-width:0;display:flex}.app-name{white-space:nowrap;margin-right:8px;font-weight:600}.spacer{flex:1}.toolbar{background:var(--bar-2);border-right:1px solid var(--bar-line);flex-direction:column;grid-area:tools;gap:4px;padding:8px 6px;display:flex}.context{background:var(--bar-2);border-bottom:1px solid var(--bar-line);flex-wrap:wrap;grid-area:ctx;align-items:center;gap:10px 16px;min-height:52px;padding:6px 12px;display:flex}.context:empty{display:none}.stage{background:var(--canvas);grid-area:stage;min-width:0;min-height:0;position:relative;overflow:hidden}.canvas-wrap{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;position:absolute;inset:0}.canvas-wrap.is-panning{cursor:grab}.btn{min-height:var(--tap);min-width:var(--tap);border-radius:var(--radius);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:0 12px;display:inline-flex}.btn:hover:not(:disabled){background:#ffffff14}.btn:focus-visible,.swatch:focus-visible,.tool:focus-visible{outline:2px solid 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.value{min-width:3.2em;color:var(--text);font-variant-numeric:tabular-nums}.swatches{gap:6px;display:flex}.swatch{width:var(--tap);height:var(--tap);cursor:pointer;border:2px solid #ffffff40;border-radius:50%;place-items:center;padding:0;display:grid}.swatch span{border:1px solid #00000080;border-radius:50%;width:26px;height:26px}.swatch.is-active{box-shadow:0 0 0 2px var(--accent);border-color:#fff}.seg{border:1px solid var(--bar-line);border-radius:var(--radius);display:inline-flex;overflow:hidden}.seg .btn{border-radius:0;min-width:44px}.text-input{min-height:var(--tap);border-radius:var(--radius);border:1px solid var(--bar-line);background:#111821;width:200px;padding:0 10px}.hint{color:var(--muted);font-size:12px}.export-group{align-items:center;gap:4px;display:flex;position:relative}.export-hint{color:#ffd27a;white-space:nowrap;margin-right:6px;font-size:12px}.menu{z-index:30;border:1px solid var(--bar-line);border-radius:var(--radius);background:#111821;flex-direction:column;gap:2px;min-width:220px;padding:6px;display:flex;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 10px 30px #00000073}.menu .btn{justify-content:flex-start;width:100%}.menu-title{color:var(--muted);padding:6px 10px 2px;font-size:12px}.dropzone{text-align:center;-webkit-user-select:none;user-select:none;border:2px dashed #ffffff73;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:14px;display:flex;position:absolute;inset:16px}.dropzone-title{margin:0;font-size:20px;font-weight:600}.dropzone-small{color:#fffc;margin:0;font-size:12px}.zoom-controls{border-radius:var(--radius);background:#1c2430e0;gap:2px;padding:2px;display:flex;position:absolute;bottom:10px;right:10px}.toasts{left:50%;bottom:calc(24px + env(safe-area-inset-bottom));z-index:50;flex-direction:column;gap:8px;width:min(92vw,520px);display:flex;position:fixed;transform:translate(-50%)}.toast{border-radius:var(--radius);text-align:left;color:var(--text);border:0;border-left:4px solid var(--accent);cursor:pointer;background:#0f151d;padding:12px 14px;box-shadow:0 6px 24px #00000080}.toast-error{border-left-color:var(--danger)}.label-editor{z-index:20;border:1px solid var(--bar-line);border-radius:var(--radius);background:#0f151df5;flex-direction:column;gap:6px;width:260px;padding:8px;display:flex;position:absolute;box-shadow:0 8px 28px #00000080}.label-editor input{width:100%}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1px solid var(--bar-line);cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:#1b2430;border-radius:18px;max-width:100%;min-height:36px;padding:0 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0;min-width:32px;padding:0 6px}.menu .seg{margin:0 4px 4px}.menu .seg .btn{flex:1;justify-content:center;width:auto}.menu-title.warn{color:#ffd27a}.menu-left{left:0;right:auto}