:root{--bg: #10141a;--panel-bg: #171d26;--panel-2: #1e2631;--border: #2a3442;--text: #dce3ec;--text-dim: #8b98a8;--accent: #4f9cf9;--accent-2: #3b82f6;--ok: #2ecc71;--warn: #e6a23c;--bad: #e5533d;--paint: #ff7a59}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;overflow:hidden}#app{display:flex;height:100vh}.panel{width:360px;min-width:360px;height:100%;background:var(--panel-bg);border-right:1px solid var(--border);overflow-y:auto;padding:12px 14px 40px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.viewport{position:relative;flex:1;height:100%;overflow:hidden}.viewport canvas{display:block}.panel h1{font-size:17px;margin:0 0 2px;letter-spacing:.3px}.panel .subtitle{color:var(--text-dim);font-size:12px;margin:0 0 14px;line-height:1.45;max-width:285px}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.lang-btn{flex:none}.section{border:1px solid var(--border);border-radius:8px;background:var(--panel-2);padding:10px 12px;margin-bottom:12px}.section>h2{margin:0 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.6px;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:6px;cursor:pointer;user-select:none}.section>h2 .hint{font-size:11px;color:var(--text-dim);font-weight:400;text-transform:none}.section-lead{display:flex;align-items:center;gap:6px;min-width:0}.section-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chevron{display:inline-block;font-size:10px;color:var(--text-dim);transition:transform .15s ease}.section.collapsed .chevron{transform:rotate(-90deg)}.section.collapsed>h2{margin-bottom:0}.section.collapsed 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.15s}button:hover{background:#33404f}button.primary{background:var(--accent);color:#fff}button.primary:hover{background:#6fb0ff}button:disabled{opacity:.42;cursor:not-allowed}button.small{padding:3px 8px;font-size:12px}button.full{width:100%}button.ghost{background:transparent;border-color:var(--border)}button.ghost:hover{background:#ffffff0d}.mt6{margin-top:6px}.mt8{margin-top:8px}.mono{font-variant-numeric:tabular-nums}.muted{color:var(--text-dim)}.ellipsis{display:inline-block;max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}.empty{color:var(--text-dim);font-size:12px;font-style:italic;padding:4px 0;line-height:1.5}.hint-block{font-size:11px;color:var(--text-dim);line-height:1.55;margin:6px 0}.hint-block:last-child{margin-bottom:0}.hint-block b{color:var(--text);font-weight:600}.model-info{margin-top:2px;border-top:1px solid 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4;height:3px;border-radius:2px;background:#ffffff0e;overflow:hidden;margin-top:-3px}.stat-bar-fill{height:100%;border-radius:2px;background:var(--accent)}.export-actions{display:flex;flex-direction:column;gap:6px}.export-actions button{width:100%}.export-actions .primary{padding:8px 10px}.drop-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;opacity:0;transition:opacity .15s;z-index:5;background:#10141a8c;border:3px dashed var(--accent)}.drop-overlay.show{opacity:1}.drop-box{padding:24px 40px;border-radius:12px;background:var(--panel-2);color:var(--accent);font-size:18px;font-weight:600}.busy{position:absolute;inset:0;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;background:#0a0d11b8;z-index:6}.busy.hidden,.hidden{display:none!important}.spinner{width:44px;height:44px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear 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7px;font-size:11px;background:transparent;border:1px solid var(--border);color:var(--text-dim)}.view-buttons button:hover{color:var(--text);background:#ffffff0f}.health-badge{position:absolute;top:12px;right:12px;z-index:3;padding:6px 11px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid transparent;background:#171d26e6;backdrop-filter:blur(4px)}.health-badge.ok{color:var(--ok);border-color:#2ecc7173;background:#2ecc711f}.health-badge.warn{color:var(--warn);border-color:#e6a23c73;background:#e6a23c1f}.health-badge.bad{color:var(--bad);border-color:#e5533d73;background:#e5533d1f}.viewer-hint{position:absolute;left:0;right:0;bottom:8px;z-index:2;margin:0;text-align:center;color:var(--text-dim);font-size:11px;pointer-events:none}.quick-palette{position:absolute;left:50%;bottom:34px;transform:translate(-50%);z-index:3;display:flex;align-items:center;gap:7px;padding:6px 9px;border:1px solid var(--border);border-radius:12px;background:#171d26eb;backdrop-filter:blur(6px);box-shadow:0 10px 30px #00000038;max-width:calc(100% - 24px);overflow-x:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.quick-swatch{position:relative;width:28px;height:28px;border-radius:8px;border:1px solid rgba(255,255,255,.22);cursor:pointer;padding:0;background:transparent;transition:transform .12s,box-shadow .12s}.quick-swatch:hover{transform:translateY(-2px)}.quick-swatch.active{box-shadow:0 0 0 2px var(--bg),0 0 0 3.5px var(--accent)}.quick-swatch .n{position:absolute;right:-3px;bottom:-4px;min-width:12px;height:12px;padding:0 2px;border-radius:4px;background:#0a0d11e6;color:var(--text-dim);font-size:8px;line-height:12px;text-align:center;font-variant-numeric:tabular-nums}.quick-swatch.active .n{color:#fff}.quick-divider{width:1px;height:22px;background:var(--border);margin:0 1px}.quick-eraser{width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text-dim);padding:0;font-size:14px;line-height:1}.quick-eraser:hover{color:var(--text);background:#232d3a}.quick-eraser.active{color:#fff;border-color:#e5533da6;background:#e5533d2e}@media (max-width: 980px){.panel{width:320px;min-width:320px}.viewer-bar{right:10px}.quick-palette{max-width:calc(100% - 24px);overflow-x:auto}}@media (max-width: 760px){#app{flex-direction:column}.viewport{order:1;flex:none;width:100%;height:48vh;min-height:220px}.panel{order:2;flex:1;width:100%;min-width:0;min-height:0;height:auto;border-right:none;border-top:1px solid var(--border);padding-bottom:24px}.viewer-bar{right:10px;gap:6px}.viewer-hint{display:none}}