:root{--bg: #14171d;--panel: #1c2029;--panel-2: #232834;--border: #2c3340;--text: #e6e9ef;--muted: #8a93a3;--accent: #4c8dff;--danger: #ff6b6b;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);overflow:hidden}.app{display:flex;height:100vh;width:100vw}.sidebar{width:320px;min-width:320px;height:100%;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}.brand{padding:16px;border-bottom:1px solid var(--border)}.brand h1{margin:0;font-size:18px;letter-spacing:.5px}.brand p{margin:4px 0 0;font-size:11px;color:var(--muted)}.section{padding:14px 16px;border-bottom:1px solid var(--border)}.section h2{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);font-size:13px;cursor:pointer;width:100%}.btn:hover{border-color:#3a4353}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn.primary:hover{background:#3a7cf0}.btn.ghost{background:transparent}.btn:disabled{opacity:.5;cursor:default}.dropzone{border:1px dashed #3a4353;border-radius:10px;padding:18px;text-align:center;color:var(--muted);font-size:12px;margin-top:8px}.dropzone.drag{border-color:var(--accent);background:#4c8dff14;color:var(--text)}.part{display:flex;align-items:center;gap:8px;padding:8px;border-radius:8px;cursor:pointer}.part:hover{background:var(--panel-2)}.part.selected{background:var(--panel-2);outline:1px solid var(--accent)}.swatch{width:12px;height:12px;border-radius:3px;flex-shrink:0;border:1px solid rgba(0,0,0,.3)}.part .name{flex:1;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{background:none;border:none;color:var(--muted);cursor:pointer;padding:2px 5px;border-radius:5px;font-size:13px}.icon-btn:hover{color:var(--text);background:#ffffff0f}.ctl{margin-bottom:10px}.ctl label{display:block;font-size:11px;color:var(--muted);margin-bottom:3px;text-transform:uppercase;letter-spacing:.4px}.ctl .row{display:flex;align-items:center;gap:8px}.ctl input[type=range]{flex:1;accent-color:var(--accent)}.ctl input[type=number]{width:60px;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:4px 6px;font-size:12px}.hint{font-size:11px;color:var(--muted);margin:6px 0 0}.row-2{display:flex;gap:8px}.row-2 .btn{width:auto;flex:1}.viewer{position:relative;flex:1;height:100%}.viewer canvas{display:block}.overlay{position:absolute;top:12px;right:12px;display:flex;flex-direction:column;gap:8px;z-index:5}.pill{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:#1c2029d9;border:1px solid var(--border);color:var(--text);font-size:12px;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.pill.on{background:var(--accent);border-color:var(--accent);color:#fff}.empty-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none;color:var(--muted);font-size:14px;text-align:center}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0009;display:flex;align-items:center;justify-content:center;padding:24px}.modal{width:min(880px,92vw);height:min(640px,88vh);background:var(--panel);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px #00000080}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.modal-canvas{flex:1;min-height:0}.modal-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-top:1px solid var(--border);flex-wrap:wrap}