:root{--bg-sand: #f6cfad;--bg-surface: rgba(255, 250, 243, .92);--bg-card: #ffffff;--text-main: #3d241c;--text-muted: #8b5f4f;--primary: #e65c5c;--primary-hover: #cf4343;--accent: #e5983b;--border: rgba(123, 77, 60, .16);--shadow: 0 8px 24px rgba(92, 51, 34, .12);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body,html{width:100%;height:100%;overflow:hidden;font-family:var(--font-family);background-color:var(--bg-sand);color:var(--text-main);-webkit-user-select:none;user-select:none}.preview-app{display:flex;flex-direction:column;width:100vw;height:100vh;position:relative}.preview-header{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;background:var(--bg-surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:20;gap:12px}.brand-area{display:flex;align-items:center;gap:12px}.back-link{display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;background:#f0dfcb;color:var(--text-main);border-radius:999px;text-decoration:none;font-size:13px;font-weight:600;transition:all .2s}.back-link:hover{background:#e3ccb2}.title-wrap h1{font-size:16px;font-weight:700;letter-spacing:-.2px}.sync-badge{font-size:11px;color:#2b7a4b;background:#e5f6eb;padding:2px 8px;border-radius:4px;font-weight:500}.view-mode-tabs{display:flex;gap:6px;background:#dcbeaa59;padding:4px;border-radius:10px}.mode-btn{border:none;background:transparent;padding:6px 14px;border-radius:8px;font-size:13px;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .18s ease}.mode-btn.active{background:var(--bg-card);color:var(--text-main);box-shadow:0 2px 6px #00000014}.top-actions{display:flex;align-items:center;gap:8px}.icon-action-btn{border:1px solid var(--border);background:var(--bg-card);padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600;color:var(--text-main);cursor:pointer;transition:all .15s ease}.icon-action-btn:hover{background:#fff1e5;border-color:var(--accent)}.icon-action-btn.primary-action{background:var(--primary);color:#fff;border-color:var(--primary)}.icon-action-btn.primary-action:hover{background:var(--primary-hover)}.viewport-container{flex:1;position:relative;width:100%;height:100%;overflow:hidden}#webglStage{width:100%;height:100%;cursor:grab}#webglStage:active{cursor:grabbing}.floating-toolbar{position:absolute;top:14px;left:18px;display:flex;align-items:center;gap:8px;background:var(--bg-surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:6px 10px;border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow);z-index:10;flex-wrap:wrap}.tool-pill{border:1px solid var(--border);background:#fff;padding:5px 10px;border-radius:8px;font-size:12px;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .15s}.tool-pill.active{background:#ffebd8;color:#b45309;border-color:#f59e0b}.light-preset-group{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted);margin-left:4px}.light-preset-group select{padding:4px 8px;border-radius:6px;border:1px solid var(--border);background:#fff;font-size:12px;color:var(--text-main);outline:none}.hud-panel{position:absolute;top:14px;right:18px;width:280px;background:var(--bg-surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:14px;z-index:10;pointer-events:auto}.hud-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;border-bottom:1px solid var(--border);padding-bottom:8px}.hud-header h3{font-size:15px;font-weight:700;color:var(--text-main)}.asset-category{font-size:11px;text-transform:uppercase;background:#fee2e2;color:#b91c1c;padding:2px 6px;border-radius:4px;font-weight:700}.hud-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}.hud-metric{background:#ffffffd9;border:1px solid var(--border);border-radius:8px;padding:6px 10px}.hud-metric label{display:block;font-size:10px;color:var(--text-muted);margin-bottom:2px}.hud-metric strong{font-size:14px;font-weight:700;color:var(--text-main)}.hud-details{display:flex;flex-direction:column;gap:8px;font-size:12px}.detail-row{display:flex;flex-direction:column;gap:2px}.detail-row span{color:var(--text-muted);font-size:11px}.detail-row strong{font-size:12px;color:var(--text-main)}.detail-row code{font-size:11px;background:#f5e6d6;padding:3px 6px;border-radius:4px;word-break:break-all;font-family:monospace}.status-badge{display:inline-block;font-size:11px;background:#dcfce7;color:#15803d;padding:2px 6px;border-radius:4px;font-weight:600;width:fit-content}.hud-render-info{margin-top:10px;padding-top:8px;border-top:1px dashed var(--border);font-size:10px;color:var(--text-muted)}.asset-drawer{background:var(--bg-surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border);padding:10px 18px 14px;z-index:20;max-height:180px;display:flex;flex-direction:column;gap:8px}.drawer-header{display:flex;align-items:center;justify-content:space-between}.category-tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}.cat-tab{border:1px solid var(--border);background:var(--bg-card);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--text-muted);cursor:pointer;white-space:nowrap;transition:all .15s}.cat-tab.active{background:var(--text-main);color:#fff;border-color:var(--text-main)}.asset-card-list{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 6px;scrollbar-width:thin}.asset-card{flex:0 0 145px;background:var(--bg-card);border:1.5px solid var(--border);border-radius:10px;padding:8px 10px;cursor:pointer;transition:all .18s ease;display:flex;flex-direction:column;gap:4px}.asset-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 4px 12px #00000014}.asset-card.active{border-color:var(--primary);background:#fff7f7;box-shadow:0 0 0 2px var(--primary)}.card-top{display:flex;align-items:center;justify-content:space-between}.card-icon{font-size:16px}.card-tag{font-size:9px;font-weight:700;background:#f1f5f9;color:#475569;padding:1px 4px;border-radius:3px}.card-name{font-size:13px;font-weight:700;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-tris{font-size:11px;color:var(--text-muted)}.nav-hint-badge{font-size:11px;background:#fef3c7;color:#92400e;padding:4px 8px;border-radius:6px;font-weight:600;border:1px solid #fde68a;display:inline-flex;align-items:center;gap:4px}