*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f4f4f5;--panel: #ffffff;--border: #e4e4e7;--text: #18181b;--text-muted: #71717a;--primary: #111111;--primary-text: #ffffff;--danger: #dc2626;--success: #16a34a;--radius: 10px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app{display:grid;grid-template-rows:52px 1fr;height:100vh}.topbar{display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar h1{font-size:15px;font-weight:700}.topbar .spacer{flex:1}.topbar .status{font-size:12px;color:var(--text-muted)}.main{display:grid;grid-template-columns:340px 1fr;overflow:hidden}.sidebar{background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.preview-area{display:flex;align-items:center;justify-content:center;overflow:auto;padding:24px}.phone{width:390px;height:780px;background:#000;border-radius:44px;padding:10px;box-shadow:0 24px 60px #00000040;flex-shrink:0}.phone iframe{width:100%;height:100%;border:0;border-radius:34px;background:#fff}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:7px 14px;font-weight:600}button:hover{background:#fafafa}button.primary{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}button.primary:hover{opacity:.9}button.ghost{border:none;background:transparent;padding:4px 8px}button.danger{color:var(--danger)}button:disabled{opacity:.5;cursor:default}input[type=text],input[type=number],select,textarea{font:inherit;width:100%;padding:8px 10px;border:1px solid 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6px;border-radius:999px}.section-row .icon-btn{border:none;background:none;padding:2px 4px;color:var(--text-muted);cursor:pointer;font-size:13px}.section-row .icon-btn:hover{color:var(--text)}.add-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.add-card{border:1px solid var(--border);border-radius:8px;padding:12px 10px;text-align:center;cursor:pointer;background:#fff}.add-card:hover{border-color:var(--primary)}.add-card .t{font-weight:600;font-size:12px}.add-card .c{font-size:10px;color:var(--text-muted);margin-top:2px}.prop-field{margin-bottom:14px}.prop-field>label{display:block;font-size:12px;font-weight:600;margin-bottom:6px}.prop-row{display:flex;align-items:center;gap:10px}.prop-hint{font-size:11px;color:var(--text-muted);margin-top:4px}.switch{position:relative;width:36px;height:21px;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.switch .track{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:999px;background:var(--border);transition:.15s;cursor:pointer}.switch .track:before{content:"";position:absolute;width:17px;height:17px;border-radius:50%;background:#fff;top:2px;left:2px;transition:.15s;box-shadow:0 1px 3px #0000004d}.switch input:checked+.track{background:var(--primary)}.switch input:checked+.track:before{transform:translate(15px)}.obj-item{border:1px solid var(--border);border-radius:8px;padding:10px;margin-bottom:8px;background:#fafafa}.obj-item .obj-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.obj-item .obj-head span{font-size:11px;font-weight:700;color:var(--text-muted)}.group-label{font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin:16px 0 8px;padding-top:10px;border-top:1px dashed var(--border)}.back-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}.error-box{margin:16px;padding:12px;border-radius:8px;background:#fee2e2;color:#991b1b;font-size:13px}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--border);border-radius:999px;padding:3px 10px;font-size:12px;background:#fff}.chip button{border:none;background:none;padding:0;color:var(--text-muted);font-size:13px}.picked-row{display:flex;align-items:center;justify-content:space-between;gap:8px;border:1px solid var(--border);border-radius:8px;padding:6px 10px;background:#fff;margin-top:6px}.picked-name{font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-results{border:1px solid var(--border);border-radius:8px;margin-top:4px;max-height:220px;overflow-y:auto;background:#fff}.search-result{display:block;width:100%;text-align:left;border:none;border-bottom:1px solid 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