:root{--border: #d9dde3;--text: #1a1d23;--muted: #6b7280;--accent: #2563eb;--danger: #b91c1c;--bg: #f7f8fa}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Inter,sans-serif;color:var(--text);background:var(--bg)}.app-shell{max-width:1200px;margin:0 auto;padding:16px 24px 48px}.app-nav{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--border);padding-bottom:8px}.app-nav button{background:none;border:none;padding:8px 14px;cursor:pointer;font-size:14px;color:var(--muted);border-radius:6px}.app-nav button.active{color:var(--text);background:#fff;box-shadow:0 0 0 1px var(--border)}button{background:#fff;border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer;font-size:13px}button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}.danger-link{border:none;background:none;color:var(--danger);padding:0;font-size:12px}input,select{border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:13px}.field-row{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);margin-bottom:8px}.field-error{color:var(--danger);font-size:12px}.hint{color:var(--muted);font-size:12px}.data-source-picker{display:flex;gap:16px;margin-bottom:16px}.designer-toolbar{display:flex;align-items:center;gap:16px;margin-bottom:12px}.template-name{font-size:16px;font-weight:600;border:none;background:none}.side-tabs{display:flex;gap:4px;margin-bottom:12px}.side-tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.designer-main{display:flex;gap:24px;align-items:flex-start}.canvas-column{flex:1}.inspector-column{width:320px;flex-shrink:0;background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px}.box-toolbar{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.sample-switcher{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12px;color:var(--muted)}.inspector-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.style-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}.conditional-section{margin-top:16px;border-top:1px solid var(--border);padding-top:10px}.conditional-section summary{cursor:pointer;font-size:13px;font-weight:600}.rule-card{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:10px;margin:8px 0;display:flex;flex-direction:column;gap:8px}.rule-condition-row,.rule-effect-row{display:flex;align-items:center;gap:6px;font-size:12px;flex-wrap:wrap}.template-list-header{display:flex;justify-content:space-between;align-items:center}.template-list ul{list-style:none;padding:0}.template-row{display:flex;align-items:center;gap:16px;padding:10px 0;border-bottom:1px solid var(--border)}.template-row-actions{margin-left:auto;display:flex;gap:6px}.generator-page{max-width:480px}.secondary{background:var(--bg);border:1px solid var(--border)}.asset-upload img.asset-preview{display:block;max-width:120px;max-height:80px;margin-bottom:6px;border:1px solid var(--border);border-radius:4px}.walk-in-generator{margin-top:24px;padding-top:16px;border-top:1px solid var(--border)}.walk-in-generator input{width:100%;margin:8px 0}.walk-in-matches{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px}.walk-in-matches li{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--border)}