:root{font-family:system-ui,-apple-system,Segoe UI,Roboto}.container{max-width:760px;margin:32px auto;padding:0 16px}section{margin:24px 0}h1{font-size:24px;margin-bottom:8px}h2{font-size:18px;margin:16px 0 8px}.row{display:flex;gap:8px}.row input{flex:1;padding:8px}.row button{padding:8px 12px}.fixed-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}.chip{display:flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid #ddd;border-radius:8px}.list{list-style:none;padding:0}.list li{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid #eee}.list .x{border:none;background:#eee;padding:4px 8px;border-radius:6px;cursor:pointer}.muted{color:#666}.msg{margin-top:8px;font-weight:600}.custom-header{display:flex;align-items:center;justify-content:space-between;font-weight:600;font-size:14px}.custom-header .count{opacity:.7;font-weight:500}.custom-section{display:flex;flex-direction:column;gap:8px}