:root { font-family: system-ui, Arial, sans-serif; }
.container { max-width: 1100px; margin: 0 auto; padding: 16px; }
.header { display:flex; gap:12px; align-items:center; justify-content:space-between; border-bottom:1px solid #eee; }
.brand { font-weight:700; text-decoration:none; color:#111; }
.nav { display:flex; gap:10px; }
.nav a { text-decoration:none; color:#333; font-size:14px; }
.nav a.active { font-weight:700; }
.search { display:flex; gap:6px; }
.search input { padding:6px 8px; min-width:180px; }
.footer { border-top:1px solid #eee; margin-top:20px; display:flex; gap:10px; font-size:14px; }
.card { border:1px solid #eee; border-radius:10px; padding:12px; margin:10px 0; }
.card h3 { margin:0 0 6px 0; }
.meta { font-size:12px; color:#666; }
.grid { display:grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap:12px; }
.btn { padding:8px 10px; border:1px solid #ddd; background:#fafafa; border-radius:8px; cursor:pointer; }
.btn:disabled{ opacity:.5; cursor:not-allowed;}
input, button { font: inherit; }