:root { --bg:#fff; --text:#111; --muted:#6b7280; --chip:#f3f4f6; --card:#ffffff; --border:#e5e7eb; --accent:#111; }
*{box-sizing:border-box} body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:24px}
.header{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:10}
.nav a{margin-right:12px;padding:8px 10px;border-radius:10px}
.nav a.active{background:var(--chip)}
h1{font-size:28px;margin:8px 0 12px}
.lead{color:var(--muted);margin-bottom:16px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}
.tags{margin-top:8px}
.tag{display:inline-block;background:var(--chip);padding:4px 8px;border-radius:999px;margin-right:6px;margin-bottom:6px;font-size:12px}
input,select,textarea,button{padding:.65rem .8rem;border:1px solid var(--border);border-radius:10px}
input[type="search"]{width:100%;max-width:420px}
.controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:12px 0}
.btn{background:var(--accent);color:#fff;border:none;cursor:pointer}
small{color:var(--muted)}
footer{padding:24px;border-top:1px solid var(--border);margin-top:24px;color:var(--muted);font-size:14px}