:root{--bg:#ffffff;--text:#0f172a;--muted:#64748b;--border:#e5e7eb;--primary:#0ea5e9;--primary-600:#0284c7;--card:#f8fafc}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;line-height:1.6}
.top-accent{height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-600))}
.container{max-width:1040px;margin:0 auto;padding:24px}
.header{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.brand .title{font-weight:700;font-size:18px}
.brand .subtitle{font-size:12px;color:var(--muted)}
.nav a{color:var(--muted);text-decoration:none;margin-left:16px}
.nav a:hover{color:var(--primary)}
.intro{margin:6px 0 18px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px}
.card h3{margin:0 0 6px;font-size:16px}
.meta{color:var(--muted);font-size:12px;margin:0 0 8px}
.actions a{display:inline-block;margin-right:12px;color:var(--primary);text-decoration:none}
.actions a:hover{text-decoration:underline}
footer{border-top:1px solid var(--border);margin-top:24px;padding-top:12px;color:var(--muted);font-size:12px}