:root{--fg:#111;--bg:#fff;--muted:#666;--pri:#2563eb;--bd:#e5e7eb}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:var(--fg);background:var(--bg);margin:0}
.container{max-width:760px;margin:0 auto;padding:24px}
header h1{margin:0 0 8px 0}
header h1 a{text-decoration:none;color:inherit}
nav{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 16px}
nav a, nav button{color:var(--pri);text-decoration:none;border:1px solid var(--bd);padding:6px 10px;border-radius:10px;background:#fff;cursor:pointer}
.card{border:1px solid var(--bd);border-radius:14px;padding:16px;margin:16px 0}
.card h2{margin:0 0 8px 0}
.meta{color:var(--muted);font-size:14px}
label{font-weight:600}
input,textarea{width:100%;padding:10px;border:1px solid var(--bd);border-radius:10px}
button.primary{background:var(--pri);color:#fff;border:none;padding:10px 14px;border-radius:10px;cursor:pointer}
.row{display:grid;gap:12px}
hr{border:none;border-top:1px solid var(--bd);margin:16px 0}
.actions{display:flex;gap:10px;flex-wrap:wrap}
input[type="file"]{border:none;padding:0}