body { font-family: system-ui, Arial, sans-serif; margin: 0; background: #f6f7f9; }
.header { display:flex; justify-content:space-between; align-items:center; padding:12px 16px; background:#111; color:#fff; }
.header a { color:#fff; text-decoration:none; margin-left:12px; }
.container { max-width: 1100px; margin: 16px auto; padding: 0 16px; }
.card { background:#fff; border-radius:12px; padding:16px; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.row { display:flex; gap:12px; flex-wrap:wrap; }
.input { width: 100%; padding:10px; border:1px solid #ddd; border-radius:10px; }
.btn { padding:10px 14px; border-radius:10px; border:0; cursor:pointer; }
.btn-primary { background:#111; color:#fff; }
.btn-secondary { background:#e6e6e6; }
.table { width:100%; border-collapse: collapse; }
.table th, .table td { padding:10px; border-bottom:1px solid #eee; text-align:left; }
.badge { display:inline-block; padding:2px 8px; border-radius:999px; background:#eee; font-size:12px; }
.error { color:#b00020; margin-top:10px; }
.small { color:#666; font-size:12px; }