* { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f4f6f8;
    color: #1f2937;
    margin: 0;
}
.wrap { max-width: 1000px; margin: 0 auto; padding: 24px 16px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
.link-muted { color: #6b7280; text-decoration: none; font-size: 14px; }
.link-muted:hover { text-decoration: underline; }

.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 18px; margin-bottom: 16px; }
.muted-card { background: #fafafa; }
.muted { color: #6b7280; font-size: 14px; }

.auth-box {
    max-width: 340px; margin: 80px auto; background: #fff; padding: 28px;
    border-radius: 12px; border: 1px solid #e5e7eb; text-align: center;
}
.auth-box input { width: 100%; padding: 10px; margin: 10px 0; border: 1px solid #d1d5db; border-radius: 8px; }
.auth-box button { width: 100%; padding: 10px; border: none; border-radius: 8px; background: #2563eb; color: #fff; cursor: pointer; font-size: 15px; }
.auth-box button:hover { background: #1d4ed8; }

.add-form { display: flex; gap: 8px; flex-wrap: wrap; }
.add-form input[type=url] { flex: 2; min-width: 260px; padding: 9px; border: 1px solid #d1d5db; border-radius: 8px; }
.add-form input[type=text] { flex: 1; min-width: 180px; padding: 9px; border: 1px solid #d1d5db; border-radius: 8px; }
.add-form button, form button[type=submit] { padding: 9px 16px; border: none; border-radius: 8px; background: #2563eb; color: #fff; cursor: pointer; }
.add-form button:hover { background: #1d4ed8; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.alert-ok { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #eee; vertical-align: top; }
.tbl th { color: #6b7280; font-weight: 600; }
.url-cell a { color: #2563eb; text-decoration: none; }
.err-text { color: #b91c1c; font-size: 12px; margin-top: 4px; }
.row-good { background: #ecfdf5; }
.preview { max-width: 500px; font-family: monospace; font-size: 12px; color: #374151; }

.badge { padding: 3px 8px; border-radius: 999px; font-size: 12px; }
.badge-on { background: #dcfce7; color: #166534; }
.badge-off { background: #f3f4f6; color: #6b7280; }

.actions { display: flex; gap: 6px; }
.btn-small { font-size: 12px; padding: 5px 10px; border: 1px solid #d1d5db; border-radius: 6px; background: #fff; cursor: pointer; }
.btn-small:hover { background: #f3f4f6; }
.btn-danger { color: #b91c1c; border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; }

pre { background: #f3f4f6; padding: 10px; border-radius: 8px; overflow-x: auto; font-size: 12px; }
code { background: #f3f4f6; padding: 1px 4px; border-radius: 4px; }