* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; margin: 0; background: #f5f5f5; color: #333; }
.wrap { max-width: 960px; margin: 0 auto; padding: 24px; }
.card { background: #fff; border-radius: 12px; padding: 24px; box-shadow: 0 2px 12px rgba(0,0,0,.06); margin-bottom: 20px; }
h1 { margin: 0 0 8px; font-size: 24px; }
h2 { margin: 0 0 12px; font-size: 18px; }
.muted { color: #888; font-size: 14px; line-height: 1.6; }
label { display: block; margin: 12px 0 6px; font-size: 14px; }
input, textarea, select { width: 100%; padding: 10px 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px; }
button, .btn-link { background: #8b2942; color: #fff; border: 0; border-radius: 8px; padding: 10px 16px; cursor: pointer; font-size: 14px; text-decoration: none; display: inline-block; }
button.secondary { background: #666; }
button.ghost { background: #fff; color: #8b2942; border: 1px solid #8b2942; }
button.danger { background: #c0392b; }
button:disabled, button.btn-disabled { opacity: 0.45; cursor: not-allowed; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.error { color: #c0392b; margin-top: 8px; font-size: 14px; }
.hidden { display: none !important; }
.nav { display: flex; gap: 16px; margin-bottom: 16px; font-size: 14px; }
.nav a { color: #8b2942; text-decoration: none; }
.nav a.active { font-weight: 600; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 12px 8px; border-bottom: 1px solid #eee; text-align: left; vertical-align: middle; }
.table th { color: #666; font-weight: 600; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge.on { background: #e8f5e9; color: #2e7d32; }
.badge.off { background: #fce4ec; color: #c62828; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 100; padding: 16px; }
.modal-backdrop:not(.hidden) { display: flex; align-items: center; justify-content: center; }
.modal { background: #fff; border-radius: 12px; padding: 24px; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; }
.modal h2 { margin-top: 0; }