* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; color: #1f2937; background: #f3f4f6; }
a { color: #2563eb; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
main.auth { max-width: 380px; margin-top: 10vh; background: #fff; border-radius: 8px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 12px 24px; background: #111827; color: #fff; }
.topbar-admin { background: #7f1d1d; }
.topbar nav { display: flex; gap: 16px; flex-wrap: wrap; }
.topbar a { color: #fff; text-decoration: none; }
.page-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.card { background: #fff; border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stats .card strong { display: block; font-size: 28px; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #e5e7eb; vertical-align: middle; }
td.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.field { margin-bottom: 12px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; }
.field input[type=text], .field input[type=email], .field input[type=password], .field input[type=number], .field input[type=datetime-local], .field input[type=file] { width: 100%; max-width: 420px; padding: 8px; border: 1px solid #d1d5db; border-radius: 6px; }
.checkbox-list label { display: inline-flex; gap: 6px; font-weight: normal; margin-right: 16px; }
.btn, input[type=submit], button { display: inline-block; padding: 8px 14px; border: 0; border-radius: 6px; background: #2563eb; color: #fff; text-decoration: none; cursor: pointer; font-size: 14px; }
.btn-danger, form.danger button { background: #dc2626; }
.btn-secondary { background: #6b7280; }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.flash p { margin: 0; }
.flash-notice { background: #dcfce7; color: #166534; }
.flash-alert { background: #fee2e2; color: #991b1b; }
.badge { padding: 2px 8px; border-radius: 999px; font-size: 12px; background: #e5e7eb; }
.badge-ok { background: #dcfce7; color: #166534; }
.badge-off { background: #fee2e2; color: #991b1b; }
.token { font-family: monospace; font-size: 16px; padding: 12px; background: #111827; color: #a7f3d0; border-radius: 6px; word-break: break-all; }
.slides { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.slides img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 6px; background: #e5e7eb; }
.muted { color: #6b7280; }