* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, sans-serif; margin: 0; background: #f4f6f8; color: #1a1a1a; line-height: 1.45; }
a { color: #1565c0; text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
header { background: #1e293b; color: #fff; padding: 1rem 0; margin-bottom: 1.5rem; }
header .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
header nav a { color: #cbd5e1; margin-left: 1rem; white-space: nowrap; }
header nav a:hover { color: #fff; }
main h1 { margin: 0 0 1rem; font-size: 1.5rem; }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 1.25rem; margin-bottom: 1rem; }
.item-card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 1rem; margin-bottom: 1rem; }
.item-card:last-child { margin-bottom: 0; }
.item-card h3 { margin: 0 0 .5rem; font-size: 1.1rem; }
.item-card p { margin: .25rem 0; color: #475569; }
h2 { margin-top: 0; font-size: 1.15rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid #e5e7eb; vertical-align: top; }
th { font-weight: 600; background: #f8fafc; }
.form-stack { max-width: 42rem; }
.field { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: .35rem 1rem; align-items: center; margin-bottom: .65rem; }
.field-label { color: #374151; font-size: .95rem; }
.field-input,
.form-stack input[type="text"],
.form-stack input[type="number"],
.form-stack input[type="password"],
.form-stack select { width: 100%; padding: .45rem .6rem; border: 1px solid #cbd5e1; border-radius: 4px; font: inherit; background: #fff; }
.field-input:focus,
.form-stack input:focus,
.form-stack select:focus { outline: 2px solid #93c5fd; border-color: #60a5fa; }
.field-check { align-items: start; }
.field-check .field-label { padding-top: .15rem; }
.check-line { display: flex; align-items: center; gap: .5rem; margin: 0 0 .35rem; cursor: pointer; }
.check-line:last-child { margin-bottom: 0; }
.check-line input { width: auto; margin: 0; }
.form-actions { margin-top: .75rem; padding-left: 12rem; }
.btn { display: inline-block; background: #1565c0; color: #fff; border: 0; padding: .5rem 1rem; border-radius: 6px; cursor: pointer; font: inherit; }
.btn:hover { background: #1256a3; }
.btn-secondary { background: #64748b; }
.btn-secondary:hover { background: #475569; }
.btn-danger { background: #b91c1c; }
.btn-danger:hover { background: #991b1b; }
.btn-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; padding-top: .75rem; border-top: 1px solid #e2e8f0; }
.flash { padding: .75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.flash-ok { background: #dcfce7; color: #166534; }
.flash-err { background: #fee2e2; color: #991b1b; }
.login-box { max-width: 24rem; margin: 4rem auto; }
.badge { display: inline-block; padding: .15rem .5rem; border-radius: 4px; font-size: .85rem; background: #e2e8f0; }
.badge-on { background: #bbf7d0; }
.badge-off { background: #fecaca; }
.meta-list p { margin: .35rem 0; }
@media (max-width: 640px) {
    .field { grid-template-columns: 1fr; gap: .25rem; }
    .form-actions { padding-left: 0; }
    header nav a { margin-left: .75rem; }
    .btn-row .btn { width: 100%; }
}