* { box-sizing: border-box; }
body {
    font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: #f4f6f9;
    color: #1f2937;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px 16px;
}
header.topbar {
    background: #111827;
    color: #fff;
    padding: 16px 0;
}
header.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0;
    padding-bottom: 0;
}
header.topbar a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
}
h1, h2 { margin-top: 0; }
table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid #e5e7eb;
    font-size: 14px;
}
th { background: #f9fafb; }
.btn {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 6px;
    border: none;
    background: #2563eb;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
}
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.danger { background: #dc2626; }
.btn.secondary { background: #6b7280; }
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
    padding: 20px;
    margin-bottom: 20px;
}
form .field { margin-bottom: 14px; }
form label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 4px;
}
form input[type=text], form input[type=number], form input[type=password], form input[type=url] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
}
form small { color: #6b7280; }
.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert.error { background: #fee2e2; color: #991b1b; }
.alert.success { background: #dcfce7; color: #166534; }
code, pre {
    background: #111827;
    color: #d1fae5;
    padding: 10px;
    border-radius: 6px;
    display: block;
    overflow-x: auto;
    font-size: 12px;
    white-space: pre;
}
.badge { padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge.on { background: #dcfce7; color: #166534; }
.badge.off { background: #fee2e2; color: #991b1b; }
.urls a { display:block; font-size: 13px; margin-bottom: 2px; }