:root {
    --navy: #0b1f3d;
    --navy-light: #16305a;
    --orange: #f2994a;
    --orange-dark: #d97f30;
    --bg: #f7f8fa;
    --surface: #ffffff;
    --border: #e4e7ec;
    --text: #2a2f3a;
    --text-muted: #6b7280;
    --danger: #d64545;
    --success: #2f9e5b;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--orange-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px;
    background: var(--navy);
    color: #fff;
    padding: 24px 16px;
    flex-shrink: 0;
}

.sidebar .brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 32px;
    color: var(--orange);
}

.sidebar nav a {
    display: block;
    color: #c9d2e3;
    padding: 8px 10px;
    border-radius: var(--radius);
    margin-bottom: 2px;
    font-size: 13px;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background: var(--navy-light);
    color: #fff;
    text-decoration: none;
}

.sidebar .meta {
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.12);
    font-size: 12px;
    color: #93a0bd;
}

.main {
    flex: 1;
    padding: 28px 36px;
    min-width: 0;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h1 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

select, input, button {
    font-family: inherit;
    font-size: 13px;
}

select, input[type=text], input[type=email], input[type=password], input[type=number] {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
}

button, .btn {
    background: var(--orange);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    display: inline-block;
}

button:hover, .btn:hover { background: var(--orange-dark); text-decoration: none; }

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: #f0f1f3; }

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
}

.card .label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}

.card .value {
    font-size: 26px;
    font-weight: 600;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}

.panel h2 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.02em; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
}
.badge-ok { background: #e6f6ec; color: var(--success); }
.badge-off { background: #f3f0ff; color: var(--text-muted); }
.badge-error { background: #fdecec; color: var(--danger); }

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navy);
}

.login-box {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 36px 32px;
    width: 340px;
}

.login-box .brand {
    text-align: center;
    color: var(--navy);
    font-weight: 600;
    margin-bottom: 24px;
}
.login-box .brand span { color: var(--orange-dark); }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.field input { width: 100%; }

.alert {
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
}
.alert-error { background: #fdecec; color: var(--danger); }

.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 20px; flex-wrap: wrap; }

pre.payload {
    background: #f3f4f6;
    padding: 8px;
    border-radius: 6px;
    font-size: 12px;
    max-width: 420px;
    white-space: pre-wrap;
    word-break: break-word;
}