:root {
    --navy-900: #0F1B2D;
    --navy-800: #142338;
    --navy-700: #1A2D47;
    --navy-600: #233957;
    --navy-100: #E2E8F2;
    --gold: #D4A857;
    --gold-bright: #E8BC6E;
    --critical: #E25855;
    --warning: #E0A847;
    --notice: #5A9CD8;
    --ok: #5CC273;
    --text: #F4F6FA;
    --text-muted: #98A4BA;
    --bg: #0A111E;
    --card: #142338;
    --border: #1F324E;
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-bright); text-decoration: underline; }

.app {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--navy-900);
    border-right: 1px solid var(--border);
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.sidebar h1 {
    font-size: 18px;
    color: var(--gold);
    margin: 0 0 4px 0;
    letter-spacing: 0.5px;
}
.sidebar .tagline {
    color: var(--text-muted);
    font-size: 11px;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.sidebar nav a {
    display: block;
    padding: 8px 12px;
    margin: 2px 0;
    border-radius: 6px;
    color: var(--navy-100);
    transition: background .15s, color .15s;
}
.sidebar nav a:hover { background: var(--navy-700); text-decoration: none; }
.sidebar nav a.active { background: var(--navy-700); color: var(--gold); border-left: 3px solid var(--gold); padding-left: 9px; }
.sidebar .section-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin: 24px 12px 8px;
}

.main {
    padding: 0;
}
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--navy-800);
    border-bottom: 1px solid var(--border);
}
.topbar .crumbs { color: var(--text-muted); font-size: 13px; }
.topbar .crumbs strong { color: var(--text); }
.user-chip {
    display: flex;
    align-items: center;
    gap: 16px;
}
.user-chip .badge { color: var(--gold); }

.bell {
    position: relative;
    cursor: pointer;
    color: var(--navy-100);
}
.bell .dot {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--critical);
    color: white;
    border-radius: 999px;
    font-size: 10px;
    padding: 1px 5px;
    font-weight: 600;
}

.content {
    padding: 24px;
}

.page-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.page-title h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
}
.card h3 {
    margin: 0 0 12px 0;
    font-size: 15px;
    color: var(--gold);
    font-weight: 600;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}
.kpi {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}
.kpi .label {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 10px;
    margin-bottom: 8px;
}
.kpi .value { font-size: 28px; font-weight: 700; color: var(--gold); }
.kpi .delta { font-size: 12px; color: var(--text-muted); }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
table th, table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    background: var(--navy-800);
    position: sticky;
    top: 0;
}
table tbody tr:hover { background: rgba(212, 168, 87, 0.05); }
table .url-cell {
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--gold);
    background: transparent;
    color: var(--gold);
    cursor: pointer;
    font-size: 13px;
    text-decoration: none;
    transition: background .15s, color .15s;
}
.btn:hover { background: var(--gold); color: var(--navy-900); text-decoration: none; }
.btn.primary { background: var(--gold); color: var(--navy-900); }
.btn.primary:hover { background: var(--gold-bright); border-color: var(--gold-bright); }
.btn.danger { color: var(--critical); border-color: var(--critical); }
.btn.danger:hover { background: var(--critical); color: white; }

.input, select, textarea {
    background: var(--navy-900);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font: inherit;
    width: 100%;
}
.input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--gold);
}

.field { margin-bottom: 14px; }
.field label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.severity {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
.severity.critical { background: rgba(226, 88, 85, 0.15); color: var(--critical); }
.severity.warning { background: rgba(224, 168, 71, 0.15); color: var(--warning); }
.severity.notice { background: rgba(90, 156, 216, 0.15); color: var(--notice); }

.status-pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}
.status-pill.s2xx { background: rgba(92, 194, 115, 0.15); color: var(--ok); }
.status-pill.s3xx { background: rgba(90, 156, 216, 0.15); color: var(--notice); }
.status-pill.s4xx, .status-pill.s5xx { background: rgba(226, 88, 85, 0.15); color: var(--critical); }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-900) 0%, #050912 100%);
}
.login-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 360px;
    box-shadow: 0 12px 60px rgba(0, 0, 0, 0.5);
}
.login-box h1 {
    color: var(--gold);
    margin: 0 0 4px 0;
    font-size: 22px;
}
.login-box .tagline {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.alert {
    padding: 12px 14px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 13px;
}
.alert.error { background: rgba(226, 88, 85, 0.1); border: 1px solid var(--critical); color: var(--critical); }
.alert.success { background: rgba(92, 194, 115, 0.1); border: 1px solid var(--ok); color: var(--ok); }
.alert.info { background: rgba(90, 156, 216, 0.1); border: 1px solid var(--notice); color: var(--notice); }

.muted { color: var(--text-muted); }
.right { text-align: right; }
.flex { display: flex; gap: 12px; align-items: center; }
.spacer { flex: 1; }

.scroll-table { overflow: auto; max-height: 70vh; }

.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tabs a {
    padding: 10px 16px;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
}
.tabs a.active { color: var(--gold); border-bottom-color: var(--gold); }

pre.code {
    background: var(--navy-900);
    border: 1px solid var(--border);
    padding: 12px;
    border-radius: 6px;
    overflow: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
    color: var(--navy-100);
}