/* ===============================
   ROOT VARIABLES
================================= */

:root {
    --primary: #0f172a;
    --secondary: #1e293b;
    --accent: #3b82f6;
    --bg: #020617;

    --card-bg: #1e293b;

    --text-main: #e2e8f0;
    --text-light: #94a3b8;

    --error: #ef4444;
    --warning: #f59e0b;
    --success: #22c55e;
}

/* ===============================
   GLOBAL
================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text-main);
}


/* ===============================
   NAVBAR
================================= */

.navbar {
    background: var(--secondary);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar h1 {
    font-size: 20px;
    font-weight: 600;
}

.version {
    font-size: 12px;
    margin-left: 10px;
    color: var(--text-light);
}

.status-badge {
    font-size: 14px;
    color: var(--success);
}


/* ===============================
   LAYOUT
================================= */

.container {
    display: flex;
    min-height: calc(100vh - 70px);
}


/* ===============================
   SIDEBAR
================================= */

.sidebar {
    width: 220px;
    background: var(--secondary);
    padding-top: 20px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 8px;
}

.sidebar a {
    display: block;
    padding: 12px 20px;
    color: var(--text-main);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.sidebar a:hover,
.sidebar .active a {
    background: var(--accent);
}


/* ===============================
   CONTENT
================================= */

.content {
    flex: 1;
    padding: 30px;
}


/* ===============================
   PAGE HEADER
================================= */

.page-header h2 {
    font-size: 22px;
    margin-bottom: 6px;
}

.page-header p {
    color: var(--text-light);
    margin-bottom: 25px;
}


/* ===============================
   KPI CARDS
================================= */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #334155;
}

.kpi-card h3 {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.kpi-value {
    font-size: 24px;
    font-weight: bold;
}

.kpi-value.error {
    color: var(--error);
}

.kpi-value.warning {
    color: var(--warning);
}


/* ===============================
   CHARTS
================================= */

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

.chart-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #334155;
}

.chart-header {
    margin-bottom: 15px;
}

.chart-header h3 {
    font-size: 15px;
}


/* ===============================
   BUTTONS
================================= */

.btn,
.btn-primary {
    padding: 10px 18px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

.btn.primary {
    background: var(--accent);
    color: white;
}

.btn.primary:hover {
    background: #2563eb;
}

.btn.secondary {
    background: #334155;
    color: white;
}

.btn.secondary:hover {
    background: #475569;
}


/* ===============================
   FILTER SECTION
================================= */

.filter-section {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #334155;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    font-size: 13px;
    margin-bottom: 5px;
    color: var(--text-light);
}

.filter-group input,
.filter-group select {
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #475569;
    background: #0f172a;
    color: var(--text-main);
}


/* ===============================
   TABLES
================================= */

.table-section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #334155;
    overflow-x: auto;
}

.logs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.logs-table th {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #334155;
    color: var(--text-light);
}

.logs-table td {
    padding: 12px;
    border-top: 1px solid #334155;
}

.logs-table tr:hover {
    background: #0f172a;
}


/* ===============================
   LEVEL BADGES
================================= */

.level-info {
    color: #3b82f6;
    font-weight: 600;
}

.level-warn {
    color: var(--warning);
    font-weight: 600;
}

.level-error {
    color: var(--error);
    font-weight: 600;
}

.level-critical {
    color: #a855f7;
    font-weight: 600;
}


/* ===============================
   ANOMALY HISTORY
================================= */

.history-table {
    width: 100%;
    border-collapse: collapse;
}

.history-table th,
.history-table td {
    padding: 12px;
    border-bottom: 1px solid #334155;
}

.empty-row {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
}


/* ===============================
   SEVERITY BADGES
================================= */

.severity-badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.severity-high {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.severity-medium {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.severity-low {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}


/* ===============================
   PAGINATION
================================= */

.pagination-section {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}


/* ===============================
   FOOTER
================================= */

.footer {
    text-align: center;
    padding: 15px;
    font-size: 13px;
    background: var(--secondary);
}


/* ===============================
   SCROLLBAR (nice UI touch)
================================= */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #020617;
}

::-webkit-scrollbar-thumb {
    background: #475569;
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}


/* ===============================
   RESPONSIVE
================================= */

@media (max-width: 900px) {

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .container {
        flex-direction: column;
    }
}