/* =============================================================================
   VS.NETFLOW Dashboard — Estilos
   ============================================================================= */

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

:root[data-theme="dark"] {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --border-color: #30363d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    padding: 16px;
    min-height: 100vh;
}

/* HEADER */
.dash-header {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 24px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dash-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.dash-logo {
    font-size: 32px;
}

.dash-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-blue);
}

.dash-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.router-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.router-selector label {
    color: var(--text-secondary);
    font-size: 13px;
}

.router-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    min-width: 250px;
}

.dash-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.refresh-timer {
    color: var(--accent-blue);
    font-size: 12px;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    min-width: 80px;
    text-align: center;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.refresh-timer.updating {
    background: var(--accent-blue);
    color: #fff;
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.hdr-time {
    color: var(--text-secondary);
    font-size: 13px;
    font-family: 'Courier New', monospace;
}

.hdr-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
}

.hdr-btn:hover {
    background: var(--bg-primary);
    border-color: var(--accent-blue);
}

.hdr-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

/* KPI CARDS */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.kpi-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.kpi-card.updating {
    animation: kpiUpdate 0.6s ease-in-out;
    border-color: var(--accent-blue);
}

@keyframes kpiUpdate {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); background: var(--bg-tertiary); }
    100% { transform: scale(1); }
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.kpi-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* PANELS */
.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.panel-hdr {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.panel-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.stat-item {
    background: var(--bg-tertiary);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 11px;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 4px;
}

.stat-value {
    color: var(--accent-blue);
    font-weight: 600;
}

.stat-value.highlight {
    color: var(--accent-green);
}

.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.traffic-charts-row {
    display: grid;
    grid-template-columns: 30fr 70fr;
    gap: 16px;
    margin-bottom: 16px;
}

.proto-sources-destinations-row {
    display: grid;
    grid-template-columns: 20fr 40fr 40fr;
    gap: 16px;
    margin-bottom: 16px;
}

.traffic-30 {
    grid-column: span 1;
}

.traffic-70 {
    grid-column: span 1;
}

.proto-20 {
    grid-column: span 1;
}

.sources-40 {
    grid-column: span 1;
}

.destinations-40 {
    grid-column: span 1;
}

.panel-lg { grid-column: span 1; }
.panel-sm { grid-column: span 1; }

.chart-wrap {
    position: relative;
    height: 280px;
}

.chart-wrap-tall {
    height: 340px;
}

/* MINI TABLE (protocols) */
.mini-table {
    margin-top: 12px;
    font-size: 12px;
}

.mini-table .row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
}

.mini-table .row:last-child {
    border-bottom: none;
}

/* DATA TABLES */
.tables-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.data-table-wrap {
    overflow-x: auto;
    max-height: 400px;
}

.data-table-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table-wrap th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    text-align: left;
    padding: 8px 12px;
    font-weight: 600;
    position: sticky;
    top: 0;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
}

.data-table-wrap th:hover {
    background: var(--bg-secondary);
    color: var(--accent-blue);
}

.data-table-wrap th.sortable::after {
    content: ' ↕';
    opacity: 0.5;
    font-size: 10px;
}

.data-table-wrap th.sorted-asc::after {
    content: ' ▲';
    opacity: 1;
    color: var(--accent-blue);
}

.data-table-wrap th.sorted-desc::after {
    content: ' ▼';
    opacity: 1;
    color: var(--accent-blue);
}

.data-table-wrap td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
}

.data-table-wrap tr:hover {
    background: var(--bg-tertiary);
}

.no-data {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* STATUS BAR */
.status-bar {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

#stLast {
    color: var(--text-secondary);
}

.st-ok { color: var(--accent-green); }
.st-err { color: var(--accent-red); }

/* LOADING OVERLAY */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-box {
    background: var(--bg-secondary);
    padding: 40px 60px;
    border-radius: 12px;
    border: 2px solid var(--accent-blue);
    text-align: center;
}

.loading-spinner {
    font-size: 32px;
    margin-bottom: 16px;
}

.loading-message {
    font-size: 18px;
    color: var(--accent-blue);
    font-weight: 600;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .charts-row {
        grid-template-columns: 1fr;
    }

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

    .proto-sources-destinations-row {
        grid-template-columns: 1fr;
    }

    .tables-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dash-header {
        flex-direction: column;
        gap: 16px;
    }
}