/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #21262d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    width: 100%;
    max-width: 360px;
}

.login-header {
    text-align: center;
    margin-bottom: 24px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.error-message {
    color: var(--danger);
    font-size: 14px;
    margin-bottom: 16px;
    min-height: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    width: 100%;
}

.btn-primary:hover {
    background-color: #4c9aed;
}

.btn-secondary {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-control {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
    margin-top: 12px;
    width: 100%;
}

.btn-control:hover {
    border-color: var(--accent);
}

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

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

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ip-badge {
    padding: 6px 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    font-size: 13px;
    font-family: monospace;
}

/* Dashboard */
.dashboard {
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* Status Section */
.status-section {
    margin-bottom: 32px;
}

.status-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.card-body {
    padding: 16px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-of-type {
    border-bottom: none;
}

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

.info-row .value {
    font-size: 13px;
    font-family: monospace;
}

/* Status Indicator - Minimal LED Style */
.status-indicator {
    position: relative;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #4a5568;
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.5);
    transition: all 0.3s ease;
}

/* Inner bright spot for realism */
.status-indicator::before {
    content: '';
    position: absolute;
    top: 1px;
    left: 1px;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.status-indicator.active {
    background-color: #3fb950;
    box-shadow:
        0 0 2px #3fb950,
        0 0 4px #3fb950,
        0 0 8px rgba(63, 185, 80, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
    animation: pulse-glow-green 2s ease-in-out infinite;
}

.status-indicator.active::before {
    opacity: 1;
}

.status-indicator.inactive {
    background-color: #f85149;
    box-shadow:
        0 0 2px #f85149,
        0 0 4px rgba(248, 81, 73, 0.4),
        inset 0 1px 1px rgba(0, 0, 0, 0.3);
}

.status-indicator.warning,
.status-indicator.connecting {
    background-color: #d29922;
    box-shadow:
        0 0 2px #d29922,
        0 0 4px #d29922,
        0 0 8px rgba(210, 153, 34, 0.4),
        inset 0 1px 1px rgba(255, 255, 255, 0.15);
    animation: pulse-glow-orange 1s ease-in-out infinite;
}

.status-indicator.warning::before,
.status-indicator.connecting::before {
    opacity: 1;
}

/* Pulsing animations */
@keyframes pulse-glow-green {
    0%, 100% {
        box-shadow:
            0 0 2px #3fb950,
            0 0 4px #3fb950,
            0 0 8px rgba(63, 185, 80, 0.6),
            inset 0 1px 1px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow:
            0 0 3px #3fb950,
            0 0 6px #3fb950,
            0 0 12px rgba(63, 185, 80, 0.8),
            inset 0 1px 1px rgba(255, 255, 255, 0.3);
    }
}

@keyframes pulse-glow-orange {
    0%, 100% {
        box-shadow:
            0 0 2px #d29922,
            0 0 4px #d29922,
            0 0 8px rgba(210, 153, 34, 0.5),
            inset 0 1px 1px rgba(255, 255, 255, 0.15);
    }
    50% {
        box-shadow:
            0 0 3px #d29922,
            0 0 7px #d29922,
            0 0 14px rgba(210, 153, 34, 0.8),
            inset 0 1px 1px rgba(255, 255, 255, 0.25);
    }
}

/* Latency Badge in Cards */
.latency-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    margin-bottom: 12px;
    background-color: var(--bg-card);
    border-radius: 8px;
    border-left: 4px solid var(--success);
    transition: border-color 0.3s, background-color 0.3s;
}

.latency-badge .latency-value {
    font-size: 32px;
    font-weight: 500;
    font-family: monospace;
    transition: color 0.3s;
}

.latency-badge .latency-unit {
    font-size: 14px;
    color: var(--text-secondary);
}

.latency-badge .latency-target {
    font-size: 10px;
    color: var(--text-secondary);
    font-family: monospace;
    margin-left: 8px;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: 4px;
}

/* Latency color states */
.latency-badge.latency-good {
    border-left-color: var(--success);
}
.latency-badge.latency-good .latency-value {
    color: var(--success);
}

.latency-badge.latency-ok {
    border-left-color: #d29922;
}
.latency-badge.latency-ok .latency-value {
    color: #d29922;
}

.latency-badge.latency-warning {
    border-left-color: #f0883e;
}
.latency-badge.latency-warning .latency-value {
    color: #f0883e;
}

.latency-badge.latency-bad {
    border-left-color: var(--danger);
}
.latency-badge.latency-bad .latency-value {
    color: var(--danger);
}

/* Gauge Card */
.gauge-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 10px 0;
}

#throughput-gauge {
    width: 220px !important;
    height: 140px !important;
}

.gauge-value {
    text-align: center;
    margin-top: 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--success);
    border-radius: 8px;
    padding: 12px 24px;
    min-width: 120px;
    transition: border-left-color 0.3s;
}

.gauge-value span:first-child {
    font-size: 28px;
    font-weight: 600;
    font-family: monospace;
    color: var(--text-primary);
    transition: color 0.3s;
}

.gauge-value #gauge-speed-unit {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Gauge speed color states */
.gauge-value.speed-low { border-left-color: var(--success); }
.gauge-value.speed-low span:first-child { color: var(--success); }
.gauge-value.speed-medium { border-left-color: #58a6ff; }
.gauge-value.speed-medium span:first-child { color: #58a6ff; }
.gauge-value.speed-high { border-left-color: #d29922; }
.gauge-value.speed-high span:first-child { color: #d29922; }
.gauge-value.speed-max { border-left-color: #f85149; }
.gauge-value.speed-max span:first-child { color: #f85149; }

/* Blinking effect for very high speed (>1 MB/s) */
@keyframes speed-blink {
    0%, 100% {
        border-left-color: #f85149;
        background-color: var(--bg-tertiary);
    }
    50% {
        border-left-color: #ff2d2d;
        background-color: rgba(248, 81, 73, 0.15);
    }
}

.gauge-value.speed-critical {
    animation: speed-blink 0.8s ease-in-out infinite;
    border-left-color: #f85149;
}
.gauge-value.speed-critical span:first-child {
    color: #f85149;
}

/* Traffic Section */
.traffic-section {
    margin-bottom: 32px;
}

.chart-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    padding: 16px;
    height: 300px;
}

.traffic-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 3px;
    border-radius: 2px;
}

/* Speed Test Section */
.speedtest-section {
    margin-bottom: 32px;
}

.speedtest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.speedtest-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.speedtest-card-header {
    padding: 16px 20px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.speedtest-card-header h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.speedtest-route {
    font-size: 11px;
    color: var(--text-secondary);
    font-family: monospace;
}

.speedtest-card-body {
    padding: 20px;
}

.speedtest-boxes {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.speedtest-speed-box {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 14px;
    border-radius: 6px;
    border: 1px solid;
    transition: transform 0.2s, box-shadow 0.2s;
}

.speedtest-speed-box:hover {
    transform: translateY(-2px);
}

.speedtest-download {
    background-color: rgba(63, 185, 80, 0.1);
    border-color: rgba(63, 185, 80, 0.3);
    color: var(--success);
}

.speedtest-download:hover {
    box-shadow: 0 4px 12px rgba(63, 185, 80, 0.2);
}

.speedtest-upload {
    background-color: rgba(88, 166, 255, 0.1);
    border-color: rgba(88, 166, 255, 0.3);
    color: var(--accent);
}

.speedtest-upload:hover {
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.2);
}

.speedtest-speed-icon {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    opacity: 0.8;
}

.speedtest-speed-content {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.speedtest-speed-value {
    font-size: 24px;
    font-weight: 600;
    font-family: monospace;
    line-height: 1;
}

.speedtest-speed-unit {
    font-size: 12px;
    opacity: 0.7;
}

.speedtest-btn {
    width: 100%;
    padding: 12px 20px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.speedtest-btn:hover {
    background-color: var(--bg-card);
    border-color: var(--text-secondary);
}

.speedtest-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.speedtest-status {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    min-height: 18px;
}

/* Section Header with Controls */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-header h2 {
    margin-bottom: 0;
}

.section-header .btn {
    flex-shrink: 0;
    width: auto;
    padding: 8px 16px;
}

#add-client-btn {
    white-space: nowrap;
}

/* Time Range Selector */
.time-range-selector {
    display: flex;
    gap: 4px;
    background-color: var(--bg-card);
    padding: 4px;
    border-radius: 6px;
}

.range-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.range-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

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

/* Speedtest History Section */
.speedtest-history-section {
    margin-bottom: 32px;
}

.speedtest-chart-container {
    height: 250px;
    margin-bottom: 16px;
}

.speedtest-history-list {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
}

.speedtest-history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.speedtest-history-item:last-child {
    border-bottom: none;
}

.speedtest-history-time {
    color: var(--text-secondary);
    font-family: monospace;
    font-size: 11px;
}

.speedtest-history-type {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
}

.speedtest-history-type.germany {
    background-color: rgba(63, 185, 80, 0.2);
    color: var(--success);
}

.speedtest-history-type.iran {
    background-color: rgba(240, 136, 62, 0.2);
    color: var(--warning);
}

.speedtest-history-speeds {
    display: flex;
    gap: 16px;
    font-family: monospace;
}

.speedtest-history-speeds span {
    color: var(--text-secondary);
}

.speedtest-history-trigger {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* Speedtest History Grouped Rows */
.speedtest-history-row {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
}

.speedtest-history-row:last-child {
    border-bottom: none;
}

.history-date {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 60px;
}

.history-results {
    display: flex;
    flex: 1;
    gap: 24px;
}

.history-result {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.history-label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    min-width: 60px;
}

.history-result:first-child .history-label {
    color: var(--success);
}

.history-result:last-child .history-label {
    color: #f0883e;
}

.history-speeds {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-primary);
}

.history-speeds.germany {
    color: var(--success);
}

.history-speeds.iran {
    color: #f0883e;
}

/* Metrics Status Section */
.metrics-status-section {
    margin-bottom: 32px;
}

.metrics-status-section h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

.metric-item {
    text-align: center;
    padding: 12px;
    background-color: var(--bg-card);
    border-radius: 6px;
}

.metric-label {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.metric-value {
    display: block;
    font-size: 18px;
    font-weight: 500;
    font-family: monospace;
}

/* Small button variant */
.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

/* System Monitor Section */
.system-section {
    margin-bottom: 32px;
}

.system-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

/* Throughput Card */
.throughput-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.throughput-item {
    text-align: center;
    padding: 16px 12px;
    background-color: var(--bg-card);
    border-radius: 6px;
}

.throughput-item.vpn {
    border-left: 3px solid var(--success);
}

.throughput-item.iran {
    border-left: 3px solid var(--warning);
}

.throughput-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.throughput-values {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 8px;
}

.throughput-down, .throughput-up {
    font-family: monospace;
    font-size: 18px;
    font-weight: 500;
}

.throughput-down {
    color: var(--success);
}

.throughput-up {
    color: var(--accent);
}

.throughput-unit {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Hardware Card */
.hardware-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.hw-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hw-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.hw-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hw-bar {
    height: 8px;
    background-color: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
}

.hw-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--accent));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.hw-bar-fill.warning {
    background: linear-gradient(90deg, var(--warning), #e3a008);
}

.hw-bar-fill.danger {
    background: linear-gradient(90deg, var(--danger), #da3633);
}

.hw-value {
    font-family: monospace;
    font-size: 13px;
    color: var(--text-primary);
}

/* SMART Health Label */
.hw-smart-label {
    font-family: monospace;
    font-size: 9px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: inline-block;
    white-space: nowrap;
}

.hw-smart-label.smart-healthy {
    background-color: rgba(63, 185, 80, 0.15);
    color: var(--success);
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.hw-smart-label.smart-warning {
    background-color: rgba(210, 153, 34, 0.15);
    color: #d29922;
    border: 1px solid rgba(210, 153, 34, 0.3);
}

.hw-smart-label.smart-critical {
    background-color: rgba(248, 81, 73, 0.15);
    color: var(--danger);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

.hw-smart-label.smart-unknown {
    background-color: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
    border: 1px solid rgba(139, 148, 158, 0.3);
}

/* Temperature styling */
.temp-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--success);
    border-radius: 8px;
    padding: 12px 16px;
    transition: border-left-color 0.3s;
}

.temp-item .hw-value {
    font-size: 24px;
    font-weight: 500;
    font-family: monospace;
    transition: color 0.3s;
}

.temp-item.temp-ok {
    border-left-color: var(--success);
}
.temp-item.temp-ok .hw-value {
    color: var(--success);
}

.temp-item.temp-warm {
    border-left-color: #d29922;
}
.temp-item.temp-warm .hw-value {
    color: #d29922;
}

.temp-item.temp-hot {
    border-left-color: var(--danger);
}
.temp-item.temp-hot .hw-value {
    color: var(--danger);
}

/* System Info Card */
.sysinfo-card .card-body {
    padding: 12px 16px;
}

.sysinfo-card .info-row {
    padding: 10px 0;
    border-bottom: none;
}

/* Load Average Chart */
.load-chart-container {
    margin-top: 12px;
    padding: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.load-chart-header {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.load-bars {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.load-bar-item {
    display: grid;
    grid-template-columns: 28px 1fr 45px;
    align-items: center;
    gap: 8px;
}

.load-label {
    font-size: 11px;
    color: var(--text-secondary);
    font-family: monospace;
}

.load-bar {
    height: 8px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.load-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success) 0%, #58a6ff 50%, #d29922 75%, var(--danger) 100%);
    background-size: 400% 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.load-value {
    font-size: 12px;
    font-family: monospace;
    color: var(--text-primary);
    text-align: right;
}

/* Security Section */
.security-section {
    margin-bottom: 32px;
}

.security-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.security-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.security-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.security-card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.security-card-body {
    padding: 16px;
}

/* Health Score Circle */
.health-score-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.health-score-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-card);
    border: 4px solid var(--text-secondary);
    transition: border-color 0.3s, background-color 0.3s;
}

.health-score-circle.healthy {
    border-color: var(--success);
    background-color: rgba(63, 185, 80, 0.1);
}

.health-score-circle.warning {
    border-color: var(--warning);
    background-color: rgba(210, 153, 34, 0.1);
}

.health-score-circle.critical {
    border-color: var(--danger);
    background-color: rgba(248, 81, 73, 0.1);
}

.health-score-value {
    font-size: 32px;
    font-weight: 600;
    font-family: monospace;
    line-height: 1;
}

.health-score-circle.healthy .health-score-value {
    color: var(--success);
}

.health-score-circle.warning .health-score-value {
    color: var(--warning);
}

.health-score-circle.critical .health-score-value {
    color: var(--danger);
}

.health-score-unit {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Security Info Rows */
.security-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.security-info:last-child {
    border-bottom: none;
}

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

.security-value {
    font-size: 13px;
    font-family: monospace;
}

/* Leak Status */
.leak-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px;
    margin-bottom: 12px;
    background-color: var(--bg-card);
    border-radius: 8px;
    border-left: 4px solid var(--text-secondary);
}

.leak-status.safe {
    border-left-color: var(--success);
}

.leak-status.leak {
    border-left-color: var(--danger);
}

.leak-icon {
    font-size: 24px;
}

.leak-text {
    font-size: 16px;
    font-weight: 500;
}

.leak-status.safe .leak-text {
    color: var(--success);
}

.leak-status.leak .leak-text {
    color: var(--danger);
}

/* Auto-Recovery Toggle */
.auto-recovery-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 12px;
}

.toggle-status {
    font-size: 14px;
    font-weight: 500;
}

.toggle-status.enabled {
    color: var(--success);
}

.toggle-status.disabled {
    color: var(--text-secondary);
}

/* Packet Loss Display */
.packet-loss-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    padding: 16px;
    background-color: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 12px;
}

.packet-loss-value {
    font-size: 36px;
    font-weight: 300;
    font-family: monospace;
    color: var(--success);
}

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

.packet-loss-value.critical {
    color: var(--danger);
}

.packet-loss-unit {
    font-size: 16px;
    color: var(--text-secondary);
    margin-left: 4px;
}

/* Advanced Monitoring Section */
.monitoring-section {
    margin-bottom: 32px;
}

.monitoring-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 16px;
}

.monitoring-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.monitoring-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.monitoring-card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.monitoring-card-body {
    padding: 16px;
}

/* Bandwidth Gauge */
.bandwidth-gauge {
    display: flex;
    align-items: baseline;
    justify-content: center;
    padding: 20px;
    background-color: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 16px;
}

.bandwidth-current {
    font-size: 48px;
    font-weight: 300;
    font-family: monospace;
    color: var(--success);
}

.bandwidth-current.high {
    color: var(--warning);
}

.bandwidth-current.critical {
    color: var(--danger);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.bandwidth-unit {
    font-size: 16px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.bandwidth-thresholds {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.threshold-item {
    flex: 1;
    padding: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
    transition: border-color 0.3s;
}

.threshold-item:hover {
    border-color: var(--text-secondary);
}

.threshold-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 6px;
}

.threshold-value {
    font-size: 14px;
    font-family: monospace;
    color: var(--text-primary);
    font-weight: 500;
}

/* Bandwidth Alert Badge */
.bandwidth-alert-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.bandwidth-alert-badge.high {
    background-color: rgba(210, 153, 34, 0.2);
    color: var(--warning);
}

.bandwidth-alert-badge.critical {
    background-color: rgba(248, 81, 73, 0.2);
    color: var(--danger);
    animation: pulse 1s infinite;
}

/* Security Log */
.security-log-card {
    min-height: 300px;
}

.security-log-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 250px;
    overflow-y: auto;
}

.log-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background-color: var(--bg-card);
    border-radius: 6px;
    font-size: 12px;
    border-left: 3px solid var(--border-color);
}

.log-item.critical {
    border-left-color: var(--danger);
}

.log-item.warning {
    border-left-color: var(--warning);
}

.log-item.info {
    border-left-color: var(--accent);
}

.log-time {
    color: var(--text-secondary);
    font-family: monospace;
    white-space: nowrap;
    font-size: 11px;
}

.log-type {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
    background-color: var(--bg-secondary);
}

.log-message {
    flex: 1;
    color: var(--text-primary);
}

/* Traffic Analysis Section */
.traffic-analysis-section {
    margin-bottom: 32px;
}

.traffic-analysis-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.analysis-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.analysis-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.analysis-card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.analysis-card-body {
    padding: 16px;
}

/* Usage Rows */
.usage-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.usage-row-last {
    border-bottom: none;
}

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

.usage-value {
    font-size: 14px;
    font-weight: 500;
    font-family: monospace;
}

/* Usage Breakdown Boxes */
.usage-breakdown {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.usage-box {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 12px;
    border-radius: 6px;
    border: 1px solid;
    transition: transform 0.2s, box-shadow 0.2s;
}

.usage-box:hover {
    transform: translateY(-2px);
}

.usage-box-down {
    background-color: rgba(63, 185, 80, 0.1);
    border-color: rgba(63, 185, 80, 0.3);
    color: var(--success);
}

.usage-box-down:hover {
    box-shadow: 0 4px 12px rgba(63, 185, 80, 0.2);
}

.usage-box-up {
    background-color: rgba(88, 166, 255, 0.1);
    border-color: rgba(88, 166, 255, 0.3);
    color: var(--accent);
}

.usage-box-up:hover {
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.2);
}

.usage-box-icon {
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
}

.usage-box-value {
    font-size: 15px;
    font-weight: 600;
    font-family: monospace;
}

/* Connection Boxes */
.connections-boxes {
    display: flex;
    gap: 12px;
}

.connection-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 12px;
    border-radius: 6px;
    border: 1px solid;
    transition: transform 0.2s, box-shadow 0.2s;
}

.connection-box:hover {
    transform: translateY(-2px);
}

.connection-box-tcp {
    background-color: rgba(88, 166, 255, 0.1);
    border-color: rgba(88, 166, 255, 0.3);
    color: var(--accent);
}

.connection-box-tcp:hover {
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.2);
}

.connection-box-udp {
    background-color: rgba(163, 113, 247, 0.1);
    border-color: rgba(163, 113, 247, 0.3);
    color: #a371f7;
}

.connection-box-udp:hover {
    box-shadow: 0 4px 12px rgba(163, 113, 247, 0.2);
}

.connection-box-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.connection-box-value {
    font-size: 32px;
    font-weight: 300;
    font-family: monospace;
    line-height: 1;
}

/* Destinations List */
.destinations-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
}

.destination-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: var(--bg-card);
    border-radius: 6px;
    font-size: 12px;
}

.destination-ip {
    font-family: monospace;
    color: var(--text-primary);
}

.destination-count {
    padding: 2px 8px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    font-size: 11px;
    color: var(--accent);
}

/* Domains List */
.domains-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.domain-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background-color: var(--bg-card);
    border-radius: 6px;
    font-size: 12px;
    transition: background-color 0.2s;
}

.domain-item:hover {
    background-color: var(--bg-tertiary);
}

.domain-number {
    font-size: 11px;
    color: var(--text-secondary);
    min-width: 18px;
}

.domain-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.domain-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.domain-ip {
    font-family: monospace;
    font-size: 11px;
    color: var(--text-secondary);
}

.domain-count {
    padding: 3px 10px;
    background-color: rgba(88, 166, 255, 0.15);
    border: 1px solid rgba(88, 166, 255, 0.3);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    min-width: 30px;
    text-align: center;
}

/* Geo-Routing Section */
.geo-routing-section {
    margin-bottom: 32px;
}

.geo-routing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.geo-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.geo-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.geo-card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.geo-card-body {
    padding: 16px;
}

.geo-card-body .info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.geo-card-body .info-row:last-of-type {
    border-bottom: none;
}

/* Routing Stats */
.routing-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.routing-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background-color: var(--bg-card);
    border-radius: 6px;
    border-left: 3px solid var(--border-color);
}

.routing-stat.iran {
    border-left-color: var(--warning);
}

.routing-stat.intl {
    border-left-color: var(--success);
}

.routing-stat.blocked {
    border-left-color: var(--danger);
}

.routing-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.routing-value {
    font-family: monospace;
    font-size: 18px;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .dashboard {
        padding: 16px;
    }

    .status-cards {
        grid-template-columns: 1fr;
    }

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

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

    .speedtest-boxes {
        flex-direction: column;
        gap: 12px;
    }

    .traffic-legend {
        gap: 12px;
    }

    .section-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .time-range-selector {
        width: 100%;
        justify-content: space-between;
    }

    .speedtest-history-item {
        flex-wrap: wrap;
        gap: 8px;
    }

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

    .system-cards {
        grid-template-columns: 1fr;
    }

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

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

    .geo-routing-grid {
        grid-template-columns: 1fr;
    }

    .security-cards {
        grid-template-columns: 1fr;
    }

    .traffic-analysis-cards {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   TAB NAVIGATION
   ============================================ */

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.tab-navigation {
    display: flex;
    gap: 4px;
}

.tab-btn {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.tab-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-card);
}

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

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================
   CLIENTS PAGE
   ============================================ */

.clients-section {
    margin-bottom: 32px;
}

.clients-table-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

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

.clients-table th,
.clients-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.clients-table th {
    background-color: var(--bg-card);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.clients-table tr:last-child td {
    border-bottom: none;
}

.clients-table tr:hover {
    background-color: var(--bg-card);
}

.clients-table td {
    font-size: 13px;
}

.loading-row {
    text-align: center;
    color: var(--text-secondary);
    padding: 32px 16px !important;
}

/* Client Name */
.client-name {
    font-weight: 500;
    color: var(--text-primary);
}

.client-name.protected {
    color: var(--warning);
}

.client-name .protected-badge {
    display: inline-block;
    font-size: 9px;
    padding: 2px 6px;
    margin-left: 8px;
    background-color: rgba(210, 153, 34, 0.2);
    color: var(--warning);
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

/* Client IP */
.client-ip {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.active {
    background-color: rgba(63, 185, 80, 0.15);
    color: var(--success);
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.status-badge.disabled {
    background-color: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
    border: 1px solid rgba(139, 148, 158, 0.3);
}

.status-badge.expired {
    background-color: rgba(248, 81, 73, 0.15);
    color: var(--danger);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

/* Data Usage */
.data-usage {
    font-family: monospace;
    font-size: 12px;
}

.data-usage .used {
    color: var(--text-primary);
}

.data-usage .limit {
    color: var(--text-secondary);
}

.data-usage.warning .used {
    color: var(--warning);
}

.data-usage.critical .used {
    color: var(--danger);
}

/* Expiry Date */
.expiry-date {
    font-size: 12px;
}

.expiry-date.never {
    color: var(--text-secondary);
}

.expiry-date.soon {
    color: var(--warning);
}

.expiry-date.expired {
    color: var(--danger);
}

/* Last Handshake */
.last-handshake {
    font-size: 12px;
    color: var(--text-secondary);
}

.last-handshake.recent {
    color: var(--success);
}

.last-handshake.stale {
    color: var(--warning);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.action-btn {
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-secondary);
}

.action-btn.qr-btn {
    padding: 6px 8px;
}

.action-btn.edit-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.action-btn.delete-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.action-btn:disabled:hover {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 40px;
    height: 22px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 11px;
    cursor: pointer;
    transition: all 0.3s;
}

.toggle-switch.active {
    background-color: rgba(63, 185, 80, 0.3);
    border-color: var(--success);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    transition: all 0.3s;
}

.toggle-switch.active::after {
    left: 20px;
    background-color: var(--success);
}

.toggle-switch.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.toggle-switch.loading {
    pointer-events: none;
    opacity: 0.7;
}

.toggle-switch.loading::after {
    animation: toggle-loading 0.8s ease-in-out infinite;
    background-color: var(--accent);
}

@keyframes toggle-loading {
    0%, 100% {
        left: 2px;
    }
    50% {
        left: 20px;
    }
}

/* ============================================
   MODALS
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content-sm {
    max-width: 400px;
}

.modal-content-qr {
    max-width: 500px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.modal-header-danger {
    border-bottom-color: var(--danger);
}

.modal-header-danger h3 {
    color: var(--danger);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 20px;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 12px 12px;
}

/* Delete Modal */
.delete-warning {
    font-size: 14px;
    margin-bottom: 8px;
}

.delete-warning-sub {
    font-size: 12px;
    color: var(--text-secondary);
}

.btn-danger {
    background-color: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background-color: #da3633;
}

/* QR Modal */
.qr-modal-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.qr-code-container {
    display: flex;
    justify-content: center;
    padding: 16px;
    background-color: #fff;
    border-radius: 8px;
}

.qr-code-container img {
    max-width: 250px;
    height: auto;
}

.qr-loading {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    font-size: 14px;
}

.qr-not-available {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.qr-not-available p {
    margin: 0 0 8px 0;
    font-weight: 500;
    color: #333;
}

.qr-not-available small {
    color: #888;
    line-height: 1.4;
}

.config-text-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.config-text-container label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.config-text-container textarea {
    width: 100%;
    height: 120px;
    padding: 12px;
    font-family: monospace;
    font-size: 11px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    resize: none;
}

/* Servers Tab Placeholder */
.coming-soon {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.coming-soon p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive for Clients */
@media (max-width: 768px) {
    .header-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .tab-navigation {
        width: 100%;
    }

    .clients-table-container {
        overflow-x: auto;
    }

    .clients-table {
        min-width: 800px;
    }

    .modal-content {
        margin: 16px;
        max-height: calc(100vh - 32px);
    }
}

/* DHCP Section Styles */
.dhcp-server-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 24px;
    overflow: hidden;
}

.dhcp-server-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.dhcp-server-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dhcp-server-title h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.dhcp-server-title .server-host {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
}

.dhcp-status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.dhcp-status-badge.active {
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
}

.dhcp-status-badge.inactive {
    background: rgba(248, 81, 73, 0.15);
    color: var(--danger);
}

.dhcp-config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.dhcp-config-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.dhcp-config-item .value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    font-family: 'SF Mono', Monaco, monospace;
}

.dhcp-leases-section {
    padding: 20px;
}

.dhcp-leases-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.dhcp-leases-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dhcp-leases-count {
    font-size: 13px;
    color: var(--text-secondary);
}

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

.dhcp-leases-table th,
.dhcp-leases-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.dhcp-leases-table th {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-secondary);
}

.dhcp-leases-table tr:last-child td {
    border-bottom: none;
}

.dhcp-leases-table tr:hover {
    background: rgba(88, 166, 255, 0.05);
}

.dhcp-leases-table .ip-cell {
    font-family: 'SF Mono', Monaco, monospace;
    color: var(--accent);
}

.dhcp-leases-table .mac-cell {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
}

.dhcp-leases-table .hostname-cell {
    font-weight: 500;
}

.dhcp-leases-table .time-cell {
    color: var(--text-secondary);
    font-size: 13px;
}

.lease-status {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
}

.lease-status.active {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
}

.lease-status.expired {
    background: var(--danger);
}

.no-leases {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.no-leases-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .dhcp-config-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dhcp-leases-table {
        font-size: 13px;
    }

    .dhcp-leases-table th,
    .dhcp-leases-table td {
        padding: 10px 12px;
    }
}

/* Blocking Rules Styles */
.blocking-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.status-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.status-card .status-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.status-card .status-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

.status-card .status-value.active {
    color: var(--success);
}

.status-card .status-value.inactive {
    color: var(--danger);
}

/* Rules List */
.rules-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.rule-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.rule-card:hover {
    border-color: var(--accent);
}

.rule-card.disabled {
    opacity: 0.6;
}

.rule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.rule-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.rule-title h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.rule-title .rule-badge {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}

.rule-badge.enabled {
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
}

.rule-badge.disabled {
    background: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
}

.rule-actions {
    display: flex;
    gap: 8px;
}

.rule-body {
    padding: 16px 20px;
}

.rule-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.rule-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.preset-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.3);
    border-radius: 14px;
    font-size: 12px;
    color: var(--accent);
}

.preset-tag .preset-icon {
    font-size: 14px;
}

.rule-stats {
    display: flex;
    gap: 24px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.rule-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.rule-stat .stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.rule-stat .stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.custom-domains-list {
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
    color: var(--text-secondary);
    max-height: 100px;
    overflow-y: auto;
}

/* Presets Grid in Modal */
.presets-grid {
    max-height: 400px;
    overflow-y: auto;
    padding: 4px;
}

.preset-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.preset-checkbox:hover {
    border-color: var(--accent);
}

.preset-checkbox.selected {
    border-color: var(--accent);
    background: rgba(88, 166, 255, 0.1);
}

.preset-checkbox input[type="checkbox"] {
    margin-top: 2px;
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.preset-info {
    flex: 1;
}

/* Preset Categories */
.preset-category {
    margin-bottom: 20px;
}

.preset-category-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.preset-category-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
}

.preset-info .preset-name {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.preset-info .preset-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

.preset-info .preset-count {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Form Hint */
.form-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* Custom Domains Textarea */
#custom-domains {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-family: 'SF Mono', Monaco, monospace;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    resize: vertical;
}

#custom-domains:focus {
    outline: none;
    border-color: var(--accent);
}

/* Modal Large */
.modal-large {
    max-width: 700px;
}

/* Warning Text */
.warning-text {
    color: var(--warning);
    font-size: 14px;
    margin-top: 8px;
}

/* Rule Details */
.rule-details-section {
    margin-bottom: 20px;
}

.rule-details-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.domains-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.domain-tag {
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

.assigned-clients-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.client-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.3);
    border-radius: 16px;
    font-size: 13px;
    color: var(--accent);
}

/* Empty State */
.empty-rules {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-rules-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-rules h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-rules p {
    font-size: 14px;
    margin-bottom: 20px;
}

/* Client Rules List in Edit Modal */
.client-rules-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding: 4px;
}

.client-rule-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.client-rule-checkbox:hover {
    border-color: var(--accent);
}

.client-rule-checkbox.selected {
    border-color: var(--accent);
    background: rgba(88, 166, 255, 0.1);
}

.client-rule-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.client-rule-info {
    flex: 1;
}

.client-rule-info .rule-name {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}

.client-rule-info .rule-domains {
    font-size: 12px;
    color: var(--text-secondary);
}

.no-rules-message {
    padding: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 768px) {
    .blocking-status-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .rule-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .rule-actions {
        width: 100%;
        justify-content: flex-end;
    }
}