/**
 * Router Dashboard - Elegant & Simple Style
 * Dark background with light blue theme
 */

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

:root {
    /* Light blue theme colors */
    --primary-blue: #4a90e2;
    --light-blue: #e3f2fd;
    --lighter-blue: #f0f8ff;
    --medium-blue: #64b5f6;
    --dark-blue: #2e5c8a;

    /* Neutral colors */
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --gray: #e0e0e0;
    --medium-gray: #9e9e9e;
    --dark-gray: #424242;
    --text-dark: #212121;
    --bg-dark: #0d0d0d;

    /* Status colors */
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --info: #2196f3;

    /* Spacing */
    --sidebar-width: 250px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
        "Ubuntu", "Cantarell", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

/* ==================== Layout ==================== */
.container {
    display: flex;
    min-height: 100vh;
}

/* ==================== Sidebar ==================== */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(
        180deg,
        var(--primary-blue) 0%,
        var(--dark-blue) 100%
    );
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-header img.sidebar-logo {
    width: 140px;
    height: auto;
    max-height: 60px;
    margin: 0 auto var(--spacing-md) auto;
    display: block;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.sidebar-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.sidebar-header .subtitle {
    font-size: 12px;
    opacity: 0.8;
    font-weight: 300;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--white);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: rgba(255, 255, 255, 0.5);
}

.nav-item.active {
    background-color: rgba(255, 255, 255, 0.15);
    border-left-color: var(--white);
    font-weight: 500;
}

.nav-icon {
    font-size: 20px;
    margin-right: var(--spacing-md);
    width: 24px;
    text-align: center;
}

.nav-icon i[data-lucide] { width: 20px; height: 20px; }
.section-title i[data-lucide] { width: 18px; height: 18px; vertical-align: middle; }
.card-icon i[data-lucide] { width: 22px; height: 22px; }
.stat-icon i[data-lucide] { width: 28px; height: 28px; }
.text-green i[data-lucide] { color: var(--success); }
.text-red i[data-lucide] { color: var(--danger); }

.nav-text {
    font-size: 15px;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.version-info small {
    font-size: 11px;
    opacity: 0.6;
}

.logout-btn {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--white);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    margin-top: var(--spacing-md);
    background-color: rgba(244, 67, 54, 0.1);
}

.logout-btn:hover {
    background-color: rgba(244, 67, 54, 0.2);
    border-left-color: #f44336;
}

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    background-color: var(--bg-dark);
    min-height: 100vh;
}

.content-wrapper {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* ==================== Page Header ==================== */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: #999;
    font-size: 14px;
}

/* ==================== Cards ==================== */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray);
    background-color: var(--lighter-blue);
}

.card-header h3 {
    font-size: 18px;
    color: var(--dark-blue);
    margin: 0;
}

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

.card-body {
    padding: var(--spacing-lg);
}

/* ==================== Grid Layouts ==================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* ==================== Stat Cards ==================== */
.stat-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray);
    min-height: 120px;
}

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.stat-card-header > div:first-child {
    flex: 1;
    min-width: 0;
}

.stat-label {
    font-size: 12px;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1.2;
    margin: var(--spacing-sm) 0;
    word-break: break-word;
}

.stat-subtext {
    font-size: 12px;
    color: var(--medium-gray);
}

.stat-icon {
    font-size: 28px;
    opacity: 0.7;
    flex-shrink: 0;
}

/* ==================== Progress Bars ==================== */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--light-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-top: var(--spacing-sm);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--medium-blue));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-bar.success {
    background: linear-gradient(90deg, var(--success), #66bb6a);
}

.progress-bar.warning {
    background: linear-gradient(90deg, var(--warning), #ffb74d);
}

.progress-bar.danger {
    background: linear-gradient(90deg, var(--danger), #ef5350);
}

/* ==================== Tables ==================== */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

thead {
    background-color: var(--lighter-blue);
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--dark-blue);
    border-bottom: 2px solid var(--gray);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--light-gray);
    font-size: 14px;
    vertical-align: middle;
}

td code {
    background-color: var(--light-gray);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
}

tbody tr:hover {
    background-color: var(--lighter-blue);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ==================== Info Rows ==================== */
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--light-gray);
}

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

.info-label {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 14px;
}

.info-value {
    color: var(--medium-gray);
    font-weight: 600;
    font-size: 14px;
}

.text-primary {
    color: var(--primary-blue) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-muted {
    color: var(--medium-gray) !important;
}

/* ==================== Badges ==================== */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background-color: #e8f5e9;
    color: var(--success);
}

.badge-warning {
    background-color: #fff3e0;
    color: var(--warning);
}

.badge-danger {
    background-color: #ffebee;
    color: var(--danger);
}

.badge-info {
    background-color: var(--light-blue);
    color: var(--primary-blue);
}

.badge-light {
    background-color: var(--light-gray);
    color: var(--medium-gray);
}

/* ==================== Status Indicators ==================== */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse 2s infinite;
}

.status-dot.online {
    background-color: var(--success);
}

.status-dot.offline {
    background-color: var(--danger);
}

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

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--medium-gray);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
}

.empty-state-text {
    font-size: 16px;
}

/* ==================== Utility Classes ==================== */
.mt-3 {
    margin-top: var(--spacing-lg) !important;
}

.mb-2 {
    margin-bottom: var(--spacing-sm) !important;
}

/* ==================== WiFi Signal Bars ==================== */
.signal-bars {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 18px;
    vertical-align: middle;
}

.signal-bar {
    width: 4px;
    background-color: var(--gray);
    border-radius: 1px;
    transition: background-color 0.3s;
}

.signal-bar:nth-child(1) { height: 4px; }
.signal-bar:nth-child(2) { height: 8px; }
.signal-bar:nth-child(3) { height: 12px; }
.signal-bar:nth-child(4) { height: 16px; }

.signal-bars.excellent .signal-bar { background-color: var(--success); }
.signal-bars.good .signal-bar:nth-child(-n+3) { background-color: var(--success); }
.signal-bars.fair .signal-bar:nth-child(-n+2) { background-color: var(--warning); }
.signal-bars.poor .signal-bar:nth-child(1) { background-color: var(--danger); }

/* ==================== AP Status Badge ==================== */
.ap-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.ap-status-badge.online {
    background-color: #e8f5e9;
    color: var(--success);
}

.ap-status-badge.offline {
    background-color: #ffebee;
    color: var(--danger);
}

/* ==================== Error Count Badges ==================== */
.error-count {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.error-count.has-errors {
    background-color: #ffebee;
    color: var(--danger);
}

.error-count.no-errors {
    background-color: #e8f5e9;
    color: var(--success);
}

/* ==================== WiFi Summary Widget ==================== */
.wifi-summary-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.wifi-summary-status {
    margin-bottom: var(--spacing-sm);
}

/* ==================== Radio Card ==================== */
.radio-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* ==================== Client Row ==================== */
.client-row:hover {
    background-color: var(--lighter-blue);
}

.client-hostname {
    font-weight: 600;
    color: var(--dark-blue);
}

.client-vendor {
    font-size: 11px;
    color: var(--medium-gray);
}

.client-ip {
    font-family: monospace;
    font-size: 13px;
}

/* ==================== Sparklines ==================== */
.sparkline-row {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.sparkline-canvas {
    width: 100%;
    max-width: 140px;
    height: 30px;
}

/* ==================== WoL Button ==================== */
.wol-btn {
    background: none;
    border: 1px solid var(--gray);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    cursor: pointer;
    color: var(--primary-blue);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
}

.wol-btn:hover {
    background-color: var(--light-blue);
    border-color: var(--primary-blue);
}

.wol-btn i[data-lucide] {
    width: 16px;
    height: 16px;
}

/* ==================== Toast Notifications ==================== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 500;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success { background-color: var(--success); }
.toast-danger { background-color: var(--danger); }
.toast-warning { background-color: var(--warning); }
.toast-info { background-color: var(--info); }

/* ==================== Alert Badges ==================== */
.alert-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

/* ==================== Terminal ==================== */
.terminal-container {
    background-color: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ==================== Responsive ==================== */
@media (max-width: 1200px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .grid-2,
    .grid-3,
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 0;
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
    }

    .stat-value {
        font-size: 22px;
    }

    .page-header h2 {
        font-size: 20px;
    }

    .content-wrapper {
        padding: var(--spacing-md);
    }

    .card-body {
        padding: var(--spacing-md);
    }

    table {
        font-size: 13px;
    }

    th,
    td {
        padding: var(--spacing-sm);
    }
}