/* IoT Monitoring Dashboard Styles */
:root {
    /* Color Palette */
    --primary-bg: #0f0f23;
    --secondary-bg: #1a1a2e;
    --card-bg: #16213e;
    --accent-blue: #00d4ff;
    --accent-cyan: #00ffcc;
    --accent-purple: #7b2cbf;
    --accent-pink: #ff006e;
    --success-green: #00ff88;
    --warning-yellow: #ffaa00;
    --error-red: #ff073a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: #2a2a4e;
    --shadow-color: rgba(0, 212, 255, 0.1);

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Dashboard Container */
.dashboard-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.dashboard-header {
    background: rgba(22, 33, 62, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-section i {
    font-size: 2rem;
    color: var(--accent-blue);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.logo-section h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.search-box input {
    background: rgba(42, 42, 78, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 300px;
    transition: var(--transition-normal);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.notification-bell {
    position: relative;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.notification-bell:hover {
    background: rgba(255, 255, 255, 0.1);
}

.notification-bell i {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.notification-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--error-red);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50%;
    min-width: 18px;
    text-align: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.user-profile:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-profile i {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

/* Navigation Styles */
.main-navigation {
    background: rgba(26, 26, 46, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    border-bottom: 3px solid transparent;
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.nav-item i {
    font-size: 1rem;
}

/* Main Dashboard Content */
.dashboard-main {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Overview Cards */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.card {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    opacity: 0;
    transition: var(--transition-normal);
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-header i {
    font-size: 1.5rem;
    color: var(--accent-blue);
}

.card-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Status Card Specific */
.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.status-indicator.online {
    color: var(--success-green);
}

.status-indicator.offline {
    color: var(--error-red);
}

.status-indicator.warning {
    color: var(--warning-yellow);
}

.uptime {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: var(--spacing-sm);
}

/* Metric Cards */
.metric-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.metric-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.metric-trend.up {
    color: var(--success-green);
    background: rgba(0, 255, 136, 0.1);
}

.metric-trend.down {
    color: var(--error-red);
    background: rgba(255, 7, 58, 0.1);
}

.metric-trend.stable {
    color: var(--text-muted);
    background: rgba(160, 160, 160, 0.1);
}

/* Current Card */
.current-card .card-header i {
    color: var(--accent-pink);
}

.current-card .metric-value {
    color: var(--accent-pink);
}

/* Voltage Card */
.voltage-card .card-header i {
    color: var(--warning-yellow);
}

.voltage-card .metric-value {
    color: var(--warning-yellow);
}

/* Temperature Card */
.temperature-card .card-header i {
    color: var(--accent-cyan);
}

.temperature-card .metric-value {
    color: var(--accent-cyan);
}

/* Power Card */
.power-card .card-header i {
    color: var(--accent-purple);
}

.power-card .metric-value {
    color: var(--accent-purple);
}

/* Efficiency Card */
.efficiency-card .card-header i {
    color: var(--success-green);
}

.efficiency-card .metric-value {
    color: var(--success-green);
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.chart-container {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.chart-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.chart-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.time-range {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.8rem;
}

.time-range:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.time-range.active {
    background: var(--accent-blue);
    color: var(--primary-bg);
    border-color: var(--accent-blue);
}

canvas {
    max-height: 300px;
    width: 100% !important;
}

/* Device Grid */
.device-grid {
    margin-bottom: var(--spacing-xxl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.add-device-btn {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.add-device-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.devices-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.device-card {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    cursor: pointer;
}

.device-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.1);
}

.device-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.device-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-icon i {
    font-size: 1.5rem;
    color: white;
}

.device-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.device-location {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.device-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.device-status.online {
    color: var(--success-green);
    background: rgba(0, 255, 136, 0.1);
}

.device-status.offline {
    color: var(--error-red);
    background: rgba(255, 7, 58, 0.1);
}

.device-status.warning {
    color: var(--warning-yellow);
    background: rgba(255, 170, 0, 0.1);
}

.device-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metric {
    text-align: center;
}

.metric-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-xs);
}

.metric-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.device-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: var(--primary-bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--accent-blue);
}

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

    .overview-cards {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .header-controls {
        width: 100%;
        justify-content: space-between;
    }

    .search-box input {
        width: 200px;
    }

    .nav-content {
        padding: 0 var(--spacing-lg);
        overflow-x: auto;
    }

    .dashboard-main {
        padding: var(--spacing-lg);
    }

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

    .devices-container {
        grid-template-columns: 1fr;
    }

    .device-metrics {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .section-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .logo-section h1 {
        font-size: 1.4rem;
    }

    .device-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

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

    .device-actions {
        flex-direction: column;
    }

    .chart-controls {
        flex-wrap: wrap;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease-out;
}

.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.2s; }
.card:nth-child(4) { animation-delay: 0.3s; }
.card:nth-child(5) { animation-delay: 0.4s; }
.card:nth-child(6) { animation-delay: 0.5s; }

.device-card {
    animation: fadeInUp 0.6s ease-out;
}

.device-card:nth-child(2) { animation-delay: 0.2s; }
.device-card:nth-child(3) { animation-delay: 0.4s; }

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-blue);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Device Page Styles */
.device-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
}

.device-header {
    background: rgba(22, 33, 62, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
}

.device-header .header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.device-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.device-icon-large {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.device-icon-large i {
    font-size: 2.5rem;
    color: white;
}

.device-details h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.device-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.device-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
}

.device-status-badge.online {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success-green);
}

.device-status-badge.warning {
    background: rgba(255, 170, 0, 0.1);
    color: var(--warning-yellow);
}

.device-status-badge.offline {
    background: rgba(255, 7, 58, 0.1);
    color: var(--error-red);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Device Overview */
.device-overview {
    padding: var(--spacing-xxl) var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xxl);
}

.info-card, .metrics-summary {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.info-card h3, .metrics-summary h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
    font-family: var(--font-mono);
}

/* Big Metrics */
.big-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.big-metric {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.big-metric:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.metric-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.metric-icon i {
    font-size: 1.5rem;
    color: white;
}

.metric-icon.current {
    background: linear-gradient(135deg, #ff006e, #ff4081);
}

.metric-icon.voltage {
    background: linear-gradient(135deg, #ffaa00, #ffca28);
}

.metric-icon.temperature {
    background: linear-gradient(135deg, #00d4ff, #26c6da);
}

.metric-icon.power {
    background: linear-gradient(135deg, #7b2cbf, #9c27b0);
}

.metric-content {
    flex: 1;
}

.metric-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Device Charts */
.device-charts {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.chart-section {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.chart-container-large {
    height: 400px;
    position: relative;
}

/* Connection Alert */
.connection-alert {
    background: rgba(255, 7, 58, 0.1);
    border: 1px solid rgba(255, 7, 58, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.alert-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.alert-content i {
    font-size: 2rem;
    color: var(--error-red);
}

.alert-text h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.alert-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Device Logs */
.device-logs {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.logs-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.log-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.logs-container {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-height: 400px;
    overflow-y: auto;
}

.log-entry {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--text-muted);
    width: 80px;
    flex-shrink: 0;
}

.log-level {
    width: 60px;
    flex-shrink: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.log-level.info {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-blue);
}

.log-level.warning {
    background: rgba(255, 170, 0, 0.1);
    color: var(--warning-yellow);
}

.log-level.error {
    background: rgba(255, 7, 58, 0.1);
    color: var(--error-red);
}

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

/* Alerts Section */
.alerts-section {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

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

.alert-card {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.alert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.alert-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.alert-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.alert-status.active {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success-green);
}

.alert-status.inactive {
    background: rgba(160, 160, 160, 0.1);
    color: var(--text-muted);
}

.alert-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.alert-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Troubleshooting Section */
.troubleshooting-section {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.troubleshooting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.troubleshoot-card {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.troubleshoot-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.1);
}

.troubleshoot-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.troubleshoot-icon i {
    font-size: 1.8rem;
    color: white;
}

.troubleshoot-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.troubleshoot-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
}

/* Button Sizes */
.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8rem;
}

/* Responsive Design for Device Pages */
@media (max-width: 1200px) {
    .device-charts {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .device-header .header-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .device-header-info {
        flex-direction: column;
        text-align: center;
    }

    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .overview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

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

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

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(22, 33, 62, 0.95);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 300px;
    max-width: 400px;
    z-index: 1000;
    animation: slideInRight 0.3s ease-out;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.notification-success {
    border-left: 4px solid var(--success-green);
}

.notification-error {
    border-left: 4px solid var(--error-red);
}

.notification-warning {
    border-left: 4px solid var(--warning-yellow);
}

.notification-info {
    border-left: 4px solid var(--accent-blue);
}

.notification-success i {
    color: var(--success-green);
}

.notification-error i {
    color: var(--error-red);
}

.notification-warning i {
    color: var(--warning-yellow);
}

.notification-info i {
    color: var(--accent-blue);
}

.notification span {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Ripple Effect for Buttons */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}