/* ============================================
   CMMS Manufacturing Platform - Main Stylesheet
   ============================================ */

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

:root {
    /* Primary Colors */
    --primary-blue: #2563eb;
    --primary-green: #10b981;
    --primary-orange: #f59e0b;
    --primary-red: #ef4444;
    
    /* Neutral Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    
    /* Status Colors */
    --status-operational: #10b981;
    --status-maintenance: #fbbf24;
    --status-offline: #ef4444;
    --status-critical: #dc2626;
    
    /* Font */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    
    /* Spacing */
    --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 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

html, body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    height: 100%;
    width: 100%;
}

/* ============================================
   TOP HEADER BAR
   ============================================ */

.top-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    height: 80px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-blue);
}

.logo i {
    font-size: var(--font-size-2xl);
}

.header-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    margin-left: var(--spacing-lg);
    border-left: 2px solid var(--primary-blue);
    padding-left: var(--spacing-lg);
}

.header-center h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.header-center p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 0 0 auto;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

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

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

.sync-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.sync-info i {
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    width: 250px;
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

.search-box i {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.uptime-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: #fef3c7;
    color: #92400e;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.notifications {
    position: relative;
    cursor: pointer;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.notification-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--primary-red);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}

.settings {
    cursor: pointer;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.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: background-color 0.2s;
}

.user-profile:hover {
    background-color: var(--bg-tertiary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

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

/* ============================================
   MAIN CONTAINER LAYOUT
   ============================================ */

.main-container {
    display: flex;
    height: calc(100vh - 80px);
    width: 100%;
}

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

.sidebar {
    width: 220px;
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.sidebar-header h3 {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Quick Stats */
.quick-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

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

.nav-item.active {
    background-color: #dbeafe;
    color: var(--primary-blue);
    font-weight: 600;
}

.nav-item i:first-child {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.nav-item span:nth-child(2) {
    flex: 1;
    font-weight: 500;
}

.nav-item span:nth-child(3) {
    font-size: 11px;
    color: var(--text-secondary);
    display: block;
    margin-top: 2px;
}

.nav-item .soon-badge {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    margin-left: auto;
}

.nav-item i:last-child {
    margin-left: auto;
    font-size: 12px;
    opacity: 0.5;
}

/* System Status */
.system-status {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.system-status h4 {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.status-item i {
    width: 16px;
    text-align: center;
    color: var(--text-secondary);
}

.status-item span:nth-child(2) {
    flex: 1;
    color: var(--text-primary);
}

.status-badge {
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
}

.status-badge.active {
    background-color: #dcfce7;
    color: #166534;
}

.status-badge.optimal {
    background-color: #dbeafe;
    color: #0c4a6e;
}

.status-badge.alert {
    background-color: #fee2e2;
    color: #991b1b;
}

.system-health {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--status-operational);
}

.system-health i {
    color: var(--status-operational);
}

/* Sidebar User */
.sidebar-user {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
    border-radius: var(--radius-md);
}

.sidebar-user:hover {
    background-color: var(--bg-tertiary);
}

.user-avatar-large {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.sidebar-user span:nth-child(2) {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.user-role-small {
    font-size: 11px;
    color: var(--text-secondary);
}

.sidebar-user i {
    margin-top: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 12px;
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
}

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.header-title h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.header-title p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    box-shadow: var(--shadow-md);
}

.btn-success {
    background-color: var(--status-operational);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
    box-shadow: var(--shadow-md);
}

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

.btn-warning:hover {
    background-color: #d97706;
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--text-secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
    box-shadow: var(--shadow-md);
}

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

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

.kpi-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.card-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.card-header i {
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

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

.kpi-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.kpi-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.comparison {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.change {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.change.positive {
    color: var(--status-operational);
}

.change.negative {
    color: var(--primary-red);
}

.period {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.performance-bar {
    width: 100%;
    height: 6px;
    background-color: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

.uptime-card .bar-fill {
    background-color: var(--status-operational);
}

.orders-card .bar-fill {
    background-color: var(--primary-blue);
}

.overdue-card .bar-fill {
    background-color: var(--primary-orange);
}

.alerts-card .bar-fill {
    background-color: var(--primary-red);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

.performance-label {
    color: var(--text-secondary);
}

.performance-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.performance-status.excellent {
    color: var(--status-operational);
    background-color: #dcfce7;
}

.performance-status.good {
    color: var(--primary-blue);
    background-color: #dbeafe;
}

.performance-status.warning {
    color: #92400e;
    background-color: #fef3c7;
}

.performance-status.critical {
    color: var(--primary-red);
    background-color: #fee2e2;
}

.card-icon {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 48px;
    opacity: 0.1;
    color: var(--text-primary);
}

/* ============================================
   CONTENT GRID (Equipment + Alerts)
   ============================================ */

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

@media (max-width: 1400px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   EQUIPMENT STATUS SECTION
   ============================================ */

.equipment-section {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-header h2 i {
    color: var(--primary-blue);
}

.section-header p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    position: absolute;
    margin-top: 28px;
}

.equipment-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.search-filter {
    position: relative;
    flex: 1;
    max-width: 250px;
}

.search-filter input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background-color: var(--bg-tertiary);
}

.search-filter input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background-color: var(--bg-primary);
}

.search-filter i {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.filter-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: all 0.2s;
}

.filter-button:hover {
    background-color: var(--bg-tertiary);
}

.more-options {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    transition: color 0.2s;
}

.more-options:hover {
    color: var(--text-primary);
}

/* Equipment Status Boxes */
.equipment-status-boxes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.status-box {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    background-color: var(--bg-tertiary);
    transition: all 0.2s;
}

.status-box.operational {
    background-color: #dcfce7;
    border-left: 4px solid var(--status-operational);
}

.status-box.maintenance {
    background-color: #fef3c7;
    border-left: 4px solid var(--status-maintenance);
}

.status-box.offline {
    background-color: #fee2e2;
    border-left: 4px solid var(--status-offline);
}

.status-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.status-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Equipment Cards */
.equipment-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 1200px) {
    .equipment-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .equipment-cards {
        grid-template-columns: 1fr;
    }
}

.equipment-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-tertiary);
    transition: all 0.2s;
    position: relative;
}

.equipment-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.equipment-status-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background-color: rgba(16, 185, 129, 0.9);
    color: white;
    font-size: 11px;
    font-weight: 600;
    z-index: 10;
}

.equipment-status-badge.maintenance {
    background-color: rgba(251, 191, 36, 0.9);
}

.equipment-image {
    width: 100%;
    height: 150px;
    background-color: #333;
    overflow: hidden;
}

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.equipment-info {
    padding: var(--spacing-md);
}

.equipment-info h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   SYSTEM ALERTS SECTION
   ============================================ */

.alerts-section {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

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

.alerts-title {
    flex: 1;
}

.alerts-more {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    transition: color 0.2s;
}

.alerts-more:hover {
    color: var(--text-primary);
}

/* Alerts List */
.alerts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.alert-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background-color: var(--bg-tertiary);
    border-left: 4px solid transparent;
    transition: all 0.2s;
}

.alert-item.active {
    background-color: #fef3c7;
    border-left-color: var(--primary-orange);
}

.alert-item:hover {
    background-color: #fef08a;
}

.alert-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(245, 158, 11, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-orange);
    font-size: var(--font-size-lg);
}

.alert-content {
    flex: 1;
}

.alert-content h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.alert-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.equipment-ref {
    display: inline-block;
    font-size: 11px;
    background-color: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.alert-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.status-badge {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.status-badge.active {
    background-color: #fecaca;
    color: #991b1b;
}

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

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

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

@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-md);
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-lg);
    }

    .nav-menu {
        grid-column: 1 / -1;
    }

    .kpi-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .equipment-status-boxes {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-header {
        flex-wrap: wrap;
        height: auto;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .header-center {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
        order: 3;
        width: 100%;
    }

    .header-right {
        order: 2;
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .search-box {
        width: 100%;
    }

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

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

    .equipment-status-boxes {
        grid-template-columns: repeat(2, 1fr);
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}