/* 
   Fleet Maintenance Management Dashboard - Premium Stylesheet
   Design Inspiration: Linear, Notion, Fleetio, Power BI
   Supports Light & Dark Modes, Responsive Layouts, Glassmorphism, and Print Styles.
*/

/* --- THEME CUSTOM PROPERTIES --- */
:root[data-theme="dark"] {
    --bg-app: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    --bg-sidebar: #0f172a;
    --bg-header: rgba(15, 23, 42, 0.8);
    --bg-input: #1e293b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.5);
    --glass-blur: blur(16px);
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
    --table-stripe: rgba(255, 255, 255, 0.02);
}

:root[data-theme="light"] {
    --bg-app: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --bg-sidebar: #0f172a; /* Keep sidebar dark for professional contrast */
    --bg-header: rgba(255, 255, 255, 0.8);
    --bg-input: #ffffff;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-hover: rgba(0, 0, 0, 0.15);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --glass-blur: blur(12px);
    --glass-border: 1px solid rgba(0, 0, 0, 0.04);
    --table-stripe: rgba(0, 0, 0, 0.015);
}

/* Global Constant Variables */
:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-rgb: 59, 130, 246;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --border-radius: 12px;
}

/* --- RESET & GLOBAL STYLES --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-app);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    height: 100vh;
}

button, input, select {
    font-family: inherit;
    color: inherit;
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color-hover);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- LAYOUT STRUCTURE --- */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Collapsible Sidebar styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: #f8fafc;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-brand {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.brand-logo {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.brand-info {
    margin-left: 12px;
    display: flex;
    flex-direction: column;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.sidebar.collapsed .brand-info {
    opacity: 0;
    pointer-events: none;
}

.brand-title {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
}

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

.sidebar-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s;
}

.sidebar.collapsed .sidebar-toggle {
    transform: translateY(-50%) rotate(180deg);
    right: auto;
    left: 28px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 20px 0;
}

.nav-list {
    list-style: none;
}

.nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    padding: 12px 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: #cbd5e1;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

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

.nav-item.active {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

.nav-icon {
    font-size: 16px;
    width: 24px;
    text-align: center;
}

.nav-label {
    margin-left: 12px;
    white-space: nowrap;
    transition: opacity 0.2s ease;
}

.sidebar.collapsed .nav-label {
    opacity: 0;
    pointer-events: none;
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: rgba(0, 0, 0, 0.1);
}

.sidebar.collapsed .sidebar-footer {
    padding: 20px 12px;
}

/* Theme switch styling */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    transition: justify-content 0.3s;
}

.sidebar.collapsed .theme-switch-wrapper {
    justify-content: center;
}

.sidebar.collapsed .theme-icon {
    display: none;
}

.theme-switch {
    display: inline-block;
    height: 20px;
    position: relative;
    width: 40px;
}

.theme-switch input {
    display:none;
}

.theme-slider {
    background-color: #475569;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}

.theme-slider:before {
    background-color: #fff;
    bottom: 3px;
    content: "";
    height: 14px;
    left: 3px;
    position: absolute;
    transition: .4s;
    width: 14px;
    border-radius: 50%;
}

input:checked + .theme-slider {
    background-color: var(--primary);
}

input:checked + .theme-slider:before {
    transform: translateX(20px);
}

/* Refresh countdown styling */
.refresh-status {
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed .refresh-status {
    display: none;
}

.refresh-bar-container {
    height: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.refresh-bar {
    height: 100%;
    background-color: var(--primary);
    width: 100%;
    transition: width 1s linear;
}

.refresh-text-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-secondary);
}

/* Main content workspace */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* --- APP HEADER & SEARCH --- */
.app-header {
    height: 64px;
    background-color: var(--bg-header);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.header-search-bar {
    position: relative;
    width: 400px;
}

.header-search-bar input {
    width: 100%;
    padding: 10px 16px 10px 38px;
    border-radius: 20px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    outline: none;
    font-size: 13px;
    transition: all 0.2s ease;
}

.header-search-bar input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.search-dropdown-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    max-height: 300px;
    overflow-y: auto;
    background-color: var(--bg-header);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
}

.search-dropdown-results.active {
    display: block;
}

.search-result-item {
    padding: 10px 16px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.search-result-badge {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    background-color: var(--border-color-hover);
}

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

/* --- BUTTONS & INPUTS --- */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    gap: 8px;
}

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

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

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

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

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

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

.icon-btn-small {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    font-size: 14px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

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

/* Dropdown Export Styles */
.dropdown-export {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: var(--bg-header);
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    z-index: 1000;
    margin-top: 4px;
    overflow: hidden;
}

.dropdown-content a {
    color: var(--text-primary);
    padding: 10px 16px;
    text-decoration: none;
    display: block;
    font-size: 12px;
    transition: background-color 0.2s;
}

.dropdown-content a:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.dropdown-export:hover .dropdown-content {
    display: block;
}

/* --- STICKY FILTER PANEL --- */
.filter-panel {
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.filter-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-right: 16px;
    white-space: nowrap;
}

.filter-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    width: 100%;
}

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

.filter-item label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

.filter-item select, .filter-item input[type="date"] {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    outline: none;
    cursor: pointer;
    min-width: 120px;
    transition: border-color 0.2s;
}

.filter-item select:focus, .filter-item input:focus {
    border-color: var(--primary);
}

.date-picker-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.date-picker-range span {
    font-size: 11px;
    color: var(--text-secondary);
}

.filter-clear-wrapper {
    margin-left: auto;
}

.btn-clear {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 12px;
    color: var(--danger);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.btn-clear:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

/* --- EMERGENCY ALERT CAROUSEL STRIP --- */
.alerts-strip {
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.15), rgba(245, 158, 11, 0.15));
    border-bottom: 1px solid rgba(239, 68, 68, 0.2);
    padding: 8px 24px;
    display: flex;
    align-items: center;
    font-size: 12px;
    overflow: hidden;
    white-space: nowrap;
    animation: fadeIn 0.5s ease;
    flex-shrink: 0;
}

.alerts-strip.hidden {
    display: none;
}

.alerts-strip-title {
    font-weight: 700;
    color: var(--danger);
    margin-right: 12px;
    flex-shrink: 0;
}

.alerts-strip-content {
    display: flex;
    gap: 24px;
    animation: marquee 30s linear infinite;
}

.alerts-strip-content:hover {
    animation-play-state: paused;
}

.alert-strip-item {
    cursor: pointer;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.alert-strip-item:hover {
    text-decoration: underline;
    color: var(--primary);
}

@keyframes marquee {
    0% { transform: translateX(50vw); }
    100% { transform: translateX(-100%); }
}

/* --- PAGE CONTAINER VIEW --- */
.page-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.module-view {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.module-view.active {
    display: block;
}

.module-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

/* --- KPI CARDS GRID --- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

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

.kpi-card.clickable {
    cursor: pointer;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: transparent;
}

.kpi-card:hover::before {
    background-color: var(--primary);
}

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.kpi-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-icon {
    font-size: 16px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--border-color);
}

.kpi-icon.blue { background-color: rgba(59, 130, 246, 0.15); color: var(--primary); }
.kpi-icon.green { background-color: rgba(16, 185, 129, 0.15); color: var(--success); }
.kpi-icon.yellow { background-color: rgba(245, 158, 11, 0.15); color: var(--warning); }
.kpi-icon.red { background-color: rgba(239, 68, 68, 0.15); color: var(--danger); }

.kpi-value {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 4px;
    letter-spacing: -1px;
}

.kpi-value.green { color: var(--success); }
.kpi-value.red { color: var(--danger); }
.kpi-value.yellow { color: var(--warning); }
.kpi-value.blue { color: var(--primary); }

.kpi-footer {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.text-green { color: var(--success) !important; font-weight: 600 !important; }
.text-red { color: var(--danger) !important; font-weight: 600 !important; }
.text-yellow { color: var(--warning) !important; font-weight: 600 !important; }

/* --- CHARTS GRID & PANELS --- */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.charts-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.chart-panel {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.chart-panel:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-color-hover);
}

.chart-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.chart-container {
    position: relative;
    height: 250px;
    width: 100%;
}

.chart-container-large {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-container-small {
    position: relative;
    height: 220px;
    width: 100%;
}

/* --- DATA TABLES --- */
.panel-section {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.margin-top {
    margin-top: 24px;
}

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

.panel-title {
    font-size: 14px;
    font-weight: 700;
}

.table-container {
    overflow-x: auto;
    width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    text-align: left;
}

.data-table th {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
    font-weight: 700;
    padding: 12px 16px;
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color 0.2s;
}

.data-table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.04);
}

.data-table tbody tr:nth-of-type(even) {
    background-color: var(--table-stripe);
}

/* Badge tags in tables */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-warning { background-color: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-info { background-color: rgba(59, 130, 246, 0.15); color: var(--primary); }

.bold {
    font-weight: 700;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    gap: 8px;
}

/* Split Grids */
.content-split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 24px;
}

@media (max-width: 1024px) {
    .content-split-grid {
        grid-template-columns: 1fr;
    }
}

/* --- MODULE 3: MAINTENANCE SPECIFICS --- */
.module-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.maintenance-config-box {
    background-color: var(--bg-card);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    font-weight: 600;
}

.maintenance-config-box input[type="range"] {
    cursor: pointer;
    accent-color: var(--primary);
}

.calendar-list-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.calendar-card {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calendar-card.expired { border-left-color: var(--danger); background-color: rgba(239, 68, 68, 0.03); }
.calendar-card.warning { border-left-color: var(--warning); background-color: rgba(245, 158, 11, 0.03); }
.calendar-card.success { border-left-color: var(--success); background-color: rgba(16, 185, 129, 0.03); }

.calendar-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 700;
}

.calendar-card-date {
    font-size: 11px;
    color: var(--text-secondary);
}

.calendar-card-detail {
    font-size: 11px;
    color: var(--text-muted);
}

/* --- MODULE 5: VEHICLE PERFORMANCE SPECIFICS --- */
.score-indicator-bar {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 4px;
}

.score-fill {
    height: 100%;
    border-radius: 3px;
}

/* --- MODULE 6: VEHICLE DETAIL LAYOUT --- */
.detail-search-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.search-input-group select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: 20px;
    outline: none;
    font-size: 13px;
    min-width: 250px;
}

.detail-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    align-items: start;
}

.vehicle-profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.profile-avatar {
    font-size: 40px;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--bg-input), var(--border-color-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.profile-title h2 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 4px;
}

.profile-details-grid {
    width: 100%;
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    text-align: left;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 12px;
}

.detail-row .lbl {
    color: var(--text-secondary);
}

.detail-row .val {
    font-weight: 600;
}

.health-score-radial {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.radial-score {
    font-size: 48px;
    font-weight: 900;
    line-height: 1;
    color: var(--success);
}

.radial-label {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-secondary);
    margin-top: 4px;
}

.detail-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
}

.detail-tab-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    padding: 12px 8px;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.detail-tab-btn:hover {
    color: var(--text-primary);
}

.detail-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.detail-tab-content {
    display: none;
    animation: fadeIn 0.3s;
}

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

/* Timeline specific styles */
.timeline-container {
    position: relative;
    padding-left: 24px;
    margin-left: 8px;
    border-left: 2px solid var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 20px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -31px;
    top: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color-hover);
    border: 2px solid var(--bg-card);
    transition: transform 0.2s;
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.3);
}

.timeline-marker.blue { background-color: var(--primary); }
.timeline-marker.green { background-color: var(--success); }
.timeline-marker.red { background-color: var(--danger); }
.timeline-marker.yellow { background-color: var(--warning); }

.timeline-content {
    font-size: 12px;
}

.timeline-date {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.timeline-text {
    color: var(--text-primary);
    font-weight: 600;
}

.timeline-subtext {
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 2px;
}

.doc-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.doc-card {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 1px solid var(--border-color);
}

.doc-card-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
}

.doc-card-date {
    font-size: 13px;
    font-weight: 800;
}

.doc-card-days {
    font-size: 11px;
    font-weight: 600;
}

/* --- MODULE 7: PREDICTIVE ANALYTICS SPECIFICS --- */
.predictive-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 1024px) {
    .predictive-grid {
        grid-template-columns: 1fr;
    }
}

.predictive-card-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.predictive-card {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
    cursor: pointer;
}

.predictive-card:hover {
    border-color: var(--border-color-hover);
    background-color: var(--border-color);
}

.pred-avatar {
    font-size: 24px;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pred-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pred-title {
    font-size: 13px;
    font-weight: 700;
}

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

.pred-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 6px;
}

/* --- MODULE 8: EXECUTIVE SPECIFICS --- */
.executive-kpi-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

@media (max-width: 1024px) {
    .executive-kpi-row {
        grid-template-columns: 1fr 1fr;
    }
}

.exec-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--border-radius);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.exec-num {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.exec-lbl {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* --- MODAL DIALOG LAYOUT --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10000;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-dialog {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 80%;
    max-width: 900px;
    max-height: 85%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal.active .modal-dialog {
    transform: translateY(0);
}

.modal-large {
    max-width: 1200px;
}

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

.modal-title {
    font-size: 16px;
    font-weight: 800;
}

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

.modal-close-btn:hover {
    color: white;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.drilldown-stats-strip {
    display: flex;
    gap: 32px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    background-color: rgba(0,0,0,0.1);
    padding: 12px 16px;
    border-radius: 8px;
}

.compare-selector-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

#compare-pills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.compare-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    background-color: var(--primary);
    color: white;
}

.compare-pill-close {
    cursor: pointer;
    opacity: 0.8;
}

.compare-pill-close:hover {
    opacity: 1;
}

.compare-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.double-span {
    grid-column: span 2;
}

@media (max-width: 1024px) {
    .compare-charts-grid {
        grid-template-columns: 1fr;
    }
    .double-span {
        grid-column: span 1;
    }
}

/* Empty states */
.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.padding-50 {
    padding: 50px 0;
}

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

/* --- KEYFRAMES --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        left: -100%;
        height: 100%;
        transition: left 0.3s ease;
    }
    .sidebar.active {
        left: 0;
    }
    .main-content {
        width: 100vw;
    }
    .app-header {
        padding: 0 16px;
    }
    .header-search-bar {
        width: 180px;
    }
    .filter-panel {
        padding: 12px 16px;
    }
    .filter-grid {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-item select, .filter-item input {
        min-width: 100%;
    }
}

/* --- PRINT / PDF EXPORT OPTIMIZED STYLES --- */
@media print {
    body {
        background-color: white !important;
        color: black !important;
        height: auto !important;
        overflow: visible !important;
    }
    .sidebar, .app-header, .filter-panel, #alerts-carousel-container, .pagination-container, .btn, .maintenance-config-box, #detail-compare-btn, .theme-switch-wrapper, .refresh-status {
        display: none !important;
    }
    .app-layout {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }
    .main-content {
        padding: 0 !important;
        overflow: visible !important;
        height: auto !important;
    }
    .page-container {
        padding: 0 !important;
        overflow: visible !important;
        height: auto !important;
    }
    /* Show all sections sequentially for the report */
    .module-view {
        display: block !important;
        page-break-after: always;
        opacity: 1 !important;
        transform: none !important;
    }
    .kpi-card {
        border: 1px solid #ccc !important;
        background: none !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }
    .chart-panel, .panel-section {
        border: 1px solid #ccc !important;
        background: none !important;
        box-shadow: none !important;
        page-break-inside: avoid;
        margin-bottom: 20px;
    }
    .data-table th {
        background-color: #f1f5f9 !important;
        color: black !important;
        border-bottom: 2px solid black !important;
    }
    .data-table td {
        border-bottom: 1px solid #ccc !important;
        color: black !important;
    }
    .detail-layout {
        grid-template-columns: 1fr !important;
    }
    .detail-tab-content {
        display: block !important;
        margin-top: 20px;
        page-break-inside: avoid;
    }
    .detail-tabs {
        display: none !important;
    }
}