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

:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --card-shadow: 0 10px 30px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --vh: 1vh;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #009ac9 100%);
    color: #333;
    overflow-x: hidden;
}

/* Mobile Menu Button - FIXED POSITIONING */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    transform: scale(1.05);
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    backdrop-filter: blur(3px);
}

/* Loader Animation */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #118ff7 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s;
}

.loader {
    text-align: center;
    color: white;
}

.truck-loader {
    font-size: 60px;
    animation: truckMove 2s ease-in-out infinite;
    position: relative;
}

.road {
    width: 200px;
    height: 4px;
    background: white;
    margin-top: 20px;
    position: relative;
    overflow: hidden;
}

.road::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    animation: roadMove 1.5s infinite;
}

@keyframes truckMove {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

@keyframes roadMove {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

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

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

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

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.container {
    display: flex;
    min-height: 100vh;
    opacity: 0;
    animation: fadeIn 0.5s forwards;
}

/* Sidebar Styles - MAKE IT FIXED FOR MOBILE */
.center-nav {
    width: 280px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 2px 0 20px rgba(0,0,0,0.1);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    left: 0;
}

/* Mobile sidebar hidden by default */
@media (max-width: 768px) {
    .center-nav {
        left: -100%;
    }
    
    .center-nav.active {
        left: 0;
        box-shadow: 2px 0 20px rgba(0,0,0,0.2);
    }
}

.center-nav .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 40px;
}

.center-nav .pro-badge {
    font-size: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-text-fill-color: transparent;
    padding: 2px 6px;
    border-radius: 20px;
    font-weight: 600;
}

.center-nav .nav-links {
    list-style: none;
    flex: 1;
}

.center-nav .nav-links li {
    margin-bottom: 8px;
    position: relative;
}

.center-nav .nav-links li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #6c7a8d;
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.center-nav .nav-links li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(52,152,219,0.1), transparent);
    transition: width 0.3s;
}

.center-nav .nav-links li a:hover::before {
    width: 100%;
}

.center-nav .nav-links li.active a,
.center-nav .nav-links li a:hover {
    background: linear-gradient(135deg, rgba(52,152,219,0.1), rgba(44,62,80,0.1));
    color: var(--primary-color);
    transform: translateX(5px);
}

.center-nav .nav-badge {
    margin-left: auto;
    background: var(--success-color);
    color: white;
    padding: 2px 6px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    animation: pulse 2s infinite;
}

.center-nav .count-badge {
    margin-left: auto;
    background: var(--primary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
}

.center-nav .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid #eef2f6;
    margin-top: 20px;
    position: relative;
}

.center-nav .user-avatar {
    position: relative;
}

.center-nav .user-avatar img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.online-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: var(--success-color);
    border-radius: 50%;
    border: 2px solid white;
    animation: pulse 2s infinite;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: #6c7a8d;
}

.settings-btn {
    margin-left: auto;
    background: none;
    border: none;
    color: #6c7a8d;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.settings-btn:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

/* Main Content Styles - ADJUST FOR MOBILE */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 32px;
    overflow-y: auto;
    transition: margin-left 0.3s ease;
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-top: 70px;
    }
}

/* Content Sections */
.content-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

.section-page {
    padding: 20px;
    background: white;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
}

.section-page h2 {
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

@media (max-width: 768px) {
    .section-page h2 {
        font-size: 20px;
    }
}

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    background: white;
    padding: 24px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
        gap: 16px;
        padding: 20px;
    }
    
    .header-left h1 {
        font-size: 24px;
    }
    
    .welcome-text {
        font-size: 14px;
    }
    
    .header-right {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .date-time {
        font-size: 12px;
        text-align: center;
    }
    
    .btn-primary {
        width: 100%;
        justify-content: center;
    }
}

.header-left h1 {
    font-size: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.welcome-text i {
    color: var(--primary-color);
    margin-right: 8px;
}

.date-time {
    font-size: 14px;
    color: #6c7a8d;
    margin-bottom: 10px;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(52,152,219,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52,152,219,0.4);
}

.btn-secondary {
    background: #f8f9fa;
    color: var(--secondary-color);
    border: 1px solid #eef2f6;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .stat-card {
        padding: 18px;
    }
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .stat-icon {
        width: 55px;
        height: 55px;
        font-size: 24px;
    }
    
    .stat-value {
        font-size: 28px;
    }
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
}

.stat-icon.blue {
    background: linear-gradient(135deg, rgba(52,152,219,0.2), rgba(52,152,219,0.1));
    color: var(--primary-color);
}

.stat-icon.green {
    background: linear-gradient(135deg, rgba(46,204,113,0.2), rgba(46,204,113,0.1));
    color: var(--success-color);
}

.stat-icon.orange {
    background: linear-gradient(135deg, rgba(243,156,18,0.2), rgba(243,156,18,0.1));
    color: var(--warning-color);
}

.stat-icon.red {
    background: linear-gradient(135deg, rgba(231,76,60,0.2), rgba(231,76,60,0.1));
    color: var(--danger-color);
}

.stat-details h3 {
    font-size: 14px;
    color: #6c7a8d;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 4px;
}

.stat-change {
    font-size: 12px;
    color: #6c7a8d;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-change.positive {
    color: var(--success-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

.live-indicator {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 12px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.alert-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.alert-btn:hover {
    transform: scale(1.05);
}

/* Shipments Section */
.shipments-section {
    background: white;
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--card-shadow);
}

@media (max-width: 768px) {
    .shipments-section {
        padding: 16px;
    }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
}

.title-section h2 {
    font-size: 20px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

@media (max-width: 768px) {
    .title-section h2 {
        font-size: 18px;
    }
}

.filter-buttons {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .filter-buttons {
        justify-content: center;
    }
    
    .filter-btn {
        padding: 6px 12px;
        font-size: 11px;
    }
}

.filter-btn {
    padding: 6px 16px;
    border: 1px solid #eef2f6;
    background: white;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 12px;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.search-bar {
    display: flex;
    align-items: center;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 8px 16px;
    border: 1px solid #eef2f6;
    gap: 8px;
}

@media (max-width: 768px) {
    .search-bar {
        width: 100%;
    }
    
    .search-bar input {
        width: 100%;
    }
}

.search-bar input {
    border: none;
    background: none;
    outline: none;
    font-size: 14px;
    width: 250px;
}

.filter-icon {
    background: none;
    border: none;
    color: #6c7a8d;
    cursor: pointer;
    transition: var(--transition);
}

.filter-icon:hover {
    color: var(--primary-color);
}

/* Table Styles - MAKE SCROLLABLE */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

@media (max-width: 768px) {
    th, td {
        padding: 10px 8px;
        font-size: 12px;
    }
}

th {
    text-align: left;
    padding: 12px;
    font-size: 12px;
    font-weight: 600;
    color: #6c7a8d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #eef2f6;
    cursor: pointer;
    transition: var(--transition);
}

th:hover {
    color: var(--primary-color);
}

th i {
    margin-left: 5px;
    font-size: 10px;
}

td {
    padding: 16px 12px;
    border-bottom: 1px solid #eef2f6;
    color: var(--secondary-color);
    font-size: 14px;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
    animation: fadeInScale 0.3s;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.status-pending {
    background: #fff4e6;
    color: var(--warning-color);
}

.status-transit {
    background: linear-gradient(135deg, rgba(52,152,219,0.2), rgba(52,152,219,0.1));
    color: var(--primary-color);
}

.status-delivered {
    background: linear-gradient(135deg, rgba(46,204,113,0.2), rgba(46,204,113,0.1));
    color: var(--success-color);
}

.status-delayed {
    background: linear-gradient(135deg, rgba(231,76,60,0.2), rgba(231,76,60,0.1));
    color: var(--danger-color);
}

.priority-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
}

.priority-high {
    background: linear-gradient(135deg, rgba(231,76,60,0.2), rgba(231,76,60,0.1));
    color: var(--danger-color);
}

.priority-medium {
    background: linear-gradient(135deg, rgba(243,156,18,0.2), rgba(243,156,18,0.1));
    color: var(--warning-color);
}

.priority-low {
    background: linear-gradient(135deg, rgba(52,152,219,0.2), rgba(52,152,219,0.1));
    color: var(--primary-color);
}

.progress-bar {
    width: 100px;
    height: 6px;
    background: #eef2f6;
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color), var(--primary-color));
    border-radius: 3px;
    transition: width 0.5s ease;
}

.action-btn {
    background: none;
    border: none;
    color: #6c7a8d;
    cursor: pointer;
    font-size: 16px;
    margin: 0 4px;
    transition: var(--transition);
    padding: 6px;
    border-radius: 6px;
}

.action-btn:hover {
    color: var(--primary-color);
    background: rgba(52,152,219,0.1);
    transform: scale(1.1);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .pagination {
        gap: 12px;
    }
    
    .page-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

.page-btn {
    padding: 8px 16px;
    background: white;
    border: 1px solid #eef2f6;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

/* Fleet Section */
.fleet-section {
    background: white;
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--card-shadow);
}

@media (max-width: 768px) {
    .fleet-section {
        padding: 16px;
    }
}

.fleet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .fleet-header {
        flex-direction: column;
        gap: 12px;
    }
    
    .fleet-header h2 {
        font-size: 18px;
    }
}

.fleet-header h2 {
    font-size: 20px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.refresh-btn {
    background: none;
    border: 1px solid #eef2f6;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.refresh-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(180deg);
}

.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

@media (max-width: 768px) {
    .fleet-grid, .full-fleet-grid {
        grid-template-columns: 1fr;
    }
}

.fleet-card {
    background: linear-gradient(135deg, #f8f9fa, white);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid #eef2f6;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.fleet-header-card i {
    font-size: 32px;
    color: var(--primary-color);
    animation: truckMove 1s infinite;
}

.fleet-status {
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.fleet-status.available {
    background: linear-gradient(135deg, rgba(46,204,113,0.2), rgba(46,204,113,0.1));
    color: var(--success-color);
}

.fleet-status.in-transit {
    background: linear-gradient(135deg, rgba(52,152,219,0.2), rgba(52,152,219,0.1));
    color: var(--primary-color);
}

.fleet-status.maintenance {
    background: linear-gradient(135deg, rgba(231,76,60,0.2), rgba(231,76,60,0.1));
    color: var(--danger-color);
}

.fleet-card h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.fleet-details {
    font-size: 13px;
    color: #6c7a8d;
}

.fleet-details p {
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Analytics Section */
.analytics-section {
    background: white;
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--card-shadow);
}

@media (max-width: 768px) {
    .analytics-section {
        padding: 16px;
    }
}

.analytics-section h2 {
    font-size: 20px;
    color: var(--secondary-color);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

@media (max-width: 768px) {
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 180px;
    }
}

.analytics-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 16px;
    transition: var(--transition);
}

.analytics-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.analytics-card h4 {
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.chart-container {
    position: relative;
    height: 200px;
}

/* Shipments Controls */
.shipments-controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .shipments-controls {
        flex-direction: column;
    }
    
    .export-buttons {
        justify-content: stretch;
    }
    
    .export-buttons .btn-secondary {
        flex: 1;
        justify-content: center;
    }
}

.export-buttons {
    display: flex;
    gap: 12px;
}

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

.full-table th {
    background: #f8f9fa;
    padding: 12px;
    font-weight: 600;
}

.full-table td {
    padding: 12px;
    border-bottom: 1px solid #eef2f6;
}

/* Tracking Section */
.tracking-search {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .tracking-search {
        flex-direction: column;
    }
    
    .tracking-input {
        width: 100%;
    }
    
    .tracking-search .btn-primary {
        width: 100%;
    }
}

.tracking-input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #eef2f6;
    border-radius: 12px;
    font-size: 16px;
    transition: var(--transition);
}

.tracking-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.tracking-result {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
    min-height: 200px;
}

.tracking-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.tracking-card.error {
    text-align: center;
    color: var(--danger-color);
}

.tracking-card.error i {
    font-size: 48px;
    margin-bottom: 16px;
}

.tracking-status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    margin: 10px 0;
}

.tracking-progress {
    margin: 20px 0;
}

.recent-tracking h3 {
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.tracking-list {
    display: grid;
    gap: 12px;
}

.tracking-item {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tracking-item:hover {
    background: #eef2f6;
    transform: translateX(5px);
}

/* Warehouse Section */
.warehouse-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .warehouse-stats {
        grid-template-columns: 1fr;
    }
    
    .warehouse-card {
        padding: 18px;
    }
}

.warehouse-card {
    background: linear-gradient(135deg, #f8f9fa, white);
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.warehouse-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.warehouse-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.warehouse-card h3 {
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.storage-bar {
    width: 100%;
    height: 8px;
    background: #eef2f6;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 12px;
}

.storage-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.5s;
}

.inventory-section {
    margin-top: 32px;
}

.inventory-section h3 {
    margin-bottom: 16px;
    color: var(--secondary-color);
}

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

.inventory-table th {
    background: #f8f9fa;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.inventory-table td {
    padding: 12px;
    border-bottom: 1px solid #eef2f6;
}

/* Fleet Management */
.fleet-controls {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .fleet-controls {
        flex-direction: column;
    }
    
    .fleet-controls .btn-primary,
    .fleet-controls .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

.fleet-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .fleet-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .fleet-stat-card {
        padding: 16px;
    }
}

.fleet-stat-card {
    background: linear-gradient(135deg, #f8f9fa, white);
    padding: 20px;
    border-radius: 16px;
    text-align: center;
}

.fleet-stat-card i {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.fleet-stat-card h3 {
    font-size: 14px;
    color: #6c7a8d;
    margin-bottom: 8px;
}

.fleet-stat-card p {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-color);
}

.full-fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.vehicle-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

@media (max-width: 768px) {
    .vehicle-actions {
        flex-direction: column;
    }
    
    .btn-small {
        width: 100%;
    }
}

.btn-small {
    flex: 1;
    padding: 8px;
    background: #f8f9fa;
    border: 1px solid #eef2f6;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 12px;
}

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

/* Reports Section */
.report-filters {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .report-filters {
        flex-direction: column;
    }
    
    .report-select, .date-input {
        width: 100%;
    }
}

.report-select, .date-input {
    padding: 10px 16px;
    border: 2px solid #eef2f6;
    border-radius: 10px;
    font-size: 14px;
    transition: var(--transition);
}

.report-select:focus, .date-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.report-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

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

.report-card {
    background: linear-gradient(135deg, #f8f9fa, white);
    padding: 24px;
    border-radius: 16px;
    text-align: center;
}

.report-card h4 {
    font-size: 14px;
    color: #6c7a8d;
    margin-bottom: 12px;
}

.report-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.detailed-report {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 24px;
    margin-top: 24px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 32px;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    animation: slideUp 0.3s;
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .modal-header h3 {
        font-size: 20px;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h3 {
    font-size: 24px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.close {
    font-size: 28px;
    cursor: pointer;
    color: #6c7a8d;
    transition: var(--transition);
}

.close:hover {
    color: var(--danger-color);
    transform: rotate(90deg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--secondary-color);
}

.form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #eef2f6;
    border-radius: 10px;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52,152,219,0.1);
}

/* Notification Container */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1002;
}

@media (max-width: 768px) {
    .notification-container {
        left: 16px;
        right: 16px;
        top: 70px;
    }
    
    .notification {
        padding: 12px 16px;
        font-size: 13px;
    }
}

.notification {
    background: white;
    color: var(--secondary-color);
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    animation: slideInRight 0.3s;
    border-left: 4px solid;
    position: relative;
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--danger-color);
}

.notification.info {
    border-left-color: var(--info-color);
}

.close-notification {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #999;
    transition: all 0.3s;
}

.close-notification:hover {
    color: #333;
    transform: scale(1.1);
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Settings Modal Styles */
.settings-modal {
    max-width: 800px !important;
    width: 90% !important;
    max-height: 90vh;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .settings-modal {
        width: 95% !important;
        max-height: 85vh;
    }
}

.small-modal {
    max-width: 450px !important;
}

.medium-modal {
    max-width: 600px !important;
}

/* Settings Tabs */
.settings-tabs {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid #eef2f6;
    margin-bottom: 24px;
    padding-bottom: 10px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .settings-tabs {
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
    }
    
    .tab-btn {
        white-space: nowrap;
        padding: 8px 16px;
        font-size: 13px;
    }
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #6c7a8d;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn i {
    font-size: 16px;
}

.tab-btn:hover {
    background: #f8f9fa;
    color: var(--primary-color);
}

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

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

/* Settings Items */
.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #eef2f6;
}

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

@media (max-width: 768px) {
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 0;
    }
    
    .setting-info {
        width: 100%;
    }
    
    .setting-select, .toggle-switch {
        width: 100%;
    }
}

.setting-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.setting-info i {
    font-size: 24px;
    color: var(--primary-color);
    width: 40px;
}

.setting-info h4 {
    margin-bottom: 4px;
    color: var(--secondary-color);
}

.setting-info p {
    font-size: 12px;
    color: #6c7a8d;
}

.setting-select {
    padding: 8px 16px;
    border: 2px solid #eef2f6;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.setting-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

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

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* Profile Settings */
.profile-settings {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.profile-avatar-section {
    display: flex;
    justify-content: center;
    position: relative;
}

.profile-avatar-preview {
    position: relative;
    display: inline-block;
}

.profile-avatar-preview img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.change-avatar-btn {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background: var(--primary-color);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.change-avatar-btn:hover {
    transform: scale(1.1);
}

.profile-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .profile-form {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .profile-actions {
        flex-direction: column;
    }
}

.profile-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Color Picker */
.color-picker {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .color-picker {
        justify-content: center;
    }
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: var(--secondary-color);
    transform: scale(1.1);
}

/* Password Strength */
.password-strength {
    margin-top: 8px;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
}

.password-strength.weak {
    background: #fee9e7;
    color: #e74c3c;
}

.password-strength.medium {
    background: #fff4e6;
    color: #f39c12;
}

.password-strength.strong {
    background: #e8f8f0;
    color: #2ecc71;
}

/* Login History List */
.login-history-list {
    max-height: 400px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #eef2f6;
    transition: var(--transition);
}

.history-item:hover {
    background: #f8f9fa;
}

.history-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.history-info .device {
    font-weight: 600;
    color: var(--secondary-color);
}

.history-info .location {
    font-size: 12px;
    color: #6c7a8d;
}

.history-time {
    font-size: 12px;
    color: #6c7a8d;
}

.history-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}

.history-badge.success {
    background: #e8f8f0;
    color: #2ecc71;
}

.history-badge.warning {
    background: #fff4e6;
    color: #f39c12;
}

/* Settings Footer */
.settings-footer {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 2px solid #eef2f6;
}

@media (max-width: 768px) {
    .settings-footer {
        flex-direction: column;
    }
}

/* Dark Mode Styles */
body.dark-mode {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

body.dark-mode .center-nav,
body.dark-mode .stat-card,
body.dark-mode .shipments-section,
body.dark-mode .fleet-section,
body.dark-mode .analytics-section,
body.dark-mode .section-page,
body.dark-mode .modal-content,
body.dark-mode .header {
    background: rgba(30, 30, 46, 0.95);
    color: #e0e0e0;
}

body.dark-mode .stat-value,
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4 {
    color: #e0e0e0;
}

body.dark-mode .setting-item {
    border-bottom-color: #2a2a3a;
}

/* Animation Speed */
body.animation-fast * {
    transition-duration: 0.1s !important;
}

body.animation-slow * {
    transition-duration: 0.6s !important;
}

body.animation-none * {
    transition: none !important;
    animation: none !important;
}

/* Font Sizes */
body.font-small {
    font-size: 12px;
}

body.font-large {
    font-size: 18px;
}

body.font-xlarge {
    font-size: 20px;
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    button, 
    .nav-link,
    .filter-btn,
    .action-btn,
    .page-btn,
    .tab-btn {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        min-height: 44px;
    }
    
    .stat-card:hover {
        transform: none;
    }
    
    .nav-links li a:hover {
        transform: none;
    }
    
    button:active,
    .nav-link:active {
        opacity: 0.7;
        transform: scale(0.98);
    }
}

/* Small Mobile (up to 480px) */
@media (max-width: 480px) {
    .main-content {
        padding: 12px;
        padding-top: 70px;
    }
    
    .header {
        padding: 16px;
    }
    
    .stat-card {
        padding: 14px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .section-page {
        padding: 16px;
    }
    
    .section-page h2 {
        font-size: 20px;
    }
    
    .modal-content {
        padding: 16px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 14px;
    }
    
    .action-btn {
        padding: 8px 10px;
    }
    
    .nav-links li a {
        padding: 14px 16px;
    }
    
    .user-info {
        padding: 16px 0;
    }
}