/* Cobrun Driver App Design System - Desktop First */
:root {
    /* Colors */
    --primary-500: #6D28D9;
    --primary-700: #4C1D95;
    --accent-300: #FDE047;
    --text-900: #0F172A;
    --text-500: #64748B;
    --bg-50: #F8FAFC;
    --surface-0: #FFFFFF;
    --border-200: #E2E8F0;
    --success-600: #16A34A;
    --warn-500: #F59E0B;
    --danger-600: #DC2626;
    
    /* Spacing (8pt grid) */
    --spacing-4: 4px;
    --spacing-8: 8px;
    --spacing-12: 12px;
    --spacing-16: 16px;
    --spacing-20: 20px;
    --spacing-24: 24px;
    --spacing-32: 32px;
    --spacing-48: 48px;
    
    /* Radius */
    --radius-12: 12px;
    --radius-16: 16px;
    --radius-999: 999px;
}

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

/* Accessibility: Screen reader only class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Accessibility: Visible focus indicators */
:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-50);
    color: var(--text-900);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1 { font-size: 28px; line-height: 34px; font-weight: 600; }
h2 { font-size: 20px; line-height: 28px; font-weight: 600; }
h3 { font-size: 18px; line-height: 24px; font-weight: 600; }
.body { font-size: 16px; line-height: 24px; font-weight: 400; }
.caption { font-size: 13px; line-height: 18px; font-weight: 400; }
.button-text { font-size: 16px; line-height: 20px; font-weight: 600; }

/* Desktop-first container */
.driver-app {
    max-width: 100%;
    width: 100%;
    margin: 0;
    min-height: 100vh;
    background: var(--bg-50);
    position: relative;
    overflow-x: hidden;
}

/* Header */
.header {
    background: var(--surface-0);
    padding: var(--spacing-16) var(--spacing-32);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    height: 72px;
}

.header .logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-500);
    text-decoration: none;
}

.header .nav {
    display: flex;
    gap: var(--spacing-32);
    align-items: center;
}

.header .nav-link {
    text-decoration: none;
    color: var(--text-500);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
}

.header .nav-link:hover,
.header .nav-link.active {
    color: var(--primary-500);
}

.header .profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-900);
    padding: var(--spacing-8);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--surface-0);
    z-index: 99;
    overflow-y: auto;
    padding: var(--spacing-24);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    display: block;
}

.mobile-nav .nav-link {
    display: block;
    padding: var(--spacing-16);
    text-decoration: none;
    color: var(--text-500);
    font-weight: 500;
    font-size: 16px;
    border-bottom: 1px solid var(--border-200);
    transition: all 0.2s ease;
}

.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
    color: var(--primary-500);
    background: var(--bg-50);
}

.mobile-nav .nav-link:last-child {
    border-bottom: none;
}

.header .notifications {
    position: relative;
    cursor: pointer;
    font-size: 20px;
}

.header .avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    cursor: pointer;
}

/* Leave Training Button */
.leave-training-btn {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 200;
    padding: var(--spacing-8) var(--spacing-16);
    background: var(--surface-0);
    color: var(--text-900);
    border-radius: var(--radius-999);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.leave-training-btn:hover {
    background: var(--border-200);
    transform: translateY(-2px);
}

/* Main Content */
.main-content {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: var(--spacing-24) var(--spacing-32);
}

/* Status Pill */
.status-pill {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-999);
    font-size: 13px;
    font-weight: 600;
}

.status-pill.offline {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-500);
}

.status-pill.online {
    background: rgba(22, 163, 74, 0.1);
    color: var(--success-600);
}

.status-pill.busy {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warn-500);
}

/* Online Toggle */
.online-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
    padding: var(--spacing-16);
    background: var(--surface-0);
    border-radius: var(--radius-12);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: var(--spacing-24);
}

.toggle-switch {
    width: 56px;
    height: 32px;
    background: var(--border-200);
    border-radius: var(--radius-999);
    position: relative;
    cursor: pointer;
    transition: background 0.2s ease;
}

.toggle-switch.active {
    background: var(--success-600);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    top: 4px;
    left: 4px;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active::after {
    transform: translateX(24px);
}

/* Request Card */
.request-card {
    background: var(--surface-0);
    border-radius: var(--radius-16);
    padding: var(--spacing-24);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-16);
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.request-card:hover {
    border-color: var(--primary-500);
    box-shadow: 0 6px 16px rgba(109, 40, 217, 0.15);
}

.request-card .countdown {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-16);
    font-weight: 600;
    color: var(--warn-500);
}

.request-card .route {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-16);
}

.request-card .route-point {
    display: flex;
    align-items: start;
    gap: var(--spacing-12);
}

.request-card .route-point .icon {
    font-size: 20px;
    margin-top: 2px;
}

.request-card .route-point .content {
    flex: 1;
}

.request-card .route-point .address {
    font-weight: 500;
    margin-bottom: 4px;
}

.request-card .route-point .meta {
    font-size: 13px;
    color: var(--text-500);
}

.request-card .earnings {
    background: var(--bg-50);
    padding: var(--spacing-16);
    border-radius: var(--radius-12);
    margin-bottom: var(--spacing-16);
}

.request-card .earnings-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-500);
    margin-bottom: 4px;
}

.request-card .earnings-note {
    font-size: 12px;
    color: var(--text-500);
}

.request-card .badges {
    display: flex;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-16);
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-999);
    font-size: 11px;
    font-weight: 600;
}

.badge.bonus {
    background: rgba(253, 224, 71, 0.2);
    color: var(--text-900);
}

.badge.surge {
    background: rgba(220, 38, 38, 0.1);
    color: var(--danger-600);
}

.badge.scheduled {
    background: rgba(109, 40, 217, 0.1);
    color: var(--primary-500);
}

.request-card .actions {
    display: flex;
    gap: var(--spacing-12);
}

/* Map Container */
.map-container {
    width: 100%;
    height: calc(100vh - 72px);
    min-height: 600px;
    background: var(--bg-50);
    position: relative;
    border-radius: var(--radius-12);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.map-container #map {
    width: 100%;
    height: 100%;
    min-height: 500px;
}

/* Card */
.card {
    background: var(--surface-0);
    border-radius: var(--radius-12);
    padding: var(--spacing-24);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: var(--spacing-16);
}

/* Buttons */
.btn {
    padding: var(--spacing-12) var(--spacing-24);
    border-radius: var(--radius-12);
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-8);
}

.btn-primary {
    background: var(--primary-500);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
}

.btn-secondary {
    background: var(--surface-0);
    color: var(--text-900);
    border: 1px solid var(--border-200);
}

.btn-secondary:hover {
    background: var(--bg-50);
    border-color: var(--primary-500);
}

.btn-danger {
    background: var(--danger-600);
    color: white;
}

.btn-danger:hover {
    background: #B91C1C;
}

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

/* Table */
.table-container {
    background: var(--surface-0);
    border-radius: var(--radius-12);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

.table thead {
    background: var(--bg-50);
}

.table th {
    padding: var(--spacing-12) var(--spacing-16);
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: var(--spacing-16);
    border-top: 1px solid var(--border-200);
    font-size: 14px;
}

.table tbody tr:hover {
    background: var(--bg-50);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-24);
    flex-wrap: wrap;
}

.filter-input {
    padding: var(--spacing-8) var(--spacing-12);
    border: 1px solid var(--border-200);
    border-radius: var(--radius-12);
    font-size: 14px;
    background: var(--surface-0);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-24);
}

.kpi-card {
    background: var(--surface-0);
    padding: var(--spacing-20);
    border-radius: var(--radius-12);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.kpi-label {
    font-size: 13px;
    color: var(--text-500);
    margin-bottom: var(--spacing-8);
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-500);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-48);
    color: var(--text-500);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-16);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-8);
    color: var(--text-900);
}

.empty-state-body {
    font-size: 14px;
    margin-bottom: var(--spacing-24);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--surface-0);
    border-radius: var(--radius-16);
    padding: var(--spacing-24);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-500);
}

.modal-body {
    margin-bottom: var(--spacing-24);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-12);
    justify-content: flex-end;
}

/* Mobile-first responsive utilities */
.mobile-grid {
    display: grid;
}

.mobile-grid-2col {
    grid-template-columns: 2fr 1fr;
}

.mobile-grid-3col {
    grid-template-columns: repeat(3, 1fr);
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .header {
        padding: var(--spacing-12) var(--spacing-16);
        height: auto;
        min-height: 60px;
        flex-wrap: wrap;
    }
    
    .header .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header .logo {
        font-size: 20px;
    }
    
    .header .profile {
        gap: var(--spacing-8);
    }
    
    .header .avatar {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .main-content {
        padding: var(--spacing-16);
        max-width: 100%;
    }
    
    .online-toggle {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-16);
    }
    
    .toggle-switch {
        align-self: flex-start;
    }
    
    /* Grid layouts become single column */
    .mobile-grid-2col,
    .mobile-grid-3col,
    div[style*="grid-template-columns: 2fr 1fr"],
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns: repeat(2"],
    div[style*="grid-template-columns: repeat(3"],
    div[style*="grid-template-columns: repeat(4"] {
        grid-template-columns: 1fr !important;
    }
    
    .map-container {
        height: 400px !important;
        min-height: 400px !important;
        max-height: 400px !important;
    }
    
    .map-container #map {
        min-height: 400px !important;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr !important;
    }
    
    .request-card {
        padding: var(--spacing-16);
    }
    
    .request-card .actions {
        flex-direction: column;
    }
    
    .request-card .actions .btn {
        width: 100%;
    }
    
    .card {
        padding: var(--spacing-16);
    }
    
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 600px;
        font-size: 13px;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-8) var(--spacing-12);
    }
    
    .modal {
        width: 95% !important;
        max-width: 95% !important;
        margin: var(--spacing-16);
        padding: var(--spacing-16);
    }
    
    .modal-overlay {
        padding: var(--spacing-16);
        align-items: flex-end;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .filter-input {
        width: 100%;
    }
    
    .leave-training-btn {
        top: 8px;
        right: 8px;
        padding: var(--spacing-6) var(--spacing-12);
        font-size: 12px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 18px;
    }
    
    .btn {
        padding: var(--spacing-10) var(--spacing-16);
        font-size: 15px;
    }
    
    .kpi-value {
        font-size: 24px;
    }
    
    /* Ensure modals work well on mobile */
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }
    
    .modal {
        border-radius: var(--radius-16) var(--radius-16) 0 0;
        max-height: 90vh;
    }
    
    /* Request card mobile adjustments */
    .request-card .route {
        gap: var(--spacing-8);
    }
    
    .request-card .earnings-amount {
        font-size: 20px;
    }
    
    /* Status pills smaller on mobile */
    .status-pill {
        padding: 4px 12px;
        font-size: 12px;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .header .nav {
        gap: var(--spacing-16);
        font-size: 14px;
    }
    
    .main-content {
        padding: var(--spacing-20);
    }
}