/* ======================
   Variables
   ====================== */
:root {
    --primary-color: #1D9CAA;
    --primary-dark: #167A85;
    --primary-light: #4DB8C4;
    --secondary-color: #2C3E50;
    --accent-color: #E74C3C;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    --info-color: #3498DB;
    --bg-color: #F5F7FA;
    --sidebar-bg: #2C3E50;
    --card-bg: #FFFFFF;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --border-color: #E0E6ED;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ======================
   Reset & Base
   ====================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ======================
   Login Page
   ====================== */
.login-page {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-box {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    animation: fadeInUp 0.5s ease;
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 20px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

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

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

.login-form label i {
    color: var(--primary-color);
    margin-right: 6px;
}

.login-form input,
.login-form select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: var(--transition);
    font-family: inherit;
}

.login-form input:focus,
.login-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 156, 170, 0.1);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(29, 156, 170, 0.4);
}

.btn-login i {
    margin-right: 8px;
}

.btn-login:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.login-error {
    background: #FEE2E2;
    color: #DC2626;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.login-error i {
    margin-right: 8px;
}

.login-footer {
    margin-top: 30px;
    text-align: center;
    color: var(--text-secondary);
}

/* ======================
   Dashboard Layout
   ====================== */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    color: white;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    transition: var(--transition);
    z-index: 1000;
    padding-bottom: 20px;
}

/* Sidebar scrollbar styling */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-logo {
    max-width: 140px;
    height: auto;
    margin-bottom: 12px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: white;
    margin: 0;
}

.sidebar-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.user-info {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.user-details h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 3px;
}

.user-details p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.sidebar-nav {
    padding: 20px 0 40px 0;
}

.nav-section-title {
    padding: 12px 20px;
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-item {
    display: block;
    padding: 14px 20px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding-left: 28px;
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
    border-left: 4px solid white;
}

.nav-item i {
    width: 20px;
    margin-right: 12px;
    text-align: center;
}

/* Logout button moved to header - see .header-logout */

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    background: var(--bg-color);
    min-height: 100vh;
}

.top-header {
    background: white;
    padding: 20px 32px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.header-right {
    display: flex;
    gap: 16px;
    align-items: center;
}

.notification-btn,
.mail-btn,
.menu-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.notification-btn:hover,
.mail-btn:hover,
.menu-toggle:hover {
    background: var(--primary-light);
    color: white;
}

.notification-badge,
.mail-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.menu-toggle {
    display: none;
}

.header-logout {
    padding: 8px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
}

.header-logout:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.content-area {
    padding: 32px;
    overflow-x: hidden;
    max-width: 100%;
}

/* Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card.clickable {
    cursor: pointer;
    transition: all 0.3s ease;
}

.stat-card.clickable:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.stat-card.clickable:active {
    transform: translateY(-2px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
}

.stat-icon.primary { background: var(--primary-color); }
.stat-icon.success { background: var(--success-color); }
.stat-icon.warning { background: var(--warning-color); }
.stat-icon.info { background: var(--info-color); }

.stat-details h3 {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 6px;
}

.stat-details .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header .actions {
    display: flex;
    gap: 8px;
}

.card-body {
    padding: 24px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(29, 156, 170, 0.3);
}

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

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.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(29, 156, 170, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-control {
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
    background: white;
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 156, 170, 0.1);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

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

table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-primary { background: rgba(29, 156, 170, 0.1); color: var(--primary-color); }
.badge-success { background: rgba(39, 174, 96, 0.1); color: var(--success-color); }
.badge-warning { background: rgba(243, 156, 18, 0.1); color: var(--warning-color); }
.badge-danger { background: rgba(231, 76, 60, 0.1); color: var(--accent-color); }
.badge-info { background: rgba(52, 152, 219, 0.1); color: var(--info-color); }
.badge-secondary { background: rgba(108, 117, 125, 0.1); color: #6c757d; }

/* Auth Toggle Switch */
.auth-toggle-group {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 12px 16px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 10px;
}

.auth-toggle {
    display: flex;
    flex-direction: row;
    align-items: center;
    cursor: pointer;
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
    margin: 0;
}

.auth-toggle:last-child {
    border-bottom: none;
}

.auth-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.auth-toggle .toggle-label {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    line-height: 28px;
}

.auth-toggle .toggle-switch {
    display: block;
    position: relative;
    width: 50px;
    min-width: 50px;
    height: 28px;
    background: #ccc;
    border-radius: 14px;
    transition: background 0.3s;
    margin-left: 12px;
}

.auth-toggle .toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

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

.auth-toggle input:checked + .toggle-label + .toggle-switch::after {
    transform: translateX(22px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--bg-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--accent-color);
    color: white;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Mobile menu overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }
    
    /* Vehicle schedule grid - desktop/tablet */
    #vehicleScheduleGrid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 280px;
    }
    
    .top-header {
        padding: 12px 16px;
    }
    
    .header-left h1 {
        font-size: 18px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
    
    .content-area {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .stat-details .stat-value {
        font-size: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .card {
        margin-bottom: 16px;
    }
    
    .card-header {
        padding: 16px;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .card-header h2 {
        font-size: 16px;
    }
    
    .card-body {
        padding: 16px;
        overflow-x: hidden;
        max-width: 100%;
    }
    
    .login-box {
        padding: 30px 20px;
    }
    
    .btn {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .btn-sm {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .notification-btn,
    .mail-btn,
    .menu-toggle {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .header-logout {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .header-right {
        gap: 8px;
        flex-wrap: wrap;
    }
    
    /* Table responsive */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -16px;
        padding: 0 16px;
    }
    
    table {
        font-size: 13px;
        min-width: 600px;
    }
    
    table th,
    table td {
        padding: 10px 8px;
        white-space: nowrap;
    }
    
    /* Vehicle schedule grid mobile - single column */
    #vehicleScheduleGrid {
        grid-template-columns: 1fr !important;
        max-width: 100%;
        overflow: hidden;
    }
    
    /* Prevent horizontal scroll on card grids */
    #vehicleScheduleGrid > div {
        min-width: 0;
        max-width: 100%;
        width: 100%;
    }
    
    /* Staff items responsive */
    .assigned-staff-item,
    .available-staff-item {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    
    .assigned-staff-item > div:last-child,
    .available-staff-item > div:last-child {
        display: grid !important;
        grid-template-columns: 1fr !important;
        width: 100%;
        gap: 8px;
    }
    
    .assigned-staff-item > div:last-child button,
    .available-staff-item > div:last-child button {
        width: 100% !important;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 100%;
    }
    
    .top-header {
        padding: 10px 12px;
    }
    
    .header-left h1 {
        font-size: 16px;
    }
    
    .breadcrumb {
        display: none;
    }
    
    .content-area {
        padding: 12px;
    }
    
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 10px;
        max-height: 95vh;
    }
    
    .modal-body {
        padding: 16px;
        max-height: 70vh;
        overflow-y: auto;
    }
    
    .table-container {
        margin: 0 -12px;
        padding: 0 12px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-sm {
        padding: 8px 12px;
    }
    
    /* Force vertical layout for staff items on small screens */
    .assigned-staff-item > div:first-child,
    .available-staff-item > div:first-child {
        min-width: 100% !important;
    }
    
    .header-logout i {
        display: none;
    }
    
    .notification-btn,
    .mail-btn,
    .menu-toggle {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .card-header .actions {
        width: 100%;
    }
    
    .card-header .actions .btn {
        width: 100%;
    }
    
    .d-flex.gap-2 {
        flex-direction: column;
        gap: 8px !important;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        flex-direction: row;
        gap: 12px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
    
    .stat-details h3 {
        font-size: 12px;
    }
    
    .stat-details .stat-value {
        font-size: 20px;
    }
    
    .card-header {
        padding: 12px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .card-header h2 {
        font-size: 15px;
    }
    
    .card-header .actions {
        width: 100%;
    }
    
    .card-header .actions .btn {
        width: 100%;
    }
    
    .card-body {
        padding: 12px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-sm {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .notification-btn,
    .mail-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .notification-badge,
    .mail-badge {
        width: 16px;
        height: 16px;
        font-size: 9px;
    }
    
    .header-logout {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .header-logout i {
        display: none;
    }
    
    .menu-toggle {
        width: 32px;
        height: 32px;
    }
    
    table {
        font-size: 12px;
    }
    
    table th,
    table td {
        padding: 8px 6px;
    }
    
    .badge {
        font-size: 10px;
        padding: 3px 8px;
    }
    
    .modal-content {
        margin: 10px;
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 16px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 14px;
        padding: 10px 12px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }