/* TourItiner - Tourism Theme Styles */

:root {
    /* Tourism Color Palette */
    --primary-color: #FF6B35;
    --primary-dark: #E85A2A;
    --primary-light: #FF8C61;
    --secondary-color: #004E89;
    --secondary-dark: #003A66;
    --secondary-light: #1A6BA8;
    --accent-color: #F7B801;
    --accent-dark: #D9A001;
    --success-color: #2ECC71;
    --danger-color: #E74C3C;
    --warning-color: #F39C12;
    --info-color: #3498DB;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #E9ECEF;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --black: #1A1A1A;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-dark: #1A1A1A;
    
    /* Text Colors */
    --text-primary: #1A1A1A;
    --text-secondary: #6C757D;
    --text-light: #FFFFFF;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #1A1A1A;
    --bg-secondary: #2D2D2D;
    --bg-dark: #121212;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --gray: #3D3D3D;
    --light-gray: #2D2D2D;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* Dark Mode Form Elements */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="tel"],
[data-theme="dark"] textarea,
[data-theme="dark"] select,
[data-theme="dark"] .form-control {
    background-color: #2D2D2D !important;
    color: #FFFFFF !important;
    border-color: #3D3D3D !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: #B0B0B0 !important;
}

[data-theme="dark"] select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23FFFFFF' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    padding-right: 40px !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

[data-theme="dark"] select option {
    background-color: #2D2D2D;
    color: #FFFFFF;
}

[data-theme="dark"] .card {
    background-color: #1A1A1A;
    border-color: #3D3D3D;
}

[data-theme="dark"] .table {
    background-color: #1A1A1A;
    color: #FFFFFF;
}

[data-theme="dark"] .table th {
    background-color: #2D2D2D;
    color: #FFFFFF;
    border-color: #3D3D3D;
}

[data-theme="dark"] .table td {
    background-color: #1A1A1A;
    color: #FFFFFF;
    border-color: #3D3D3D;
}

[data-theme="dark"] .table tr:nth-child(even) td {
    background-color: #252525;
}

/* Dark Mode — Body, Text & Headings */
[data-theme="dark"] body {
    background-color: #121212 !important;
    color: #E0E0E0 !important;
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: #FFFFFF !important;
}

[data-theme="dark"] p, [data-theme="dark"] span, [data-theme="dark"] div,
[data-theme="dark"] li, [data-theme="dark"] td, [data-theme="dark"] th,
[data-theme="dark"] label, [data-theme="dark"] small, [data-theme="dark"] strong {
    color: #E0E0E0;
}

[data-theme="dark"] a {
    color: #FF8C61;
}

[data-theme="dark"] a:hover {
    color: #FFB088;
}

/* Dark Mode — Layout */
[data-theme="dark"] .content {
    background-color: #121212;
}

[data-theme="dark"] .main-content {
    background-color: #121212;
}

/* Dark Mode — Card Headers & Bodies */
[data-theme="dark"] .card-header {
    background-color: #1E1E1E !important;
    border-color: #3D3D3D !important;
    color: #FFFFFF !important;
}

[data-theme="dark"] .card-header h3,
[data-theme="dark"] .card-header h4,
[data-theme="dark"] .card-header h5,
[data-theme="dark"] .card-title {
    color: #FFFFFF !important;
}

[data-theme="dark"] .card-body {
    background-color: #1A1A1A;
    color: #E0E0E0;
}

/* Dark Mode — Form Labels */
[data-theme="dark"] .form-label,
[data-theme="dark"] label {
    color: #D0D0D0 !important;
}

/* Dark Mode — Alerts */
[data-theme="dark"] .alert {
    border-color: #3D3D3D;
}

[data-theme="dark"] .alert-info {
    background-color: #1a3a4a;
    color: #8ecae6;
    border-color: #2a5a6a;
}

[data-theme="dark"] .alert-success {
    background-color: #1a3a2a;
    color: #8ed6a8;
    border-color: #2a5a3a;
}

[data-theme="dark"] .alert-danger {
    background-color: #3a1a1a;
    color: #e6a0a0;
    border-color: #5a2a2a;
}

[data-theme="dark"] .alert-warning {
    background-color: #3a3a1a;
    color: #e6d6a0;
    border-color: #5a5a2a;
}

/* Dark Mode — Topbar */
[data-theme="dark"] .topbar {
    background-color: #1A1A1A !important;
    border-color: #3D3D3D !important;
    color: #E0E0E0 !important;
}

[data-theme="dark"] .page-title {
    color: #FFFFFF !important;
}

[data-theme="dark"] .topbar-datetime-text {
    color: #B0B0B0 !important;
}

[data-theme="dark"] .user-name {
    color: #E0E0E0 !important;
}

[data-theme="dark"] .user-menu-dropdown {
    background-color: #1E1E1E !important;
    border-color: #3D3D3D !important;
}

[data-theme="dark"] .user-menu-item {
    color: #E0E0E0 !important;
}

[data-theme="dark"] .user-menu-item:hover {
    background-color: #2D2D2D !important;
}

/* Dark Mode — Sidebar */
[data-theme="dark"] .sidebar {
    background-color: #1A1A1A !important;
    border-color: #3D3D3D !important;
}

[data-theme="dark"] .sidebar-header {
    border-color: #3D3D3D !important;
}

[data-theme="dark"] .menu-section-title {
    color: #888 !important;
}

[data-theme="dark"] .menu-link {
    color: #D0D0D0 !important;
}

[data-theme="dark"] .menu-link:hover,
[data-theme="dark"] .menu-link.active {
    color: #FF8C61 !important;
    background-color: #2D2D2D !important;
}

[data-theme="dark"] .submenu {
    background-color: #1E1E1E !important;
}

[data-theme="dark"] .submenu-link {
    color: #B0B0B0 !important;
}

[data-theme="dark"] .submenu-link:hover {
    color: #FF8C61 !important;
}

/* Dark Mode — Text Utility Overrides */
[data-theme="dark"] .text-secondary,
[data-theme="dark"] .text-muted {
    color: #999 !important;
}

/* Dark Mode — Custom Tables (itinerary, customer, etc.) */
[data-theme="dark"] .itinerary-table,
[data-theme="dark"] .customer-table {
    color: #E0E0E0;
}

[data-theme="dark"] .itinerary-table td,
[data-theme="dark"] .customer-table td {
    border-color: #3D3D3D;
    color: #E0E0E0;
}

[data-theme="dark"] .itinerary-table tr:hover,
[data-theme="dark"] .customer-table tr:hover {
    background-color: #252525 !important;
}

[data-theme="dark"] .customer-name,
[data-theme="dark"] .itinerary-number {
    color: #FF8C61 !important;
}

/* Dark Mode — Badges & Status */
[data-theme="dark"] .stage-pending {
    background: #3D3D3D;
    color: #B0B0B0;
}

[data-theme="dark"] .draft-badge {
    background: #1a3a5a;
    color: #8ecae6;
}

/* Dark Mode — Pagination */
[data-theme="dark"] .pagination a,
[data-theme="dark"] .pagination span {
    background-color: #2D2D2D;
    color: #E0E0E0;
    border-color: #3D3D3D;
}

[data-theme="dark"] .pagination a:hover {
    background-color: #3D3D3D;
}

/* Dark Mode — Modal / Dialogs */
[data-theme="dark"] .modal-content,
[data-theme="dark"] .confirm-dialog {
    background-color: #1E1E1E !important;
    color: #E0E0E0 !important;
    border-color: #3D3D3D !important;
}

/* Dark Mode — Table Responsive Border */
[data-theme="dark"] .table-responsive {
    border-color: #3D3D3D;
}

/* Dark Mode — Misc Inline Color Overrides */
[data-theme="dark"] [style*="color: #333"],
[data-theme="dark"] [style*="color:#333"],
[data-theme="dark"] [style*="color: #555"],
[data-theme="dark"] [style*="color:#555"],
[data-theme="dark"] [style*="color: #666"],
[data-theme="dark"] [style*="color:#666"] {
    color: #D0D0D0 !important;
}

[data-theme="dark"] [style*="color: #999"],
[data-theme="dark"] [style*="color:#999"] {
    color: #888 !important;
}

[data-theme="dark"] [style*="background: #f8f9fa"],
[data-theme="dark"] [style*="background:#f8f9fa"],
[data-theme="dark"] [style*="background-color: #f8f9fa"],
[data-theme="dark"] [style*="background: #fff"],
[data-theme="dark"] [style*="background:#fff"],
[data-theme="dark"] [style*="background: white"],
[data-theme="dark"] [style*="background-color: white"] {
    background-color: #2D2D2D !important;
}

/* Dark Mode — Last Saved, Stage Info */
[data-theme="dark"] .last-saved,
[data-theme="dark"] .stage-info {
    color: #888 !important;
}

/* Dark Mode — Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
    background: #1A1A1A;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #3D3D3D;
    border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #555;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--spacing-md) * -1);
}

.col {
    flex: 1;
    padding: 0 var(--spacing-md);
}

.col-1 { flex: 0 0 8.333%; max-width: 8.333%; }
.col-2 { flex: 0 0 16.666%; max-width: 16.666%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-5 { flex: 0 0 41.666%; max-width: 41.666%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333%; max-width: 58.333%; }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333%; max-width: 83.333%; }
.col-11 { flex: 0 0 91.666%; max-width: 91.666%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.5;
}

/* Prevent global a:hover color from overriding link-style buttons */
a.btn:hover,
a.btn:focus {
    color: inherit;
    text-decoration: none;
}

/* Consistent spacing between adjacent buttons */
.btn + .btn {
    margin-left: var(--spacing-sm);
}

/* When buttons wrap to next line, keep vertical spacing too */
.btn {
    margin-bottom: var(--spacing-sm);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-color));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.btn-success:hover:not(:disabled) {
    background-color: #27AE60;
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #C0392B;
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-warning:hover:not(:disabled) {
    background-color: #E67E22;
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-info:hover:not(:disabled) {
    background-color: #2E86C1;
    color: var(--white);
    transform: translateY(-2px);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

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

.card-header {
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
}

.card-body {
    padding: var(--spacing-md) 0;
}

.card-footer {
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--gray);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

/* Add predictable spacing between stacked form rows without affecting grid gutters */
.card-body form > .row + .row {
    margin-top: var(--spacing-md);
}

/* Ensure vertical spacing between fields when columns wrap (mobile) */
.card-body form .row {
    row-gap: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--gray);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Password field with inline toggle button (used in user create/edit) */
.password-toggle {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.password-toggle .form-control {
    flex: 1;
}

.password-toggle-btn {
    align-self: flex-start;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--gray);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    cursor: pointer;
    line-height: 1;
}

.password-toggle-btn:hover {
    border-color: var(--primary-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-control:disabled {
    background-color: var(--light-gray);
    cursor: not-allowed;
}

.form-control.error {
    border-color: var(--danger-color);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: block;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label,
.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray);
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--light-gray);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    text-align: center;
}

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

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

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

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

.badge-warning {
    background-color: var(--warning-color);
    color: var(--white);
}

.badge-info {
    background-color: var(--info-color);
    color: var(--white);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-warning {
    background-color: rgba(243, 156, 18, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background-color: rgba(52, 152, 219, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--gray);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 2px solid var(--gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--gray);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-info { color: var(--info-color); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-light { background-color: var(--light-gray); }
.bg-dark { background-color: var(--dark-gray); }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }

/* Bootstrap-like flex aliases used in some pages */
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }

.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Bootstrap-like gap aliases */
.gap-0 { gap: 0 !important; }
.gap-1 { gap: var(--spacing-sm) !important; }
.gap-2 { gap: var(--spacing-md) !important; }
.gap-3 { gap: var(--spacing-lg) !important; }
.gap-4 { gap: var(--spacing-xl) !important; }

.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }
.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: var(--spacing-sm); }
.ml-2 { margin-left: var(--spacing-md); }
.ml-3 { margin-left: var(--spacing-lg); }
.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: var(--spacing-sm); }
.mr-2 { margin-right: var(--spacing-md); }
.mr-3 { margin-right: var(--spacing-lg); }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
    .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
    }
    
    .card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .container,
    .container-fluid {
        padding: 0 var(--spacing-md);
    }
}