/* ============================================
   Bootstrap 5 Custom Theme - Varanasi Tour Travel
   ============================================ */

:root {
    /* Bootstrap Color System */
    --bs-primary: #de822d;
    --bs-primary-rgb: 222, 130, 45;
    --bs-secondary: #0c182e;
    --bs-secondary-rgb: 12, 24, 46;
    --bs-success: #28a745;
    --bs-success-rgb: 40, 167, 69;
    --bs-danger: #dc3545;
    --bs-danger-rgb: 220, 53, 69;
    --bs-warning: #de822d;
    --bs-warning-rgb: 222, 130, 45;
    --bs-info: #17a2b8;
    --bs-info-rgb: 23, 162, 184;
    --bs-light: #f8f9fa;
    --bs-light-rgb: 248, 249, 250;
    --bs-dark: #0c182e;
    --bs-dark-rgb: 12, 24, 46;
    
    /* Custom Colors */
    --primary-color: #de822d;
    --primary-dark: #c46f1f;
    --primary-light: #f0a857;
    --secondary-color: #0c182e;
    --secondary-dark: #050d1a;
    --secondary-light: #1a2a4a;
    --accent-color: #ffffff;
    --accent-light: #f5f5f5;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #de822d 0%, #f0a857 100%);
    --gradient-secondary: linear-gradient(135deg, #0c182e 0%, #1a2a4a 100%);
    --gradient-dark: linear-gradient(135deg, #0c182e 0%, #1a2a4a 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --bs-border-radius: 0.5rem;
    --bs-border-radius-sm: 0.375rem;
    --bs-border-radius-lg: 0.75rem;
    --bs-border-radius-xl: 1rem;
    --bs-border-radius-2xl: 1.5rem;
    
    /* Font */
    --bs-body-font-family: 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --bs-body-font-size: 1rem;
    --bs-body-font-weight: 400;
    --bs-body-line-height: 1.6;
    --bs-body-color: #0c182e;
    --bs-body-bg: #fff;
}

/* ============================================
   Global Bootstrap Overrides
   ============================================ */

body {
    font-family: var(--bs-body-font-family);
    color: var(--bs-body-color);
    background-color: var(--bs-body-bg);
}

/* ============================================
   Navbar Customization
   ============================================ */

.navbar {
    background: var(--gradient-dark) !important;
    box-shadow: var(--shadow-md);
    padding: 0.75rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: translateX(2px);
}

.navbar-brand img {
    max-height: 50px;
    width: auto;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    position: relative;
    transition: var(--transition);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active::after {
    width: 100%;
}

.dropdown-menu {
    background: var(--secondary-color);
    border: none;
    border-radius: var(--bs-border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
}

.dropdown-item {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    padding: 0.75rem 1.5rem;
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.dropdown-item.active {
    background-color: var(--primary-color);
}

/* ============================================
   Button Customization
   ============================================ */

.btn {
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: var(--bs-border-radius-lg);
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn:focus {
    box-shadow: none;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-primary:active,
.btn-primary.active {
    background: var(--primary-dark) !important;
    box-shadow: var(--shadow-md) !important;
}

.btn-secondary {
    background: var(--gradient-secondary);
    border: none;
    color: white;
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-warning {
    background: var(--gradient-primary);
    border: none;
    color: white;
}

.btn-warning:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(222, 130, 45, 0.4);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border: none;
    color: white;
}

.btn-success:hover {
    background: #1e7e34;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #e74c3c 100%);
    border: none;
    color: white;
}

.btn-danger:hover {
    background: #bb2d3b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ============================================
   Card Customization
   ============================================ */

.card {
    border: none;
    border-radius: var(--bs-border-radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.card-header {
    background: linear-gradient(135deg, #f5f5f5 0%, #fff 100%);
    border-bottom: 1px solid #e0e6ed;
    padding: 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--bs-body-color);
}

.card-text {
    color: #7f8c8d;
    line-height: 1.7;
}

.card-footer {
    background: #f5f5f5;
    border-top: 1px solid #e0e6ed;
}

/* ============================================
   Form Customization
   ============================================ */

.form-control,
.form-select {
    border: 2px solid #e0e6ed;
    border-radius: var(--bs-border-radius-lg);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(222, 130, 45, 0.15);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--bs-body-color);
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.input-group-text {
    background: #f5f5f5;
    border: 2px solid #e0e6ed;
    color: var(--primary-color);
}

.form-check-input {
    width: 1.25em;
    height: 1.25em;
    border: 2px solid #e0e6ed;
    border-radius: 0.25em;
    transition: var(--transition);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(222, 130, 45, 0.25);
}

/* ============================================
   Badge Customization
   ============================================ */

.badge {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--bs-border-radius-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.bg-primary {
    background: var(--gradient-primary) !important;
}

.badge.bg-secondary {
    background: var(--gradient-secondary) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
}

.badge.bg-warning {
    background: var(--gradient-primary) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #dc3545 0%, #e74c3c 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #17a2b8 0%, #3498db 100%) !important;
}

/* ============================================
   Alert Customization
   ============================================ */

.alert {
    border: none;
    border-radius: var(--bs-border-radius-lg);
    border-left: 4px solid;
    padding: 1rem 1.5rem;
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left-color: #28a745;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left-color: #ffc107;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left-color: #17a2b8;
}

.alert-primary {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left-color: var(--primary-color);
}

/* ============================================
   Table Customization
   ============================================ */

.table {
    border-collapse: collapse;
    margin-bottom: 0;
}

.table thead th {
    background: var(--gradient-secondary);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid #e0e6ed;
}

.table tbody tr:hover {
    background-color: #f5f5f5;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(222, 130, 45, 0.02);
}

/* ============================================
   Modal Customization
   ============================================ */

.modal-content {
    border: none;
    border-radius: var(--bs-border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1.5rem;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-title {
    font-weight: 700;
    font-size: 1.25rem;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid #e0e6ed;
    padding: 1.5rem;
}

/* ============================================
   Pagination Customization
   ============================================ */

.pagination {
    gap: 0.5rem;
}

.page-link {
    border: none;
    border-radius: var(--bs-border-radius-lg);
    color: var(--primary-color);
    transition: var(--transition);
    margin: 0 0.25rem;
}

.page-link:hover {
    background: var(--primary-color);
    color: white;
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    border: none;
}

/* ============================================
   Tooltip Customization
   ============================================ */

.tooltip-inner {
    background: var(--secondary-color);
    border-radius: var(--bs-border-radius-lg);
    padding: 0.75rem 1rem;
    font-weight: 500;
}

.bs-tooltip-top .tooltip-arrow::before,
.bs-tooltip-auto[data-popper-placement^="top"] .tooltip-arrow::before {
    border-top-color: var(--secondary-color);
}

.bs-tooltip-bottom .tooltip-arrow::before,
.bs-tooltip-auto[data-popper-placement^="bottom"] .tooltip-arrow::before {
    border-bottom-color: var(--secondary-color);
}

.bs-tooltip-start .tooltip-arrow::before,
.bs-tooltip-auto[data-popper-placement^="left"] .tooltip-arrow::before {
    border-left-color: var(--secondary-color);
}

.bs-tooltip-end .tooltip-arrow::before,
.bs-tooltip-auto[data-popper-placement^="right"] .tooltip-arrow::before {
    border-right-color: var(--secondary-color);
}

/* ============================================
   Popover Customization
   ============================================ */

.popover {
    border: none;
    border-radius: var(--bs-border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.popover-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--bs-border-radius-xl) var(--bs-border-radius-xl) 0 0;
    font-weight: 600;
}

.popover-body {
    padding: 1rem;
    color: var(--bs-body-color);
}

/* ============================================
   Spinner Customization
   ============================================ */

.spinner-border {
    border-color: rgba(222, 130, 45, 0.25);
    border-right-color: var(--primary-color);
}

.spinner-grow {
    background-color: var(--primary-color);
}

/* ============================================
   Progress Bar Customization
   ============================================ */

.progress {
    background-color: #e0e6ed;
    border-radius: var(--bs-border-radius-lg);
    height: 0.75rem;
}

.progress-bar {
    background: var(--gradient-primary);
}

/* ============================================
   Breadcrumb Customization
   ============================================ */

.breadcrumb {
    background: transparent;
    padding: 0;
    gap: 0.5rem;
}

.breadcrumb-item {
    color: var(--text-light);
}

.breadcrumb-item.active {
    color: var(--bs-body-color);
    font-weight: 600;
}

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

.breadcrumb-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ============================================
   List Group Customization
   ============================================ */

.list-group-item {
    border: 1px solid #e0e6ed;
    transition: var(--transition);
}

.list-group-item:hover {
    background-color: #f5f5f5;
}

.list-group-item.active {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

/* ============================================
   Nav Customization
   ============================================ */

.nav-tabs .nav-link {
    color: var(--text-light);
    border: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-tabs .nav-link:hover {
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.nav-tabs .nav-link.active {
    background: transparent;
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

/* ============================================
   Responsive Utilities
   ============================================ */

@media (max-width: 768px) {
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}