/**
 * Custom CSS for Tourism Booking Application
 * Modern, responsive design with Bootstrap 5
 */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --secondary-color: #f8f9fa;
    --accent-color: #ff6b35;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --text-muted: #8e9aaf;
    --border-color: #e9ecef;
    --border-light: #f1f3f4;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.2);
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --transition: all 0.3s ease;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Base styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.display-1, .display-2, .display-3, .display-4 {
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), #003d7a);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    background: white;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-img-top {
    transition: var(--transition);
    border-radius: 0;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--text-light);
    line-height: 1.5;
}

/* Product Cards */
.product-card {
    height: 100%;
    transition: var(--transition);
}

.product-card .card-img-top {
    height: 200px;
    object-fit: cover;
    width: 100%;
}

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

/* Category Cards */
.category-card {
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.category-card .card-body {
    padding: 2rem 1rem;
}

/* Forms */
.form-control, .form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background-color: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
    background-color: white;
}

.form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.input-group {
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius);
    overflow: hidden;
}

/* Navigation */
.navbar {
    background: white !important;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: rgba(0, 102, 204, 0.1);
}

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

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    color: var(--text-dark);
}

.dropdown-item:hover {
    background-color: rgba(0, 102, 204, 0.1);
    color: var(--primary-color);
}

/* Hero Section */
.hero-carousel {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slide {
    height: 600px;
    position: relative;
}

.hero-slide img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    filter: brightness(0.8);
}

.hero-overlay {
    background: linear-gradient(45deg, rgba(0,0,0,0.7), rgba(0,0,0,0.3));
}

/* Swiper customization */
.swiper-button-next, .swiper-button-prev {
    color: white !important;
    background: rgba(0,0,0,0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: var(--transition);
}

.swiper-button-next:hover, .swiper-button-prev:hover {
    background: rgba(0,0,0,0.6);
    transform: scale(1.1);
}

.swiper-pagination-bullet {
    background: white;
    opacity: 0.7;
    width: 12px;
    height: 12px;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--primary-color);
}

/* Search Section */
.search-form {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.search-form .form-control, .search-form .form-select {
    border: 2px solid var(--border-light);
    transition: var(--transition);
}

.search-form .form-control:focus, .search-form .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), #e0a800) !important;
    color: var(--text-dark) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--danger-color), #c82333) !important;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1, #bee5eb);
    color: #0c5460;
}

/* Tables */
.table {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th {
    background: var(--secondary-color);
    font-weight: 600;
    color: var(--text-dark);
    border: none;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-color: var(--border-light);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 102, 204, 0.05);
}

/* Pagination */
.pagination {
    margin: 0;
}

.page-link {
    color: var(--primary-color);
    border: 2px solid var(--border-color);
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.page-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c3e50, #34495e) !important;
    color: white;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

footer a:hover {
    color: white;
    text-decoration: none;
}

/* Back to top button */
#backToTop {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 1000;
}

#backToTop:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
}

/* Loading states */
.btn-loading {
    position: relative;
}

.btn-loading:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-carousel {
        height: 400px;
    }
    
    .hero-slide {
        height: 400px;
    }
    
    .search-form {
        padding: 1.5rem;
    }
    
    .search-form .row > div {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
    }
    
    .btn-lg {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-carousel {
        height: 300px;
    }
    
    .hero-slide {
        height: 300px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .search-form {
        padding: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Utility classes */
.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow {
    box-shadow: var(--shadow) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.border-radius {
    border-radius: var(--border-radius) !important;
}

.border-radius-lg {
    border-radius: var(--border-radius-lg) !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
    transition: var(--transition);
}

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

/* Print styles */
@media print {
    .navbar, .footer, #backToTop, .btn, .alert {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
}