/* 
 * TravelBook - Custom Styles
 * Travel Booking Platform
 */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-radius: 8px;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

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

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

/* Card Styles */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.card-img-top {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    height: 200px;
    object-fit: cover;
}

/* Search Box Styles */
.search-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    padding: 2rem;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.search-tabs .nav-link {
    border: none;
    color: #666;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.search-tabs .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.search-tabs .nav-link:not(.active):hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
    color: white;
    padding: 150px 0 100px;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Stats Section */
.stats-card {
    text-align: center;
    padding: 2rem 1rem;
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

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

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stats-label {
    color: #666;
    font-weight: 500;
}

/* Hotel Card */
.hotel-card {
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.hotel-card .card-img-top {
    height: 250px;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

.hotel-card .card-body {
    padding: 1.5rem;
}

.hotel-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rating-stars {
    color: #ffc107;
}

.rating-score {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
}

.hotel-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.hotel-price-unit {
    font-size: 0.875rem;
    color: #666;
    font-weight: normal;
}

/* Testimonial Card */
.testimonial-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    text-align: center;
    height: 100%;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    object-fit: cover;
    border: 4px solid var(--light-color);
}

.testimonial-text {
    font-style: italic;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.testimonial-location {
    color: #666;
    font-size: 0.875rem;
}

/* Form Styles */
.form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Button Styles */
.btn {
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

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

/* Back to Top Button */
#btn-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

#btn-back-to-top:hover {
    transform: scale(1.1);
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .search-box {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .hotel-card .card-img-top {
        height: 200px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .search-box {
        padding: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn:last-child {
        margin-bottom: 0;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.6s ease forwards;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Feature Box */
.feature-box {
    text-align: center;
    padding: 2rem 1rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #0b5ed7);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-description {
    color: #666;
    line-height: 1.6;
}