:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --light-bg: #f8fafc;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-bg);
    color: #1e293b;
    line-height: 1.6;
}

.min-vh-75 {
    min-height: 75vh;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9) 0%, rgba(118, 75, 162, 0.85) 100%);
}

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

.hero-section h1 {
    animation: fadeInUp 0.8s ease-out;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-section .badge {
    animation: fadeInUp 0.6s ease-out;
}

.hero-section .d-flex.gap-4 {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Booking Card */
.booking-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.booking-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.booking-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
    color: white;
    padding: 1.25rem 1.5rem;
}

.booking-body {
    padding: 1.5rem;
}

/* Form Styling */
.form-control,
.form-select {
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-label {
    font-size: 0.9rem;
    color: #475569;
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
    border: none;
    border-radius: 10px;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #4f46e5 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

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

/* Price Summary */
.price-summary {
    border: 1px solid #e2e8f0;
}

.price-summary hr {
    border-color: #e2e8f0;
}

/* Success Page */
.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.5s ease-out;
}

.success-icon i {
    font-size: 2.5rem;
    color: white;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

/* Toast */
.toast {
    border-radius: 10px;
}

.toast.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%) !important;
}

.toast.bg-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%) !important;
}

.toast,
.toast-header {
    color: white;
}

.toast-header .btn-close {
    filter: invert(1);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        min-height: 50vh;
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem !important;
    }
    
    .booking-card {
        margin-top: 2rem;
    }
}

/* Admin Sidebar */
.admin-sidebar {
    min-height: 100vh;
    background: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.25rem;
    color: #64748b;
    text-decoration: none;
    border-radius: 10px;
    margin: 0.25rem 0.75rem;
    transition: all 0.3s ease;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
    color: white;
}

.sidebar-link i {
    font-size: 1.25rem;
    margin-right: 0.75rem;
}

/* Admin Cards */
.stat-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card .icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card .icon.primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.stat-card .icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-card .icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.stat-card .icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

/* Admin Tables */
.table-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.table thead th {
    background: #f8fafc;
    border-bottom: 2px solid #e2e8f0;
    font-weight: 600;
    color: #475569;
    padding: 1rem;
}

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

.table tbody tr {
    transition: background 0.2s ease;
}

.table tbody tr:hover {
    background: #f8fafc;
}

/* Badge */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Form Animation */
.form-control,
.form-select,
.btn {
    animation: fadeIn 0.5s ease-out;
}

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