/* Custom CSS for Booking Forms */
.form-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    border: 1px solid #f0f0f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.section-title {
    color: #333;
    border-bottom: 3px solid #667eea;
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

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

.form-group label {
    font-weight: 600;
    color: #555;
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.form-control:hover {
    border-color: #dee2e6;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.2s ease;
}

.checkbox-item:hover {
    background-color: rgba(102, 126, 234, 0.1);
}

.checkbox-item input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: #667eea;
}

.checkbox-item label {
    margin: 0;
    cursor: pointer;
    font-weight: 500;
}

.dynamic-section {
    display: none;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1rem;
    border-left: 4px solid #667eea;
    animation: fadeIn 0.5s ease;
}

.dynamic-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert {
    border-radius: 10px;
    border: none;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f1aeb5 100%);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.event-hero {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.event-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>') no-repeat bottom;
    background-size: cover;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-input:focus {
    border-color: #667eea;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-section {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .event-hero {
        padding: 2rem 0;
    }
    
    .event-hero h1 {
        font-size: 2rem;
    }
}

/* Loading Animation */
.form-loading {
    position: relative;
    overflow: hidden;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Success Animation */
@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.alert-success {
    animation: successPulse 0.6s ease;
}

/* Form Validation Styles */
.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-control.is-valid {
    border-color: #28a745;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.invalid-feedback, .valid-feedback {
    display: block;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.invalid-feedback {
    color: #dc3545;
}

.valid-feedback {
    color: #28a745;
}