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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.booking-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-section {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: #2d3748;
    margin-bottom: 10px;
    font-size: 32px;
}

.subtitle {
    color: #718096;
    font-size: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    display: block;
    color: #4a5568;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.required {
    color: #e53e3e;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.help-text {
    font-size: 12px;
    color: #718096;
    margin-top: 4px;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

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

.vehicle-card {
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s;
}

.vehicle-card:hover {
    border-color: #667eea;
    background: #f7fafc;
}

.vehicle-card.selected {
    border-color: #667eea;
    background: #eef2ff;
}

.vehicle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.section-divider {
    border-top: 2px solid #e2e8f0;
    margin: 30px 0;
}

.back-link {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    margin-bottom: 20px;
}

.back-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .booking-container {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .vehicle-grid {
        grid-template-columns: 1fr;
    }
}