/* Estilos personalizados */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

main {
    flex: 1;
}

.card {
    border-radius: 15px;
    overflow: hidden;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.card-header {
    background: linear-gradient(135deg, #dc3545, #c82333);
}

.btn-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-weight: bold;
    padding: 12px;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(40,167,69,0.3);
    background: linear-gradient(135deg, #20c997, #28a745);
}

.btn-success:disabled {
    transform: none;
    opacity: 0.7;
}

.form-select {
    border-radius: 10px;
    padding: 10px;
    border: 2px solid #e0e0e0;
    transition: border-color 0.3s;
}

.form-select:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220,53,69,0.25);
}

#movieResult {
    animation: fadeInUp 0.6s ease-out;
}

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

.alert-info {
    background: linear-gradient(135deg, #d1ecf1, #bee5eb);
    border-left: 5px solid #dc3545;
    border-radius: 10px;
}

footer {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border-top: 3px solid #dc3545;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}

.bg-light {
    background: #f8f9fa !important;
    border-radius: 10px;
    border-left: 4px solid #dc3545;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .card-header h3 {
        font-size: 1.3rem;
    }
}