/* Custom styles for Carbon Footprint Calculator */

body {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    min-height: 100vh;
}

.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.card-header {
    background: linear-gradient(135deg, var(--bs-success) 0%, var(--bs-success-dark) 100%);
    border-bottom: none;
}

.btn-success {
    background: linear-gradient(135deg, var(--bs-success) 0%, var(--bs-success-dark) 100%);
    border: none;
    transition: all 0.3s ease;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--bs-success-rgb), 0.4);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--bs-success);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-success-rgb), 0.25);
}

.input-group-text {
    background-color: var(--bs-dark);
    border-color: var(--bs-border-color);
}

/* Chart container */
#grafico {
    max-height: 400px;
}

/* Print styles */
@media print {
    body {
        background: white !important;
    }
    
    .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        margin-top: 1rem !important;
        margin-bottom: 1rem !important;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1rem;
    }
}

/* Animation for cards */
.card {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Custom alert styles */
.alert {
    border: none;
    border-radius: 10px;
}

/* Icon styling */
.fa-3x {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Equivalencies cards hover effect */
.card.bg-success:hover,
.card.bg-warning:hover,
.card.bg-info:hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
}