:root {
    --primary-green: #1a4731;
    --secondary-green: #2a6f4a;
    --light-green: #e8f5e9;
    --accent-gold: #d4af37;
}

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    border: none;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    margin-bottom: 2rem;
}

.input-card {
    background: linear-gradient(145deg, var(--light-green), #ffffff);
}

.results-card {
    background: white;
}

.card-title {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.form-label {
    color: var(--primary-green);
    font-weight: 500;
}

.form-control {
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 0.75rem;
}

.form-control:focus {
    border-color: var(--secondary-green);
    box-shadow: 0 0 0 0.2rem rgba(42, 111, 74, 0.25);
}

.btn-primary {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.result-item {
    background: var(--light-green);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.result-item h5 {
    color: var(--primary-green);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.result-value {
    color: var(--secondary-green);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.table {
    font-size: 0.9rem;
}

.table thead th {
    background-color: var(--light-green);
    color: var(--primary-green);
    font-weight: 600;
    border: none;
}

/* Animations */
.result-value {
    transition: all 0.3s ease;
}

@keyframes highlight {
    0% { background-color: var(--light-green); }
    100% { background-color: transparent; }
}

.highlight {
    animation: highlight 1s ease-out;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .result-value {
        font-size: 1.2rem;
    }
}