.calculatrice-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.calculatrice-header {
    text-align: center;
    margin-bottom: 30px;
}

.calculatrice-header h2 {
    color: #04234C;
    font-size: 2rem;
    margin-bottom: 10px;
}

.calculatrice-header p {
    color: #6b7280;
    font-size: 1.1rem;
}

.calculatrice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .calculatrice-grid {
        grid-template-columns: 1fr;
    }
}

.calculatrice-form,
.calculatrice-results {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

.calculatrice-form h3,
.calculatrice-results h3 {
    color: #374151;
    font-size: 1.25rem;
    margin-bottom: 20px;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 10px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.form-group input[type="number"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input[type="number"]:focus {
    outline: none;
    border-color: #04234C;
}

.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.radio-option {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.radio-option:hover {
    border-color: #04234C;
}

.radio-option input[type="radio"] {
    margin-right: 8px;
}

.radio-option input[type="radio"]:checked + span {
    font-weight: 600;
    color: #04234C;
}

.radio-option:has(input[type="radio"]:checked) {
    border-color: #04234C;
    background-color: #F8F9FB;
}

.btn-calculer {
    width: 100%;
    
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-calculer:hover {
    transform: translateY(-2px);
}

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

.no-results {
    text-align: center;
    color: #6b7280;
    font-style: italic;
    padding: 40px 20px;
}

.results-content {
    animation: fadeIn 0.5s ease-in;
}

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

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f3f4f6;
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    color: #6b7280;
    font-weight: 500;
}

.result-value {
    font-weight: 600;
    color: #374151;
}

.result-total {
    background: #F8F9FB;
    border: 2px solid #04234C;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
}

.result-total .result-label {
    color: #04234C;
    font-weight: 700;
}

.result-total .result-value {
    color: #04234C;
    font-size: 1.25rem;
    font-weight: 700;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #6b7280;
}

.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
}