:root {
    --primary-color: #0033a0;
    --secondary-color: #2c3e50;
    --accent-color: #0fd3a0;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --success-color: #c6ede3;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #c6ede3;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    text-align: center;
}

.simulator-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    background: white;
    border: 3px solid var(--accent-color); /* Bordure verte */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

form {
    flex: 1;
    min-width: 300px;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

input[type="text"],
input[type="number"],
input[type="date"] {
    width: 98%;
    padding: 12px;
    border: 1px solid #bdbdbd;
    border-radius: 6px;
    font-size: 16px;
    transition: border 0.3s;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.btn-calculate, .btn-pdf {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.3s;
    width: 100%;
    margin-top: 10px;
}

.btn-calculate:hover, .btn-pdf:hover {
    background-color: #2980b9;
}

.btn-pdf {
    background-color: var(--accent-color);
}

.btn-pdf:hover {
    background-color: #0fd3a0;
}

.results-container {
    flex: 2;
    min-width: 300px;
}

.summary {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.summary-item {
    background: white;
    padding: 15px;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.label {
    display: block;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 5px;
}

.value {
    font-size: 18px;
    color: var(--primary-color);
}

.amortissement-table {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background-color: var(--primary-color);
    color: white;
    padding: 12px;
    text-align: left;
    position: sticky;
    top: 0;
}

td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

tr:nth-child(even) {
    background-color: #f8f9fa;
}

tr:hover {
    background-color: #e9f7fe;
}
.titre-cadre {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
    width: 100%;
    text-align: center;
}

/* Style Windows 11 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #202020;
        color: #ffffff;
    }
    
    .simulator-container {
        background: #2d2d2d;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }
    
    input[type="text"],
    input[type="number"],
    input[type="date"] {
        background-color: #3d3d3d;
        color: white;
        border-color: #4d4d4d;
    }
    
    .summary-item {
        background: #3d3d3d;
    }
    
    tr:nth-child(even) {
        background-color: #3d3d3d;
    }
    
    td {
        border-color: #4d4d4d;
    }
}

@media screen and (max-width: 768px) {
    .simulator-container {
        flex-direction: column;
        padding: 15px;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .btn-calculate, .btn-pdf {
        font-size: 14px;
        padding: 10px;
    }

    input[type="text"],
    input[type="number"],
    input[type="date"] {
        font-size: 14px;
        padding: 10px;
    }
       
    }