* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.converter-section {
    margin-bottom: 2rem;
}

.form-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 2rem;
}

.form-inline .input-group {
    margin-bottom: 0;
    flex: 1 1 auto;
    min-width: 180px;
}

.form-inline label {
    margin-bottom: 0.3rem;
}

.form-inline .submit-btn {
    width: auto;
    margin-bottom: 0;
    align-self: flex-end;
}

@media (max-width: 700px) {
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    .form-inline .input-group, .form-inline .submit-btn {
        width: 100%;
    }
}

input[type="text"], select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
    height: 44px;
    background-color: #fff;
    color: #333;
    transition: border-color 0.3s;
}

input[type="text"]:focus, select:focus {
    outline: none;
    border-color: #3498db;
}

input[type="text"]#damCode {
    width: 120px;
    min-width: 80px;
    max-width: 180px;
    display: inline-block;
}

input[type="text"] {
    height: 2.4em;
    line-height: 2.4em;
    padding-top: 0.2em;
    padding-bottom: 0.2em;
    font-size: 1em;
    box-sizing: border-box;
}

.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 0.8rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    border: 1px solid #ffcdd2;
}

.submit-btn {
    background-color: #3498db;
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    margin-bottom: 0;
    transition: background-color 0.3s ease;
    height: 44px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.submit-btn:hover {
    background-color: #2980b9;
}

.result-section {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 4px;
}

.result-section h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

#result p {
    margin-bottom: 0.5rem;
}

.calendar-section {
    margin: 2rem 0;
}

.calendar-section h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.table-container {
    overflow-x: auto;
    margin-bottom: 2rem;
}

.calendar-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.calendar-table th,
.calendar-table td {
    border: 1px solid #ddd;
    min-width: 48px;
    max-width: 70px;
    width: 60px;
    font-size: 0.95rem;
    padding: 2px 2px;
    text-align: center;
    transition: background-color 0.2s ease;
}

.calendar-table th {
    background-color: #f8f9fa;
    font-weight: bold;
    position: sticky;
    top: 0;
}

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

.calendar-table tr:hover {
    background-color: #f1f1f1;
}

.calendar-table td:hover {
    background-color: #e3f2fd;
    cursor: pointer;
}

.info-section {
    background-color: #e8f4f8;
    padding: 1.5rem;
    border-radius: 4px;
}

.info-section h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.highlight-cell {
    background-color: #3498db;
    color: white;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.flash-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    animation: fadeIn 0.3s ease-in-out;
}

.flash-message.error {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}

.flash-message.success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

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

/* Correction de la hauteur du select pour éviter le texte tronqué */
select {
    height: 2.4em;
    line-height: 2.4em;
    padding-top: 0.2em;
    padding-bottom: 0.2em;
    font-size: 1em;
    box-sizing: border-box;
}

/* Modal Styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 600px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    position: relative;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 10px;
    right: 20px;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#modalMonthYear {
    margin: initial;
}

.modal-table-container {
    max-height: 400px;
    overflow-y: auto;
    overflow-x: auto; /* Keep horizontal scroll if needed */
    margin-top: 20px;
}

.modal-table {
    width: 100%; /* Take full width of modal content */
    border-collapse: collapse;
    table-layout: fixed; /* For consistent column widths */
}

.modal-table th,
.modal-table td {
    border: 1px solid #ddd;
    text-align: center;
    box-sizing: border-box; /* Include padding and border in element's total width and height */
    position: relative;
}

.modal-table th {
    background-color: #e0e0e0; /* Gray background */
    font-weight: bold;
    padding: 8px 4px; /* Increased padding for more height */
    line-height: 1.5; /* Adjust line-height for text centering */
    font-size: 0.9rem; /* Standard font size for readability */
}

.modal-table td {
    padding: 8px; /* Standard padding for content cells */
    min-width: 80px; /* Adjust as needed based on content */
    height: 60px; /* Fixed height for consistent cell size */
}

.modal-table td .day-number {
    position: absolute;
    top: 4px;
    left: 6px;
    font-size: 0.9rem;
    font-weight: normal;
}

.modal-table td .dam-number {
    position: absolute;
    bottom: 4px;
    right: 6px;
    font-size: 0.9rem;
    color: #555;
    font-weight: bold;
}

/* FAQ Section Styles */
.faq-section {
    margin-top: 30px;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq-section h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 25px;
}

.faq-item {
    border-bottom: 1px solid #eee;
    margin-bottom: 10px;
    padding-bottom: 10px;
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item h3 {
    cursor: pointer;
    color: #3498db;
    font-size: 1.1em;
    padding: 10px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.3s ease;
}

.faq-item h3:hover {
    color: #2980b9;
}

.faq-item h3::after {
    content: '+';
    font-size: 1.2em;
    transition: transform 0.3s ease;
}

.faq-item.active h3::after {
    content: '-';
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 10px;
}

.faq-answer p {
    padding-top: 10px;
    padding-bottom: 5px;
    color: #555;
    line-height: 1.6;
}