/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Container principal */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
    min-height: 100vh;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid #003694;
}

.logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
}

header h1 {
    color: #003694;
    font-size: 2rem;
    font-weight: 600;
}

/* Sections du formulaire */
.form-section {
    margin-bottom: 40px;
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.form-section h2 {
    color: #003694;
    font-size: 1.4rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #bf001e;
}

/* Groupes de formulaire */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #003694;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #003694;
}


/* Lignes de formulaire */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: normal;
    color: #333;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Signatures */
.signature-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.signature-box {
    text-align: center;
}

.signature-box label {
    display: block;
    margin-bottom: 10px;
    color: #003694;
    font-weight: 500;
}

.signature-pad {
    border: 2px solid #003694;
    border-radius: 6px;
    background-color: #fff;
    width: 100%;
    height: 200px;
    cursor: crosshair;
}

/* Boutons */
.btn-primary,
.btn-secondary {
    padding: 12px 30px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-primary {
    background-color: #003694;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #002670;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 54, 148, 0.3);
}

.btn-secondary {
    background-color: #ffffff;
    color: #bf001e;
    border: 2px solid #bf001e;
}

.btn-secondary:hover {
    background-color: #bf001e;
    color: #ffffff;
}

/* Actions du formulaire */
.form-actions {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px solid #e0e0e0;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .form-section {
        padding: 20px;
    }

    .form-row,
    .signature-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .form-section h2 {
        font-size: 1.2rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .logo {
        max-width: 150px;
    }

    .form-section {
        padding: 15px;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="tel"],
    .form-group select,
    .form-group textarea {
        font-size: 14px;
        padding: 10px;
    }
}

/* Animation de chargement */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Messages d'erreur */
.error-message {
    color: #bf001e;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #bf001e;
}

.form-group.error .error-message {
    display: block;
}