/* ==========================================================================
   Formulaire de Calcul de Prêt — Manaf Services
   ========================================================================== */

.loan-calculator {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 30px;
    max-width: 800px;
    margin: 20px auto;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.loan-calculator h3 {
    color: #1a202c;
    font-size: 1.3rem;
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid #edf2f7;
    padding-bottom: 8px;
}

/* Gestion des lignes de formulaires multi-colonnes (Responsive) */
.loan-calculator .form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
}

.loan-calculator .form-row > div {
    flex: 1;
    min-width: 200px; /* Force l'empilement sur petits écrans */
}

/* Éléments de formulaires globaux */
.loan-calculator label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: #4a5568;
    font-size: 0.95rem;
}

.loan-calculator input[type="text"],
.loan-calculator input[type="email"],
.loan-calculator input[type="tel"],
.loan-calculator input[type="number"],
.loan-calculator select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 5px;
    background-color: #fff;
    color: #2d3748;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.loan-calculator input:focus,
.loan-calculator select:focus {
    border-color: #3182ce;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.5);
    outline: none;
}

.loan-calculator input[readonly] {
    background-color: #f7fafc;
    color: #718096;
    cursor: not-allowed;
}

/* Sections du formulaire */
.loan-calculator .loan-form-section {
    margin-bottom: 30px;
}

/* Bouton d'action */
.loan-calculator button[type="submit"] {
    background-color: #3182ce;
    color: #fff;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
    display: block;
}

.loan-calculator button[type="submit"]:hover {
    background-color: #2b6cb0;
}

.loan-calculator button[type="submit"]:disabled {
    background-color: #a0aec0;
    cursor: not-allowed;
}

/* Bloc d'Amortissement / Résumé Dynamique */
#loan-summary {
    background: #f7fafc;
    border-left: 4px solid #3182ce;
    border-radius: 0 6px 6px 0;
    padding: 20px;
    margin-top: 25px;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}

#loan-summary h3 {
    border-bottom: 1px solid #e2e8f0;
    color: #2b6cb0;
    margin-bottom: 15px;
}

#loan-summary p {
    margin: 8px 0;
    display: flex;
    justify-content: space-between;
    color: #4a5568;
    font-size: 0.95rem;
    border-bottom: 1px dashed #edf2f7;
    padding-bottom: 4px;
}

#loan-summary p strong {
    color: #2d3748;
}

#loan-summary span {
    font-weight: 700;
    color: #1a202c;
}

/* Messages de retour Ajax (Succès / Erreur) */
.loan-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
}

.loan-message.success {
    background-color: #f0fff4;
    border: 1px solid #c6f6d5;
    color: #22543d;
}

.loan-message.error {
    background-color: #fff5f5;
    border: 1px solid #fed7d7;
    color: #742a2a;
}

#loading-spinner {
    font-weight: 600;
    color: #4a5568;
    text-align: center;
    padding: 10px;
}