/* ============================================
   FORMULAIRES - STYLES CENTRALISÉS
   ============================================ */

/* Animations */
@keyframes slideIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Conteneur de formulaire avec animation */
.form-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
    animation: slideIn 0.5s ease-out;
}

/* Section de Formulaire Premium */
.form-section {
    background: var(--white-color);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
    transition: all 0.3s;
    border-left: 5px solid var(--primary-color);
}

.form-section:hover {
    box-shadow: 0 10px 30px rgba(var(--primary-rgb, 66, 126, 234), 0.1);
    transform: translateX(5px);
}

/* Titre de section premium */
.form-section-title {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Grille de Formulaire */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
}

/* Groupe de Champ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* Labels */
.form-label {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.form-label .required {
    color: var(--danger-color);
    margin-left: 0.25rem;
}

/* Champs de Saisie Premium */
.form-control,
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-300);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s;
    background: var(--white-color);
    color: var(--gray-900);
}

.form-control:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(var(--primary-rgb, 66, 126, 234), 0.15);
    transform: translateY(-2px);
    background: #fafbfc;
}

.form-control:disabled,
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
}

/* Textarea */
.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Select */
.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

/* Checkbox et Radio */
.checkbox-label,
.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.checkbox-label:hover,
.radio-label:hover {
    background: var(--gray-100);
}

.checkbox-label input[type="checkbox"],
.radio-label input[type="radio"] {
    width: auto;
    cursor: pointer;
}

/* Input File */
input[type="file"] {
    padding: 1rem;
    border: 2px dashed var(--gray-300);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

input[type="file"]:hover {
    border-color: var(--primary-color);
    background: var(--gray-50);
}

/* Messages d'Aide */
.form-help,
.form-text {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

/* Messages d'Erreur */
.form-error {
    font-size: 0.85rem;
    color: var(--danger-color);
    margin-top: 0.25rem;
}

.form-control.is-invalid,
.form-input.is-invalid {
    border-color: var(--danger-color);
}

/* Messages de Succès */
.form-success {
    font-size: 0.85rem;
    color: var(--success-color);
    margin-top: 0.25rem;
}

.form-control.is-valid,
.form-input.is-valid {
    border-color: var(--success-color);
}

/* Actions de Formulaire Premium */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 2rem;
    border-top: 2px solid #f0f0f0;
    margin-top: 2rem;
}

/* Labels Premium */
.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group label.required::after {
    content: " *";
    color: var(--danger-color);
}

/* Input Groups (avec icône ou bouton) */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: 8px 0 0 8px;
}

.input-group-append,
.input-group-prepend {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    color: var(--gray-600);
}

.input-group-prepend {
    border-right: none;
    border-radius: 8px 0 0 8px;
}

.input-group-append {
    border-left: none;
    border-radius: 0 8px 8px 0;
}

/* Switch Toggle */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: 0.4s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Range Slider */
input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--gray-300);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

/* Required Indicator */
.required {
    color: var(--danger-color);
    font-weight: 700;
}

/* Fieldset */
fieldset {
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

fieldset legend {
    font-weight: 700;
    color: var(--secondary-color);
    padding: 0 0.5rem;
}

/* Form Inline */
.form-inline {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.form-inline .form-group {
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .form-grid,
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column-reverse;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box input {
        max-width: 100%;
    }
}

/* États de Validation */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success-color);
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger-color);
}