/* ==========================================================================
   POMPE A CHALEUR MEUSE - FORMS STYLES
   Site: pompe-a-chaleur-meuse.com
   ========================================================================== */

/* ==========================================================================
   1. CONTAINER FORMULAIRE
   ========================================================================== */

.form-container {
    background-color: var(--color-white);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-10);
    max-width: 700px;
    margin: 0 auto;
}

.form-container-lg {
    max-width: 900px;
    padding: var(--spacing-12);
}

.form-container-sm {
    max-width: 500px;
    padding: var(--spacing-8);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.form-header h2 {
    margin-bottom: var(--spacing-3);
}

.form-header p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* Formulaire inline dans hero */
.form-inline {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-2xl);
}

.form-inline h3 {
    color: var(--color-gray-900);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-6);
    text-align: center;
}

/* ==========================================================================
   2. GRILLE FORMULAIRE
   ========================================================================== */

.form-grid {
    display: grid;
    gap: var(--spacing-6);
}

.form-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.form-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-row {
    display: flex;
    gap: var(--spacing-6);
}

.form-row > * {
    flex: 1;
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

/* Full width */
.form-full {
    grid-column: 1 / -1;
}

/* ==========================================================================
   3. LABELS ET INPUTS
   ========================================================================== */

label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

label.required::after {
    content: ' *';
    color: var(--color-error);
}

.label-hint {
    font-weight: var(--font-weight-normal);
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-2);
}

/* Inputs de base */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="url"],
input[type="search"],
input[type="date"] {
    width: 100%;
    padding: var(--spacing-4);
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
    outline: none;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="number"]:hover,
input[type="password"]:hover,
input[type="url"]:hover,
input[type="search"]:hover,
input[type="date"]:hover {
    border-color: var(--color-gray-300);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="date"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

input::placeholder {
    color: var(--color-gray-400);
}

/* Input avec icone */
.input-icon {
    position: relative;
}

.input-icon input {
    padding-left: var(--spacing-12);
}

.input-icon i {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    font-size: var(--font-size-lg);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-icon input:focus + i,
.input-icon input:focus ~ i {
    color: var(--color-primary);
}

/* Input avec icone a droite */
.input-icon-right input {
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-12);
}

.input-icon-right i {
    left: auto;
    right: var(--spacing-4);
}

/* Input sizes */
.input-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
}

.input-lg {
    padding: var(--spacing-5) var(--spacing-6);
    font-size: var(--font-size-lg);
}

/* ==========================================================================
   4. SELECT
   ========================================================================== */

select {
    width: 100%;
    padding: var(--spacing-4);
    padding-right: var(--spacing-12);
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-4) center;
    background-size: 16px;
}

select:hover {
    border-color: var(--color-gray-300);
}

select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

select:disabled {
    background-color: var(--color-gray-100);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

/* Select custom wrapper */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '';
    position: absolute;
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

/* ==========================================================================
   5. TEXTAREA
   ========================================================================== */

textarea {
    width: 100%;
    padding: var(--spacing-4);
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
    outline: none;
    resize: vertical;
    min-height: 120px;
    line-height: var(--line-height-relaxed);
}

textarea:hover {
    border-color: var(--color-gray-300);
}

textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

textarea::placeholder {
    color: var(--color-gray-400);
}

textarea.textarea-sm {
    min-height: 80px;
}

textarea.textarea-lg {
    min-height: 200px;
}

/* ==========================================================================
   6. CHECKBOX & RADIO
   ========================================================================== */

.checkbox-wrapper,
.radio-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"],
.radio-wrapper input[type="radio"] {
    display: none;
}

.checkbox-custom,
.radio-custom {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    background-color: var(--color-white);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.radio-custom {
    border-radius: var(--border-radius-full);
}

.checkbox-custom::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    color: var(--color-white);
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transition-fast);
}

.radio-custom::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: var(--border-radius-full);
    background-color: var(--color-white);
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-fast);
}

.checkbox-wrapper:hover .checkbox-custom,
.radio-wrapper:hover .radio-custom {
    border-color: var(--color-primary);
}

.checkbox-wrapper input:checked + .checkbox-custom,
.radio-wrapper input:checked + .radio-custom {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-wrapper input:checked + .checkbox-custom::after,
.radio-wrapper input:checked + .radio-custom::after {
    opacity: 1;
    transform: scale(1);
}

.checkbox-wrapper input:focus + .checkbox-custom,
.radio-wrapper input:focus + .radio-custom {
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.checkbox-label,
.radio-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: var(--line-height-normal);
}

.checkbox-label a,
.radio-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Checkbox group */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.checkbox-group-inline,
.radio-group-inline {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-6);
}

/* ==========================================================================
   7. BOUTON SUBMIT
   ========================================================================== */

.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    width: 100%;
    padding: var(--spacing-5) var(--spacing-8);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(var(--color-primary-rgb), 0.4);
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit:active {
    transform: translateY(-1px);
}

.btn-submit:disabled {
    background: var(--color-gray-300);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-submit:disabled::before {
    display: none;
}

/* Loading state */
.btn-submit.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-submit.loading .btn-text {
    visibility: hidden;
}

.btn-submit.loading::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   8. AUTOCOMPLETE
   ========================================================================== */

.autocomplete-wrapper {
    position: relative;
    width: 100%;
}

.autocomplete-wrapper input {
    width: 100%;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: var(--z-dropdown);
    background-color: var(--color-white);
    color: var(--color-gray-900);
    border: 2px solid var(--color-gray-200);
    border-top: none;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.autocomplete-wrapper.open .autocomplete-results {
    display: block;
}

.autocomplete-wrapper.open input {
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    border-bottom-color: transparent;
}

.autocomplete-item {
    padding: var(--spacing-4);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    border-bottom: 1px solid var(--color-gray-100);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background-color: var(--color-gray-50);
}

.autocomplete-item.autocomplete-active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.autocomplete-item.autocomplete-active .autocomplete-item-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.autocomplete-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-md);
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.autocomplete-active .autocomplete-item-icon {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.autocomplete-item-content {
    flex: 1;
    min-width: 0;
}

.autocomplete-item-title {
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.autocomplete-item-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: 2px;
}

/* Highlight des caracteres matchant */
.autocomplete-highlight {
    background-color: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    padding: 0 2px;
    border-radius: 2px;
}

.autocomplete-active .autocomplete-highlight {
    background-color: rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}

/* No results */
.autocomplete-no-results {
    padding: var(--spacing-6);
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.autocomplete-no-results i {
    display: block;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-3);
    color: var(--color-gray-400);
}

/* Loading indicator */
.autocomplete-loading {
    padding: var(--spacing-4);
    text-align: center;
}

.autocomplete-loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ==========================================================================
   9. MESSAGES SUCCES/ERREUR
   ========================================================================== */

.form-message {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-6);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
}

.form-message i {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    margin-top: 1px;
}

.form-message-success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-secondary-dark);
}

.form-message-success i {
    color: var(--color-secondary);
}

.form-message-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #b91c1c;
}

.form-message-error i {
    color: var(--color-error);
}

.form-message-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #b45309;
}

.form-message-warning i {
    color: var(--color-warning);
}

.form-message-info {
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #1d4ed8;
}

.form-message-info i {
    color: var(--color-info);
}

/* Message plein ecran de succes */
.form-success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.form-success-overlay.show {
    opacity: 1;
    visibility: visible;
}

.form-success-content {
    background-color: var(--color-white);
    padding: var(--spacing-12);
    border-radius: var(--border-radius-2xl);
    text-align: center;
    max-width: 500px;
    margin: var(--spacing-4);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.form-success-overlay.show .form-success-content {
    transform: scale(1);
}

.form-success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-6);
    color: var(--color-white);
    font-size: var(--font-size-3xl);
    animation: successPop 0.4s ease-out;
}

@keyframes successPop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.form-success-content h3 {
    margin-bottom: var(--spacing-3);
}

.form-success-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-6);
}

/* ==========================================================================
   10. VALIDATION VISUELLE
   ========================================================================== */

/* Etat valide */
input.is-valid,
select.is-valid,
textarea.is-valid {
    border-color: var(--color-secondary);
}

input.is-valid:focus,
select.is-valid:focus,
textarea.is-valid:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-group.is-valid .input-icon i {
    color: var(--color-secondary);
}

/* Etat invalide */
input.is-invalid,
select.is-invalid,
textarea.is-invalid {
    border-color: var(--color-error);
}

input.is-invalid:focus,
select.is-invalid:focus,
textarea.is-invalid:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-group.is-invalid .input-icon i {
    color: var(--color-error);
}

/* Messages de validation */
.validation-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-2);
    font-size: var(--font-size-xs);
}

.validation-message-error {
    color: var(--color-error);
}

.validation-message-success {
    color: var(--color-secondary);
}

.validation-message i {
    font-size: var(--font-size-sm);
}

/* Indicateur de force du mot de passe */
.password-strength {
    margin-top: var(--spacing-2);
}

.password-strength-bar {
    height: 4px;
    background-color: var(--color-gray-200);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-normal);
    width: 0;
}

.password-strength-fill.weak {
    width: 25%;
    background-color: var(--color-error);
}

.password-strength-fill.fair {
    width: 50%;
    background-color: var(--color-warning);
}

.password-strength-fill.good {
    width: 75%;
    background-color: var(--color-info);
}

.password-strength-fill.strong {
    width: 100%;
    background-color: var(--color-secondary);
}

.password-strength-text {
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-1);
    color: var(--color-gray-500);
}

/* ==========================================================================
   11. ETAPES DE FORMULAIRE (WIZARD)
   ========================================================================== */

.form-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-10);
}

.form-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.form-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-200);
    border-radius: var(--border-radius-full);
    color: var(--color-gray-500);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-normal);
}

.form-step-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-500);
    transition: color var(--transition-normal);
}

.form-step.active .form-step-number {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.form-step.active .form-step-label {
    color: var(--color-primary);
}

.form-step.completed .form-step-number {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.form-step.completed .form-step-number::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

.form-step-connector {
    width: 60px;
    height: 2px;
    background-color: var(--color-gray-200);
    margin: 0 var(--spacing-4);
    transition: background-color var(--transition-normal);
}

.form-step.completed + .form-step-connector,
.form-step-connector.completed {
    background-color: var(--color-secondary);
}

/* ==========================================================================
   12. FILE INPUT
   ========================================================================== */

.file-input-wrapper {
    position: relative;
}

.file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.file-input-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--border-radius-xl);
    background-color: var(--color-gray-50);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

.file-input-label:hover {
    border-color: var(--color-primary);
    background-color: rgba(var(--color-primary-rgb), 0.05);
}

.file-input:focus + .file-input-label {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.file-input-label i {
    font-size: var(--font-size-3xl);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-4);
}

.file-input-label span {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

.file-input-label strong {
    color: var(--color-primary);
}

.file-input-info {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-2);
}

/* File preview */
.file-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    background-color: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-3);
}

.file-preview-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-md);
    color: var(--color-white);
}

.file-preview-info {
    flex: 1;
    min-width: 0;
}

.file-preview-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-preview-size {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.file-preview-remove {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-full);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.file-preview-remove:hover {
    background-color: var(--color-error);
    color: var(--color-white);
}