/**
 * Filter Form Styles
 * Styles pour les formulaires de filtrage générés par FilterFormBuilder
 * 
 * Architecture : BEM (Block Element Modifier)
 * Compatible avec : filter-system-architecture.md v3.3
 */

/* ============================================
   FILTER SECTION - Container global
   ============================================ */
.filter-section {
    margin-bottom: var(--spacing-xl);
}

.filter-section__header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.filter-section__title {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin: 0;
}

/* ============================================
   COLLAPSIBLE FILTER SECTION
   ============================================ */
.filter-section--collapsible .filter-section__header {
    cursor: pointer;
    user-select: none;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.filter-section--collapsible .filter-section__header:hover {
    color: var(--color-primary);
}

.filter-section__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-section__toggle:hover {
    background: var(--color-primary-light);
    color: white;
}

.filter-section__toggle-icon {
    font-size: var(--font-size-xs);
    transition: transform 0.25s ease;
}

.filter-section--collapsed .filter-section__toggle-icon {
    transform: rotate(-90deg);
}

.filter-section__body {
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.25s ease;
    max-height: 500px;
    opacity: 1;
}

.filter-section--collapsed .filter-section__body {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
}

.filter-section--collapsed .filter-section__header {
    margin-bottom: 0;
}

/* ============================================
   FILTER BAR - Layout principal
   ============================================ */
.filter-bar {
    background-color: var(--color-surface);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.filter-bar__left,
.filter-bar__center,
.filter-bar__right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-bar__center {
    flex: 1;
    flex-wrap: wrap;
}

.filter-bar__inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    width: 100%;
}

.filter-bar__stacked {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

.filter-bar__group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   FILTER FIELD - Champ individuel
   ============================================ */
.filter-field {
    position: relative;
    display: flex;
    align-items: center;
}

.filter-field--search {
    position: relative;
    min-width: 200px;
    max-width: 300px;
    flex: 1;
}

.filter-field--search .filter-field__icon {
    position: absolute;
    left: var(--spacing-md);
    color: var(--color-text-muted);
    pointer-events: none;
    z-index: 1;
}

.filter-field--search .filter-input {
    padding-left: calc(var(--spacing-md) * 2 + 1em);
    padding-right: calc(var(--spacing-md) * 2);
}

.filter-field__clear {
    position: absolute;
    right: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
}

.filter-field--search:hover .filter-field__clear,
.filter-field--search .filter-input:focus ~ .filter-field__clear {
    opacity: 1;
}

.filter-field__clear:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.filter-field__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-light);
    margin-right: var(--spacing-sm);
    white-space: nowrap;
}

.filter-field--date,
.filter-field--number {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-field--range {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* ============================================
   FILTER INPUT - Champs de saisie
   ============================================ */
.filter-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    min-width: 120px;
}

.filter-input:hover {
    border-color: var(--color-text-light);
}

.filter-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(54, 89, 87, 0.1);
}

.filter-input::placeholder {
    color: var(--color-text-muted);
}

.filter-input--date {
    min-width: 140px;
}

.filter-input--number {
    min-width: 80px;
    max-width: 100px;
}

/* ============================================
   FILTER SELECT - Listes déroulantes
   ============================================ */
.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: calc(var(--spacing-md) * 2.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath fill='%23718096' d='M4.427 6.427l3.396 3.396a.25.25 0 00.354 0l3.396-3.396A.25.25 0 0011.396 6H4.604a.25.25 0 00-.177.427z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    background-size: 16px 16px;
    min-width: 150px;
}

.filter-select:hover {
    border-color: var(--color-primary);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(54, 89, 87, 0.1);
}

/* ============================================
   FILTER RANGE - Plages de valeurs
   ============================================ */
.filter-range {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-range__separator {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   FILTER CHECKBOX - Cases à cocher
   ============================================ */
.filter-checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    user-select: none;
    font-size: var(--font-size-sm);
}

.filter-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.filter-checkbox__mark {
    position: relative;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    transition: all var(--transition-fast);
}

.filter-checkbox__mark::after {
    content: '';
    position: absolute;
    display: none;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.filter-checkbox input:checked + .filter-checkbox__mark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.filter-checkbox input:checked + .filter-checkbox__mark::after {
    display: block;
}

.filter-checkbox:hover .filter-checkbox__mark {
    border-color: var(--color-primary);
}

.filter-checkbox__label {
    color: var(--color-text);
}

/* ============================================
   FILTER RADIO - Boutons radio
   ============================================ */
.filter-radio-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-radio {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    user-select: none;
    font-size: var(--font-size-sm);
}

.filter-radio input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.filter-radio__mark {
    position: relative;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    background-color: var(--color-surface);
    transition: all var(--transition-fast);
}

.filter-radio__mark::after {
    content: '';
    position: absolute;
    display: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
}

.filter-radio input:checked + .filter-radio__mark {
    border-color: var(--color-primary);
}

.filter-radio input:checked + .filter-radio__mark::after {
    display: block;
}

.filter-radio:hover .filter-radio__mark {
    border-color: var(--color-primary);
}

.filter-radio__label {
    color: var(--color-text);
}

/* ============================================
   FILTER AUTOCOMPLETE - Champ avec suggestions
   ============================================ */
.filter-field--autocomplete {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.filter-autocomplete__suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-md);
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.filter-autocomplete__suggestions.is-open {
    display: block;
}

.filter-autocomplete__item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
}

.filter-autocomplete__item:hover,
.filter-autocomplete__item.is-highlighted {
    background-color: var(--color-bg);
}

/* ============================================
   FILTER ACTIONS - Boutons d'action
   ============================================ */
.filter-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
}

/* ============================================
   FILTER BADGE - Compteur de filtres actifs
   ============================================ */
.filter-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.filter-badge__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.filter-badge__text {
    white-space: nowrap;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
    }

    .filter-bar__left,
    .filter-bar__center,
    .filter-bar__right {
        width: 100%;
        justify-content: flex-start;
    }

    .filter-bar__center {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-field--search {
        max-width: none;
        width: 100%;
    }

    .filter-select {
        width: 100%;
    }

    .filter-actions {
        margin-left: 0;
        justify-content: flex-end;
    }

    .filter-checkbox-group,
    .filter-radio-group {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================
   ÉTATS
   ============================================ */

/* État actif sur les filtres appliqués */
.filter-select.has-value,
.filter-input.has-value {
    border-color: var(--color-primary);
    background-color: rgba(54, 89, 87, 0.03);
}

/* État désactivé */
.filter-input:disabled,
.filter-select:disabled {
    background-color: var(--color-bg);
    cursor: not-allowed;
    opacity: 0.6;
}

/* État de chargement */
.filter-bar.is-loading {
    opacity: 0.7;
    pointer-events: none;
}

.filter-bar.is-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: filter-spin 0.8s linear infinite;
}

@keyframes filter-spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ============================================
   BADGES DE FILTRES ACTIFS
   ============================================ */

/**
 * Zone contenant les badges individuels des filtres actifs
 * S'affiche sous la zone d'actions quand des filtres sont appliqués
 * Utilise flex-basis: 100% pour forcer le passage à la ligne dans le flex parent
 */
.filter-active-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    animation: filter-badges-slide-in 0.2s ease-out;
    
    /* Force le conteneur à prendre toute la largeur et passer à la ligne */
    flex-basis: 100%;
    width: 100%;
    order: 99; /* S'assure qu'il apparaît en dernier dans le flex */
}

/**
 * Badge de compteur de filtres actifs (au début de la zone)
 */
.filter-counter-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-text-inverse, white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-right: var(--spacing-xs);
}

.filter-counter-badge__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    background-color: rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.filter-counter-badge__text {
    font-weight: 400;
}

@keyframes filter-badges-slide-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/**
 * Badge individuel pour un filtre actif
 */
.filter-active-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px var(--spacing-sm);
    background-color: var(--color-info-light, rgba(54, 89, 87, 0.1));
    border: 1px solid var(--color-info, var(--color-primary));
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.filter-active-badge:hover {
    background-color: var(--color-info, rgba(54, 89, 87, 0.15));
}

.filter-active-badge__label {
    color: var(--color-text-muted);
    font-weight: 400;
}

.filter-active-badge__value {
    font-weight: 500;
    color: var(--color-primary);
}

.filter-active-badge__remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 0;
    margin-left: 2px;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-active-badge__remove:hover {
    background-color: var(--color-danger-light, rgba(220, 53, 69, 0.15));
    color: var(--color-danger);
}

.filter-active-badge__remove i {
    font-size: 10px;
}

/* État désactivé du formulaire */
.filter-form--disabled {
    opacity: 0.7;
    pointer-events: none;
}

.filter-form--loading {
    cursor: wait;
}

/* Responsive pour les badges actifs */
@media (max-width: 768px) {
    .filter-active-badges {
        padding: var(--spacing-xs) 0;
        padding-top: var(--spacing-sm);
        margin-top: var(--spacing-xs);
    }
    
    .filter-active-badge {
        font-size: 11px;
    }
}