/* =============================================================================
   integration/filters.css
   Filter description blocks, checkbox groups, and advanced filters toggle.
   ============================================================================= */

/* -----------------------------------------------------------------------------
   Filter description block (appears above checkboxes)
   ----------------------------------------------------------------------------- */

.filter-desc,
.filter-description {
    font-size: var(--font-size-sm);
    color: var(--text-medium);
    line-height: var(--line-height-relaxed);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

    .filter-desc p,
    .filter-description p {
        margin: 0 0 var(--space-2) 0;
    }

        .filter-desc p:last-child,
        .filter-description p:last-child {
            margin-bottom: 0;
        }

    .filter-desc a,
    .filter-description a,
    .info-link {
        color: var(--primary);
        text-decoration: none;
        font-weight: var(--font-weight-medium);
    }

        .filter-desc a:hover,
        .filter-description a:hover,
        .info-link:hover {
            text-decoration: underline;
        }

/* -----------------------------------------------------------------------------
   Checkbox group
   ----------------------------------------------------------------------------- */

.if-checkbox-group,
.checkbox-group,
.filters-group .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.if-check-item,
.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

    .if-check-item:hover,
    .checkbox-item:hover {
        border-color: var(--primary);
        background: var(--primary-light);
    }

    .if-check-item input[type="checkbox"],
    .checkbox-item input[type="checkbox"] {
        margin-top: 2px;
        accent-color: var(--primary);
        width: 15px;
        height: 15px;
        flex-shrink: 0;
        cursor: pointer;
    }

.if-check-body {
    flex: 1;
    min-width: 0;
}

.if-check-label,
.checkbox-label-text {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
    line-height: var(--line-height-tight);
}

.if-check-sub {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    margin: var(--space-1) 0 0 0;
    line-height: var(--line-height-normal);
}

/* Disabled state — class-based fallback for browsers without :has() support.
   The .if-check-item--disabled class is set by the server-side template. */
.if-check-item--disabled,
.checkbox-item--disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* Progressive enhancement — :has() for browsers that support it */
.if-check-item:has(input:disabled),
.checkbox-item:has(input:disabled) {
    opacity: 0.55;
    cursor: not-allowed;
}

/* -----------------------------------------------------------------------------
   Advanced filters toggle
   ----------------------------------------------------------------------------- */

.filters-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.filters-group-header,
.advanced-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-medium);
    -webkit-user-select: none;
    user-select: none;
}

    .filters-group-header:hover,
    .advanced-toggle:hover {
        background: var(--bg-tertiary);
    }

/* treat invalid h7 as inline */
h7.filters-group-title {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-medium);
}

.toggle-icon-small,
.adv-chevron {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    transition: transform var(--transition-base);
}

.filters-group.open .adv-chevron,
.advanced-filters.open .toggle-icon-small {
    transform: rotate(180deg);
}

.advanced-filters-content,
.advanced-content {
    display: none;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-3) 0 0 0;
}

    .advanced-filters-content.open,
    .advanced-content.open {
        display: flex;
    }

.alert-box-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--info-bg);
    border: 1px solid var(--info-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--text-medium);
    line-height: var(--line-height-normal);
}

    .alert-box-note i {
        color: var(--info);
        margin-top: 1px;
        flex-shrink: 0;
    }