/* ==========================================================================
   Accordion Sections - Collapsible Content Blocks
   Compatible with GOV.UK Frontend v5.11.2
   ========================================================================== */

/* Accordion Section Container
   ========================================================================== */

.accordion-section {
    border: 1px solid var(--color-border-light);
    border-bottom: none;
    background: var(--color-bg-white);
}

.accordion-section:first-child {
    border-radius: 4px 4px 0 0;
}

.accordion-section:last-child {
    border-bottom: 1px solid var(--color-border-light);
    border-radius: 0 0 4px 4px;
}

.accordion-section:only-child {
    border-radius: 4px;
    border-bottom: 1px solid var(--color-border-light);
}

/* Accordion Header
   ========================================================================== */

.accordion-section__header {
    background: var(--color-bg-light);
}

.accordion-section__toggle {
    display: flex;
    width: 100%;
    padding: var(--space-4);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    transition: background-color var(--transition-base);
}

.accordion-section__toggle:hover {
    background-color: var(--color-bg-hover);
}

.accordion-section__toggle:focus {
    outline: 3px solid var(--color-focus);
    outline-offset: 0;
    background-color: var(--color-focus);
}

.accordion-section__toggle:focus .accordion-section__heading {
    color: var(--color-text-black);
}

/* Heading
   ========================================================================== */

.accordion-section__heading {
    font-family: var(--font-stack);
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-link);
    margin: 0;
    flex: 1;
}

.accordion-section__toggle:hover .accordion-section__heading {
    text-decoration: underline;
    text-decoration-thickness: max(3px, 0.1875rem);
    text-underline-offset: 0.1em;
}

/* Icon
   ========================================================================== */

.accordion-section__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-link);
}

.accordion-icon {
    transition: transform var(--transition-slow);
}

.accordion-section--expanded .accordion-icon {
    transform: rotate(180deg);
}

/* Summary (shown below heading when collapsed)
   ========================================================================== */

.accordion-section__summary {
    margin: 0;
    padding: 0 var(--space-4) var(--space-3);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Content Area
   ========================================================================== */

.accordion-section__content {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.accordion-section__content[hidden] {
    display: none;
}

/* Nested content spacing
   ========================================================================== */

.accordion-section__content > *:first-child {
    margin-top: 0;
}

.accordion-section__content > *:last-child {
    margin-bottom: 0;
}

.accordion-section__content .signposting-card {
    margin-bottom: var(--space-4);
}

.accordion-section__content .signposting-card:last-child {
    margin-bottom: 0;
}

/* Callout blocks inside accordion
   ========================================================================== */

.accordion-section__content .callout-block {
    margin-bottom: var(--space-4);
}

.accordion-section__content .callout-block:last-child {
    margin-bottom: 0;
}

/* Data points inside accordion
   ========================================================================== */

.accordion-section__content .data-points {
    margin-bottom: var(--space-4);
}

.accordion-section__content .data-points:last-child {
    margin-bottom: 0;
}

/* Action lists inside accordion
   ========================================================================== */

.accordion-section__content .action-list {
    margin-bottom: var(--space-4);
}

.accordion-section__content .action-list:last-child {
    margin-bottom: 0;
}

/* Signposting Card Type Variants
   Additional type-specific styling for inline signposting cards
   ========================================================================== */

.signposting-card--service {
    border-left-color: var(--color-success);
}

.signposting-card--service:hover {
    border-left-color: var(--color-success-dark);
}

.signposting-card__type--service {
    background: var(--color-success);
    color: var(--color-bg-white);
}

.signposting-card--funding {
    border-left-color: var(--color-northern-ireland);
}

.signposting-card--funding:hover {
    border-left-color: var(--color-purple-dark);
}

.signposting-card__type--funding {
    background: var(--color-northern-ireland);
    color: var(--color-bg-white);
}

.signposting-card--form {
    border-left-color: var(--color-warning);
}

.signposting-card--form:hover {
    border-left-color: var(--color-warning-dark);
}

.signposting-card__type--form {
    background: var(--color-warning);
    color: var(--color-bg-white);
}

.signposting-card--interactive_tool {
    border-left-color: var(--color-light-blue);
}

.signposting-card--interactive_tool:hover {
    border-left-color: var(--color-light-blue-dark);
}

.signposting-card__type--interactive_tool {
    background: var(--color-light-blue);
    color: var(--color-bg-white);
}

.signposting-card--organisation {
    border-left-color: var(--color-turquoise);
}

.signposting-card--organisation:hover {
    border-left-color: var(--color-turquoise-dark);
}

.signposting-card__type--organisation {
    background: var(--color-turquoise);
    color: var(--color-bg-white);
}

/* Responsive adjustments
   ========================================================================== */

@media (max-width: 640px) {
    .accordion-section__toggle {
        padding: var(--space-3);
    }

    .accordion-section__heading {
        font-size: 1rem;
    }

    .accordion-section__content {
        padding: var(--space-3);
    }

    .accordion-section__summary {
        padding: 0 var(--space-3) var(--space-2);
    }
}

/* Print styles
   ========================================================================== */

@media print {
    .accordion-section {
        border: none;
        page-break-inside: avoid;
    }

    .accordion-section__content {
        display: block !important;
    }

    .accordion-section__icon {
        display: none;
    }
}