/**
 * Navigation Clarity Styles
 *
 * Styles for the browse-by tabs and classification banners
 * that help users understand the categorisation scheme on each index page.
 */

/* ==========================================================================
   Browse By Tabs
   ========================================================================== */

.browse-by {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
}

.browse-by__label {
    font-weight: 700;
    color: var(--color-text-secondary);
    margin-right: 5px;
}

.browse-by__tabs {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.browse-by__tab {
    display: inline-block;
    padding: 8px 15px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-white);
    color: var(--color-gov-blue);
    text-decoration: none;
    font-size: 16px;
    line-height: 1.25;
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.browse-by__tab:hover {
    background: var(--color-bg-page);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.browse-by__tab:focus {
    outline: 3px solid var(--color-focus);
    outline-offset: 0;
    background: var(--color-focus);
    color: var(--color-text-primary);
    box-shadow: inset 0 0 0 1px var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.browse-by__tab--active {
    background: var(--color-gov-blue);
    border-color: var(--color-gov-blue);
    color: var(--color-bg-white);
    font-weight: 700;
}

.browse-by__tab--active:hover {
    background: var(--color-gov-blue-dark);
    border-color: var(--color-gov-blue-dark);
    color: var(--color-bg-white);
}


/* ==========================================================================
   Classification Banner
   ========================================================================== */

.classification-banner {
    border-left-color: var(--color-gov-blue);
    background: var(--color-bg-page);
}

.classification-banner strong {
    color: var(--color-text-primary);
}


/* ==========================================================================
   Cross Navigation
   ========================================================================== */

.cross-navigation {
    background: var(--color-bg-page);
    padding: 20px;
    margin-top: 30px;
    border-top: 3px solid var(--color-gov-blue);
}

.cross-navigation__heading {
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 15px;
    color: var(--color-text-primary);
}

.cross-navigation__intro {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.cross-navigation__section {
    margin-bottom: 20px;
}

.cross-navigation__section:last-child {
    margin-bottom: 0;
}

.cross-navigation__section h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--color-text-primary);
}

.cross-navigation__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cross-navigation__list li {
    margin-bottom: 8px;
}

.cross-navigation__list a {
    color: var(--color-gov-blue);
    text-decoration: underline;
}

.cross-navigation__list a:hover {
    color: var(--color-gov-blue-dark);
    text-decoration-thickness: max(3px, .1875rem, .12em);
}

.cross-navigation__count {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-left: 8px;
}


/* ==========================================================================
   Sector Page Enhancements
   ========================================================================== */

.sector-hero {
    background: var(--color-bg-page);
    padding: 30px 20px;
    margin-bottom: 30px;
    border-left: 5px solid var(--color-gov-blue);
}

.sector-hero__title {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 10px;
}

.sector-hero__description {
    font-size: 19px;
    color: var(--color-text-secondary);
    margin: 0;
}

.sector-stats {
    display: flex;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.sector-stats__item {
    display: flex;
    flex-direction: column;
}

.sector-stats__number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-gov-blue);
    line-height: 1;
}

.sector-stats__label {
    font-size: 16px;
    color: var(--color-text-secondary);
}


/* ==========================================================================
   Content Sections for Sector Pages
   ========================================================================== */

.sector-section {
    margin-bottom: 40px;
}

.sector-section__heading {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-border);
}

.sector-section__intro {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

/* Subsector cards */
.subsector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.subsector-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: 20px;
}

.subsector-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 10px;
}

.subsector-card p {
    color: var(--color-text-secondary);
    margin: 0;
}

/* Regulator list */
.regulator-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.regulator-list li {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: 15px;
}

.regulator-list strong {
    display: block;
    font-size: 16px;
    margin-bottom: 5px;
}

.regulator-list .remit {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Guides grouped by topic */
.topic-group {
    margin-bottom: 30px;
}

.topic-group__heading {
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 15px;
    color: var(--color-gov-blue);
}

.topic-group__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.topic-group__list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.topic-group__list li:last-child {
    border-bottom: none;
}

.topic-group__list a {
    font-size: 16px;
    color: var(--color-gov-blue);
    text-decoration: underline;
}

.topic-group__list a:hover {
    color: var(--color-gov-blue-dark);
}

/* Related categories */
.related-sectors {
    background: var(--color-bg-page);
    padding: 20px;
    margin-top: 30px;
}

.related-sectors__heading {
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 15px;
}

.related-sectors__list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-sectors__list a {
    display: inline-block;
    padding: 8px 15px;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    color: var(--color-gov-blue);
    text-decoration: none;
}

.related-sectors__list a:hover {
    background: var(--color-gov-blue);
    border-color: var(--color-gov-blue);
    color: var(--color-bg-white);
}


/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 640px) {
    .browse-by {
        flex-direction: column;
        align-items: flex-start;
    }

    .browse-by__tabs {
        width: 100%;
    }

    .browse-by__tab {
        flex: 1;
        text-align: center;
        padding: 10px 8px;
        font-size: 14px;
    }

    .sector-stats {
        flex-direction: column;
        gap: 15px;
    }
}