/**
 * Save.ag Public Frontend - Custom Styles
 * Brand Compliant - extends saveag-ui.css
 * Design Philosophy: Information, not sizzle. Sleek, fast, spartan.
 */

/* =============================================================================
   CSS Custom Properties (extend saveag-ui.css)
   ============================================================================= */
:root {
    /* Spacing */
    --section-padding: 3rem;
    --section-padding-mobile: 1.5rem;

    /* Max widths */
    --content-max-width: 1200px;

    /* Mobile/Responsive */
    --touch-target-min: 44px;
    --bottom-nav-height: 56px;
    --mobile-padding: 1rem;
    --mobile-breakpoint: 1024px;
}

/* =============================================================================
   ACCESSIBILITY UTILITIES (WCAG 2.1 AA Compliance)
   ============================================================================= */

/* Screen reader only - visually hidden but accessible to assistive technology */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Becomes visible when focused (for skip links) */
.sr-only-focusable:focus,
.sr-only-focusable:active {
    position: fixed;
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10000;
    font-weight: 500;
    text-decoration: none;
}

/* Global focus indicator - WCAG 2.4.7 Focus Visible */
*:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 2px;
}

/* Remove focus outline for mouse users (when supported) */
*:focus:not(:focus-visible) {
    outline: none;
}

/* Ensure links in dark backgrounds have visible focus */
.bottom-tabs *:focus-visible {
    outline-color: white;
}

/* Details/summary focus styling */
details summary:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 2px;
}

/* =============================================================================
   Layout
   ============================================================================= */
.site-main {
    /* No min-height - let content determine height */
}

.container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =============================================================================
   Bottom Tab Bar (Mobile Navigation) — dark forest palette
   ============================================================================= */
.bottom-tabs {
    display: none; /* Hidden on desktop */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background-color: var(--color-secondary); /* Dark Forest: #1f4332 */
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.bottom-tabs-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
}

.tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(247, 247, 237, 0.7); /* Cream @ 70% */
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    gap: 2px;
    transition: color var(--transition-fast);
    min-height: var(--touch-target-min);
    border-right: 1px solid rgba(247, 247, 237, 0.15);
}

.tab-item:last-child {
    border-right: none;
}

.tab-item:hover,
.tab-item:focus {
    color: rgba(247, 247, 237, 1); /* Full cream */
    text-decoration: none;
}

.tab-item.active {
    color: rgba(247, 247, 237, 1); /* Full cream */
    border-top: 2px solid var(--color-primary); /* Green top border */
}

.tab-icon {
    width: 24px;
    height: 24px;
}

.tab-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* =============================================================================
   Ask Hero Section (Search-First Homepage Design)
   ============================================================================= */
.ask-hero {
    padding: 2.5rem 0 1.5rem 0;
    background-color: var(--color-background); /* Cream: #f7f7ed */
}

/* Background variant with subtle landscape gradient */
.ask-hero.with-landscape {
    background:
        /* Subtle landscape silhouette - layers of hills */
        linear-gradient(
            to bottom,
            var(--color-background) 0%,
            var(--color-background) 60%,
            rgba(107, 175, 178, 0.08) 70%,
            rgba(80, 108, 68, 0.12) 85%,
            rgba(80, 108, 68, 0.18) 100%
        );
    background-attachment: fixed;
}

.ask-hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* Primary Headline - What this tool does */
.ask-headline {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-secondary); /* Dark Forest Green: #1f4332 */
    line-height: 1.4;
    margin: 0 0 0.6rem 0;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

/* Corpus Stats - Compact trust signal, subordinate to headline */
.ask-corpus-stats {
    font-size: 0.88rem;
    font-weight: 400;
    color: rgba(31, 67, 50, 0.65);
    line-height: 1.5;
    margin: 0 0 2rem 0;
    letter-spacing: 0.04em;
}

.ask-corpus-stats strong {
    font-weight: 600;
    color: var(--color-primary); /* Primary Green: #506c44 */
}

/* Search Form */
.ask-hero-form {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.ask-hero-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    padding: 1rem 1.25rem;
    margin: 0;
}

.ask-hero-input {
    flex: 1;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 1.05rem;
    font-weight: 300;
    background: transparent;
    outline: none;
    resize: none;
    min-height: 52px;
    line-height: 1.5;
    vertical-align: top;
}

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

.ask-hero-button {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    padding: var(--spacing-sm);
    background-color: var(--color-primary); /* Primary Green: #506c44 */
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.ask-hero-button:hover {
    background-color: var(--color-secondary);
}

.search-icon {
    width: 28px;
    height: 28px;
}

/* Example Query Chips */
.ask-example-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.example-chips-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-right: var(--spacing-xs);
}

.example-chip {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    font-family: 'Poppins', sans-serif;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--color-primary);
    background: white;
    border: 1px solid rgba(80, 108, 68, 0.3);
    border-radius: 2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1.4;
}

.example-chip:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.example-chip:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 2px;
}


/* =============================================================================
   Browse Section (Secondary - Below the fold)
   ============================================================================= */
.browse-section {
    padding: var(--spacing-md) 0 var(--spacing-lg) 0;
    background-color: white;
}

/* Divider with text */
.browse-divider {
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.browse-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-text-muted);
    opacity: 0.3;
}

.browse-divider-text {
    position: relative;
    background-color: white;
    padding: 0 var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Two Column Grid */
.browse-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.browse-column {
    text-align: center;
    padding: var(--spacing-md);
}

/* Clickable browse columns */
a.browse-column.browse-link {
    display: block;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

a.browse-column.browse-link:hover {
    background-color: rgba(80, 108, 68, 0.05);
    border-color: var(--color-primary);
}

a.browse-column.browse-link:hover .browse-title {
    color: var(--color-primary);
}

.browse-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin: 0 0 var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.browse-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* Outline button variant (kept for other uses) */
.btn-outline-dark {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-secondary);
    color: var(--color-secondary);
    background: transparent;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-outline-dark:hover {
    background-color: var(--color-secondary);
    color: white;
    text-decoration: none;
}

/* =============================================================================
   Legacy Hero Section (kept for other pages if needed)
   ============================================================================= */
.hero-section {
    padding: var(--section-padding) 0;
    background-color: var(--color-background); /* Cream: #f7f7ed */
}

.hero-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

/* Ask Box Wrapper - takes more space */
.ask-box-wrapper {
    flex: 2;
}

.ask-form {
    width: 100%;
}

/* Ask box container - flexbox for textarea + button side by side */
.ask-input-wrapper {
    display: flex;
    align-items: center;  /* Vertically center the button */
    gap: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) var(--spacing-md);
}

.ask-input {
    flex: 1;
    border: none;
    padding: var(--spacing-md);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 300;
    background: transparent;
    outline: none;
    resize: none;
    min-height: 80px;
    line-height: 1.5;
}

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

/* Search Button - inside the box, centered vertically on the right */
.ask-button {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    padding: var(--spacing-sm);
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.ask-button:hover {
    background-color: var(--color-secondary);
}

/* Hero Blurb - to the right, vertically centered */
.hero-blurb {
    flex: 1;
    display: flex;
    align-items: center;
}

.hero-blurb p {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin: 0;
    line-height: 1.6;
}

/* =============================================================================
   Content Section (Learn / New - White background, no bottom padding)
   ============================================================================= */
.content-section {
    padding: 0;
    margin-bottom: 0;
    background-color: white;
    border-radius: var(--border-radius-md);
}

.content-section .container {
    padding-bottom: 0;
    margin-bottom: 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.content-column {
    display: flex;
    flex-direction: column;
    padding: 10px var(--spacing-lg) 10px var(--spacing-lg);
    background-color: white;
}

/* Divider between Learn and New columns */
.content-column:first-child {
    position: relative;
}

.content-column:first-child::after {
    content: '';
    position: absolute;
    top: 5px;
    bottom: 5px;
    right: 0;
    width: 1px;
    background-color: var(--color-accent-2); /* Amber/Gold: #c9863a */
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent-1); /* Terracotta/Rust: #975436 */
}

.section-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

/* Placeholder Content (Lorem ipsum) */
.placeholder-content {
    flex: 1;
}

.placeholder-content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
    line-height: 1.6;
    font-size: 0.9rem;
}

.placeholder-content p:last-child {
    margin-bottom: 0;
}

/* =============================================================================
   Learn Navigation List (Blueprint v2 top-level sections)
   ============================================================================= */
.learn-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.learn-nav-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.learn-nav-list li:last-child {
    border-bottom: none;
}

.learn-nav-list a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

.learn-nav-list a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.learn-nav-desc {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 300;
    margin: var(--spacing-xs) 0 0 0;
    line-height: 1.5;
}

/* Learn Navigation Grid (for Learn index page) */
.learn-nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.learn-category-card {
    background: rgba(80, 108, 68, 0.06);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast);
}

.learn-category-card:hover {
    box-shadow: var(--shadow-md);
}

.learn-categories {
    margin-bottom: var(--spacing-xl);
}

/* Featured content grid (3 columns on desktop) */
.content-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.featured-section {
    margin-top: var(--spacing-xl);
}

.browse-link {
    margin-top: var(--spacing-lg);
    text-align: center;
}

/* New Content List (highest-scoring recent content) */
.new-content-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.new-content-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.new-content-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

.new-content-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.new-content-meta {
    display: inline-block;
    margin-left: var(--spacing-sm);
}

.new-content-summary {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 300;
    margin: var(--spacing-xs) 0 0 0;
    line-height: 1.5;
}

.empty-state {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* New Content Subsections */
.new-subsection {
    margin-bottom: var(--spacing-sm);
}

.new-subsection-first {
    margin-top: var(--spacing-md);
}

.new-subsection-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin: 0 0 var(--spacing-sm) 0;
}

.new-section-divider {
    border: none;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    margin: var(--spacing-sm) 0;
}

.external-link-icon {
    font-size: 0.75rem;
    margin-left: 0.25rem;
    opacity: 0.6;
}

/* Video Thumbnails */
.new-content-item.has-thumbnail {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.thumbnail-link {
    flex-shrink: 0;
}

.video-thumbnail {
    width: 120px;
    height: 68px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

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

/* Best of Week Link */
.best-of-week-link {
    margin-top: var(--spacing-md);
    text-align: center;
}

.best-of-week-link .btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
}

.best-of-week-link .btn:hover {
    background-color: var(--color-secondary);
    color: white;
    text-decoration: none;
}

/* =============================================================================
   Best of Week Full Page
   ============================================================================= */

.page-header {
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin: 0 0 var(--spacing-sm) 0;
}

.page-description {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin: 0;
}

.best-section {
    margin-bottom: var(--spacing-xl);
}

.best-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin: 0 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.best-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.best-card {
    background: rgba(80, 108, 68, 0.06);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.best-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.best-card.has-thumbnail {
    display: flex;
    flex-direction: column;
}

.card-thumbnail-link {
    display: block;
}

.card-thumbnail {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.card-title:hover {
    color: var(--color-primary);
}

.card-source {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin: 0.25rem 0 0.5rem 0;
    font-weight: 300;
}

.card-summary {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Content List (when data is present) */
.content-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg) 0;
    flex: 1;
}

.content-item {
    border-bottom: 1px solid var(--color-border, #e0e0e0);
}

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

.content-link {
    display: block;
    padding: var(--spacing-md) 0;
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-fast);
}

.content-link:hover {
    background-color: rgba(80, 108, 68, 0.05);
    text-decoration: none;
}

.content-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.content-summary {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.content-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

/* Source Badges */
.source-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.625rem;
    letter-spacing: 0.5px;
}

.source-transcript {
    background-color: rgba(107, 175, 178, 0.15);
    color: var(--color-accent-3);
}

.source-web {
    background-color: rgba(201, 134, 58, 0.15);
    color: var(--color-accent-2);
}

.source-abstract {
    background-color: rgba(151, 84, 54, 0.15);
    color: var(--color-accent-1);
}

.score,
.date {
    color: var(--color-text-muted);
}

/* Footer styles moved to footer.css */

/* =============================================================================
   Alerts
   ============================================================================= */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    margin: var(--spacing-md) 0;
    font-size: 0.875rem;
}

.alert-error {
    background-color: rgba(151, 84, 54, 0.1);
    border-left: 4px solid var(--color-accent-1);
    color: var(--color-accent-1);
}

.alert-success {
    background-color: rgba(80, 108, 68, 0.1);
    border-left: 4px solid var(--color-primary);
    color: var(--color-primary);
}

.alert-info {
    background-color: rgba(107, 175, 178, 0.1);
    border-left: 4px solid var(--color-accent-3);
    color: var(--color-accent-3);
}

/* =============================================================================
   Responsive (Mobile/Tablet: max-width 1024px)
   ============================================================================= */
@media (max-width: 1024px) {
    /* Body padding for bottom tabs */
    body {
        padding-bottom: var(--bottom-nav-height);
    }

    /* Show bottom tabs on mobile (header nav hidden via header.css) */
    .bottom-tabs {
        display: block;
    }

    .bottom-tabs-list {
        display: flex;
    }

    /* Typography scaling */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .page-title { font-size: 1.5rem; }
    .section-title { font-size: 1.25rem; }

    /* Ask Hero Section - Mobile */
    .ask-hero {
        padding: 1.5rem 0 1rem 0;
    }

    .ask-headline {
        font-size: 1.2rem;
        padding: 0 var(--spacing-sm);
    }

    .ask-corpus-stats {
        font-size: 0.82rem;
        padding: 0 var(--spacing-sm);
        margin-bottom: 1.25rem;
    }

    .ask-hero-input-wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .ask-hero-input {
        min-height: 48px;
    }

    .ask-hero-button {
        align-self: flex-end;
    }

    .ask-example-chips {
        padding: 0 var(--spacing-sm);
    }

    .example-chip {
        font-size: 0.78rem;
        padding: 0.35rem 0.7rem;
    }

    .mission-content {
        padding: 0 var(--spacing-sm);
    }

    /* Browse Section - Mobile */
    .browse-section {
        padding: var(--spacing-md) 0 var(--spacing-lg) 0;
    }

    .browse-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .browse-column {
        padding: var(--spacing-sm);
    }

    .browse-title {
        font-size: 1.1rem;
    }

    /* Legacy Hero section */
    .hero-section {
        padding: var(--section-padding-mobile) 0;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-blurb {
        justify-content: center;
    }

    /* Ask input - stack vertically */
    .ask-input-wrapper {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
    }

    .ask-input {
        min-height: 100px;
    }

    .ask-button {
        align-self: flex-end;
    }

    /* Content grid - single column */
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    /* Remove divider between columns when stacked */
    .content-column:first-child::after {
        display: none;
    }

    /* Learn nav - full width cards */
    .learn-nav-list li {
        padding: var(--spacing-md) 0;
    }

    .learn-nav-list a {
        display: block;
        padding: var(--spacing-sm) 0;
        min-height: var(--touch-target-min);
    }

    /* New content items - touch friendly */
    .new-content-item {
        padding: var(--spacing-md) 0;
    }

    /* Video thumbnails - responsive */
    .video-thumbnail {
        width: 100px;
        height: 56px;
    }

    /* Footer - single column, all centered on mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-column:nth-child(1),
    .footer-column:nth-child(2),
    .footer-column:nth-child(3) {
        text-align: center;
    }

    /* Best of Week cards - single column */
    .best-grid {
        grid-template-columns: 1fr;
    }

    .best-card {
        max-width: 100%;
    }

    .card-thumbnail {
        height: 200px;
    }

    /* Content lists - touch friendly */
    .content-item {
        min-height: var(--touch-target-min);
    }

    .content-link {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    /* Learn page grids - single column */
    .learn-nav-grid {
        grid-template-columns: 1fr;
    }

    .content-grid-3 {
        grid-template-columns: 1fr;
    }

    .learn-category-card {
        padding: var(--spacing-md);
    }

    /* Page header adjustments */
    .page-header {
        margin-bottom: var(--spacing-lg);
    }

    .page-description {
        font-size: 1rem;
    }
}

/* =============================================================================
   Results Page - Ask Form Section
   ============================================================================= */
.results-ask-section {
    background-color: var(--color-background);
    padding: var(--spacing-lg) 0;
}

/* Inline ask form (below AI response) */
.results-ask-inline {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.results-ask-form {
    max-width: 700px;
}

.results-ask-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) var(--spacing-md);
}

.results-ask-input {
    flex: 1;
    border: none;
    padding: var(--spacing-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 300;
    background: transparent;
    outline: none;
    resize: none;
    line-height: 1.5;
}

/* =============================================================================
   Results Page - AI Response Section
   ============================================================================= */
.ai-response-section {
    background-color: white;
    padding: var(--spacing-xl) 0;
}

.ai-response {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-dark);
}

.ai-response p {
    margin-bottom: var(--spacing-lg);
}

.ai-response p:last-child {
    margin-bottom: 0;
}

.ai-response ul {
    margin: 0 0 var(--spacing-lg) 0;
    padding-left: 1.5em;
}

.ai-response ul li {
    margin-bottom: 0.6em;
    line-height: 1.6;
}

.ai-response ul li:last-child {
    margin-bottom: 0;
}

/* Inline Learn page links — subtle, don't compete with synthesis text */
.ai-response a.learn-link {
    color: var(--color-secondary);
    font-size: inherit;
    text-decoration: underline;
    text-decoration-color: var(--color-primary);
    text-underline-offset: 2px;
    text-decoration-thickness: 1.5px;
    transition: text-decoration-color 0.2s ease;
}

.ai-response a.learn-link:hover,
.ai-response a.learn-link:focus-visible {
    text-decoration-color: var(--color-accent-2);
}

.ai-response a.learn-link:focus-visible {
    outline: 2px solid var(--color-accent-3);
    outline-offset: 2px;
    border-radius: 2px;
}

/* =============================================================================
   Results Page - Single-Column Conversational Layout
   ============================================================================= */
.results-main-section {
    background-color: #ffffff;
    padding: var(--spacing-xl) 0;
}

/* Single-column conversational container */
.results-conversation {
    max-width: 800px;
    margin: 0 auto;
}

/* Answer card — full width within conversation */
.results-answer {
    background: rgba(80, 108, 68, 0.06);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    box-shadow: 0 1px 4px rgba(31, 67, 50, 0.08), 0 4px 12px rgba(31, 67, 50, 0.04);
}

.results-answer .ai-response {
    max-width: none;
    padding: 0;
}

/* Follow-up Suggestions (Phase 1: Stateful Prompts — currently disabled) */
.followup-suggestions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.followup-heading {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-secondary);
    margin: 0 0 0.75rem 0;
}

.followup-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.followup-list li {
    margin: 0;
}

.followup-form {
    display: inline;
    margin: 0;
    padding: 0;
}

.followup-chip {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-background);
    border: 1px solid var(--color-primary);
    border-radius: 2rem;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.followup-chip:hover,
.followup-chip:focus {
    background: var(--color-primary);
    color: white;
    text-decoration: none;
}

/* Follow-up card — prominent, between answer and links */
.results-followup {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(80, 108, 68, 0.06);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.followup-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-secondary);
    margin: 0 0 var(--spacing-sm) 0;
}

.results-followup .results-ask-form {
    max-width: none;
}

.results-followup .results-ask-wrapper {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Context Breadcrumb Trail (Phase 2) */
.context-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-muted, #666);
}

.breadcrumb-item {
    text-decoration: none;
    color: var(--color-text-muted, #666);
}

.breadcrumb-item.oldest {
    opacity: 0.6;
}

.breadcrumb-item.previous {
    opacity: 0.8;
}

.breadcrumb-item.current {
    color: var(--color-secondary);
    font-weight: 500;
}

.breadcrumb-item:hover:not(.current),
.breadcrumb-item:focus:not(.current) {
    color: var(--color-primary);
    text-decoration: underline;
}

.breadcrumb-sep {
    color: var(--color-text-muted, #666);
    opacity: 0.5;
}

.clear-context {
    margin-left: auto;
    color: var(--color-accent-1);
    font-size: 0.8rem;
    text-decoration: none;
}

.clear-context:hover,
.clear-context:focus {
    text-decoration: underline;
}

/* Citation Balance framing note */
.citation-balance-note {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: 3px solid var(--color-primary, #506c44);
}

.citation-balance-note .framing-note {
    font-style: italic;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-secondary, #1f4332);
    margin: 0;
}

.citation-balance-note .dissent-note {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--color-secondary, #1f4332);
    opacity: 0.8;
    margin: var(--spacing-xs) 0 0 0;
}

/* Unified links section */
.results-links-section {
    margin-top: var(--spacing-xl);
}

.links-group {
    margin-bottom: var(--spacing-xl);
}

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

.links-group-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Responsive: Mobile/tablet adjustments */
@media (max-width: 1024px) {
    .results-conversation {
        max-width: 100%;
    }

    .results-answer {
        padding: var(--spacing-lg);
    }

    .results-followup {
        padding: var(--spacing-md);
    }

    .results-links-section .plants-grid,
    .results-links-section .animals-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================================================
   Results Page - Content Blocks Section
   ============================================================================= */
.content-blocks-section {
    background-color: var(--color-background);
    padding: var(--spacing-xl) 0;
}

.content-block {
    background: rgba(80, 108, 68, 0.06);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.content-block:last-child {
    margin-bottom: 0;
}

.block-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.block-icon {
    flex-shrink: 0;
    vertical-align: middle;
}

/* Phase 2.4: Learn block favicon icon */
.block-icon-img {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    vertical-align: middle;
}

.block-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.block-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border, #e0e0e0);
}

.block-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.block-item:first-child {
    padding-top: 0;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

.item-link {
    text-decoration: none;
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.item-link:hover {
    text-decoration: underline;
}

.item-source {
    font-weight: 500;
    color: var(--color-secondary);
}

.item-source::after {
    content: ' - ';
    color: var(--color-text-muted);
}

/* Remove separator for blocks without titles */
.block-curated .item-source::after,
.block-community .item-source::after {
    content: '';
}

/* Learn item styling - matches video/podcast subtle link style (Phase 2.6)
   Consistent visual weight across all content blocks */
.learn-link {
    color: var(--color-secondary);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.4;
}

.learn-link .item-source {
    color: var(--color-secondary);
    font-weight: 300;
}

.learn-link:hover,
.learn-link:hover .item-source {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Source line below summary - matches learn page enrichment format */
.item-source-line {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.25rem;
}

.item-source-line .learn-link {
    font-weight: 400;
}

.item-title {
    color: var(--color-primary);
}

.item-timestamp {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-left: var(--spacing-xs);
}

.item-timestamp-context {
    font-size: 0.8rem;
    color: var(--color-accent-3);
    margin: var(--spacing-xs) 0;
    font-style: italic;
}

/* Timestamp badge - highlights the relevant video segment */
.item-timestamp-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent-2); /* Amber #c9863a - higher emphasis */
    margin: var(--spacing-xs) 0;
}

.timestamp-icon {
    font-size: 0.75em;
}

.item-summary {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: var(--spacing-xs) 0 0 0;
    line-height: 1.5;
}

.block-more {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

.block-more-toggle {
    background: none;
    border: none;
    font-size: 0.85rem;
    color: var(--color-primary);
    font-style: italic;
    margin-top: var(--spacing-md);
    margin-bottom: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    transition: color 0.2s ease;
    font-family: inherit;
    text-align: left;
    width: 100%;
}

.block-more-toggle:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

.block-more-toggle:focus-visible {
    outline: 2px solid var(--color-accent-3);
    outline-offset: 2px;
    border-radius: 2px;
}

.block-items-hidden {
    margin-top: 0;
    padding-top: 0;
}

.block-items-hidden.hidden {
    display: none;
}

/* Phase 3D: Smart Grouping for Learn Results */
.learn-section {
    margin-bottom: var(--spacing-md);
}

.learn-section-header {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin: 1.5rem 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.learn-alternatives-header {
    color: var(--color-accent-1);
    border-bottom-color: var(--color-accent-1);
    opacity: 0.9;
}

.learn-primary-section .block-items,
.learn-alternatives-section .block-items {
    margin-top: 0.5rem;
}

/* =============================================================================
   Results Page - Block Type Variants
   ============================================================================= */

/* Research Block */
.block-research .research-item {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
}

/* Removed: content-icon class no longer used - icons moved to block titles only */

.block-research .research-title {
    font-style: italic;
    flex: 1;
}

/* Economics Block */
.block-economics .economics-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.block-economics .economics-row {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.block-economics .economics-label {
    font-weight: 500;
    color: var(--color-secondary);
    min-width: 60px;
}

.block-economics .economics-values {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.block-economics .economics-tag {
    display: inline-block;
    padding: 2px 10px;
    background-color: rgba(201, 134, 58, 0.15);
    color: var(--color-accent-2);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
}

.block-economics .economics-source-count {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Plants & Animals Grid */
.plants-grid,
.animals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.plant-item,
.animal-item {
    padding: var(--spacing-md);
    background-color: rgba(80, 108, 68, 0.05);
    border-radius: var(--border-radius-sm);
    border: none;
}

.plant-name,
.animal-name {
    margin-bottom: var(--spacing-xs);
}

.plant-name strong,
.animal-name strong {
    color: var(--color-secondary);
}

.common-names {
    font-weight: 300;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.plant-tagline,
.animal-tagline {
    font-size: 0.9rem;
    color: var(--color-text-dark);
    margin: var(--spacing-xs) 0;
    line-height: 1.5;
}

.plant-link,
.animal-link {
    font-size: 0.85rem;
    color: var(--color-primary);
}

/* Controversy Block */
.block-controversy {
    background-color: rgba(151, 84, 54, 0.05);
    border-left: 4px solid var(--color-accent-1);
}

.block-controversy .controversy-topic {
    color: var(--color-accent-1);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.block-controversy .controversy-blurb {
    margin-bottom: var(--spacing-md);
}

.block-controversy .controversy-blurb p {
    margin: 0;
    line-height: 1.6;
}

.block-controversy .controversy-details {
    margin-top: var(--spacing-md);
}

.block-controversy .controversy-details summary {
    cursor: pointer;
    color: var(--color-primary);
    font-weight: 500;
}

.block-controversy .controversy-context {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.block-controversy .controversy-context p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.block-controversy .controversy-sources {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

/* =============================================================================
   Results Page - Error & Empty States
   ============================================================================= */
.results-error-section,
.results-empty-section {
    padding: var(--spacing-xxl, 4rem) 0;
    background-color: white;
}

.error-box,
.empty-results {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
}

.error-box {
    background-color: rgba(151, 84, 54, 0.08);
}

.error-box h2 {
    color: var(--color-accent-1);
    margin-bottom: var(--spacing-md);
}

.error-off-topic {
    background-color: rgba(107, 175, 178, 0.1);
}

.error-off-topic h2 {
    color: var(--color-accent-3);
}

.empty-results {
    background-color: rgba(80, 108, 68, 0.05);
}

.empty-results h2 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.error-suggestion {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
}

/* =============================================================================
   Results Page - Metadata Footer
   ============================================================================= */
.results-meta-section {
    padding: var(--spacing-md) 0;
    background-color: var(--color-background);
}

.results-meta {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* =============================================================================
   Results Page - Responsive
   ============================================================================= */
@media (max-width: 1024px) {
    .ai-response {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }

    .plants-grid,
    .animals-grid {
        grid-template-columns: 1fr;
    }

    .results-ask-wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .results-ask-wrapper .ask-button {
        align-self: flex-end;
    }

    .block-economics .economics-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    /* Content blocks - touch friendly */
    .block-item {
        padding: var(--spacing-md) 0;
        min-height: var(--touch-target-min);
    }

    .plant-item,
    .animal-item {
        padding: var(--spacing-md);
    }
}

/* =============================================================================
   Results Page - SSE Streaming (Phase 2)
   Loading indicator, streamed paragraph fade-in, blocks reveal.
   ============================================================================= */

/* Loading indicator — centered status text with animated dots */
#stream-loading {
    text-align: center;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#stream-loading .ai-response {
    display: flex;
    align-items: center;
    justify-content: center;
}

#stream-loading .ai-response p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin: 0;
}

/* Animated dots after loading text (3-step width reveal) */
#stream-loading .ai-response p::after {
    content: '...';
    display: inline-block;
    width: 0;
    overflow: hidden;
    vertical-align: bottom;
    animation: stream-dots 1.5s steps(3, end) infinite;
}

@keyframes stream-dots {
    to { width: 1.2em; }
}

/* Streamed paragraphs fade in as they arrive */
@keyframes stream-fade-in {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#ai-response-stream .ai-response > * {
    animation: stream-fade-in 0.3s ease-out both;
}

/* Blocks container fades in when populated */
#blocks-stream > * {
    animation: stream-fade-in 0.4s ease-out both;
}

/* Metadata footer fades in on completion */
#stream-meta {
    animation: stream-fade-in 0.3s ease-out both;
}

/* =============================================================================
   Legal/Static Pages
   ============================================================================= */
.page-section {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-top: var(--spacing-sm);
}

.legal-body {
    margin-top: var(--spacing-xl);
}

.legal-section {
    margin-bottom: var(--spacing-xl);
}

.legal-section h2 {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.legal-section p {
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
}

.legal-section ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.legal-section li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.legal-section a {
    color: var(--color-primary);
}

.legal-section a:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Abstract sources list (Academic Research section) */
.source-details-body {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

.abstract-sources {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0;
}

.abstract-sources li {
    padding: var(--spacing-xs) 0;
    line-height: 1.6;
}

/* DOI Lookup form */
.doi-lookup-form {
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.doi-input-row {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
}

.doi-input-row input[type="text"] {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
}

.doi-input-row input[type="text"]:focus {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 1px;
    border-color: var(--color-primary);
}

.doi-input-row button {
    padding: 0.5rem 1.25rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
}

.doi-input-row button:hover {
    background-color: var(--color-secondary);
}

.doi-input-row button:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 2px;
}

.doi-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.doi-hint code {
    font-size: 0.78rem;
    background-color: rgba(0, 0, 0, 0.04);
    padding: 1px 4px;
    border-radius: 3px;
}

.doi-result {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

.doi-found {
    background-color: rgba(80, 108, 68, 0.08);
    border-left: 3px solid var(--color-primary);
}

.doi-not-found {
    background-color: rgba(151, 84, 54, 0.06);
    border-left: 3px solid var(--color-accent-1);
}

.doi-result p {
    margin: 0;
}

.doi-result code {
    font-size: 0.85rem;
    background-color: rgba(0, 0, 0, 0.04);
    padding: 1px 4px;
    border-radius: 3px;
}

.doi-matches {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs) 0 0;
}

.doi-matches li {
    padding: 4px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    line-height: 1.5;
}

.doi-matches li:last-child {
    border-bottom: none;
}

.doi-ref {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

@media (max-width: 1024px) {
    .doi-input-row {
        max-width: 100%;
    }
}

/* Source Details (expandable sections on Sources page) */
.source-details {
    margin-top: var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
}

.source-details summary {
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    color: var(--color-primary);
    list-style: revert;
}

.source-details summary:hover {
    color: var(--color-secondary);
}

.source-details[open] summary {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Multi-column channel list */
.channel-list {
    list-style: disc;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-xl);
    margin: 0;
    columns: 3;
    column-gap: var(--spacing-xl);
}

.channel-list li {
    font-size: 0.875rem;
    line-height: 1.5;
    break-inside: avoid;
    color: var(--color-text-dark);
    margin-bottom: 2px;
    padding-left: 2px;
}

/* One-off video list */
.oneoff-list {
    list-style: none;
    padding: var(--spacing-md);
    margin: 0;
}

.oneoff-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    line-height: 1.6;
}

.oneoff-list li:last-child {
    border-bottom: none;
}

a.oneoff-title {
    font-size: 0.9rem;
}

.oneoff-channel {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Domain table */
.domain-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.domain-table thead {
    background-color: var(--color-secondary);
    color: white;
}

.domain-table th {
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-weight: 500;
    font-size: 0.85rem;
}

.domain-table td {
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    vertical-align: middle;
}

.domain-table tbody tr:hover {
    background-color: rgba(80, 108, 68, 0.04);
}

.domain-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.domain-authoritative {
    background-color: rgba(107, 175, 178, 0.15);
    color: var(--color-accent-3);
}

.domain-community {
    background-color: rgba(201, 134, 58, 0.15);
    color: var(--color-accent-2);
}

@media (max-width: 1024px) {
    .channel-list {
        columns: 1;
    }

    .domain-table {
        font-size: 0.8rem;
    }

    .domain-table th,
    .domain-table td {
        padding: 0.35rem 0.5rem;
    }
}

@media (max-width: 1024px) {
    .legal-content {
        padding: 0 var(--spacing-md);
    }

    .page-title {
        font-size: 1.5rem;
    }
}

/* =============================================================================
   Open Source / Attribution Tables
   ============================================================================= */
.oss-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0 var(--spacing-lg);
    font-size: 0.9rem;
}

.oss-table thead {
    background-color: var(--color-secondary);
    color: white;
}

.oss-table th {
    padding: 0.6rem 0.8rem;
    text-align: left;
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

.oss-table td {
    padding: 0.5rem 0.8rem;
    border-bottom: 1px solid #e0e0d8;
    vertical-align: top;
    line-height: 1.5;
}

.oss-table tbody tr:hover {
    background-color: rgba(80, 108, 68, 0.04);
}

.legal-section h3 {
    font-size: 1.05rem;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    font-weight: 700;
}

@media (max-width: 1024px) {
    .oss-table {
        font-size: 0.8rem;
    }

    .oss-table th,
    .oss-table td {
        padding: 0.4rem 0.5rem;
    }
}

/* =============================================================================
   Highlight Page - Section Background Colors
   Each section gets a muted version (20% opacity) of a sanctioned brand color.
   Cards within sections have white backgrounds for contrast.
   ============================================================================= */
.highlight-content {
    padding: var(--spacing-xl) 0;
}

.highlight-content .page-header {
    padding-bottom: var(--spacing-lg);
}

.highlight-content .best-section {
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.highlight-content .best-section:last-child {
    margin-bottom: 0;
}

.highlight-content .best-section-title {
    margin-top: 0;
}

.highlight-content .best-grid {
    margin-top: var(--spacing-md);
}

/* Section-specific background colors (10% opacity of brand colors) */
.highlight-content .section-transcripts {
    background-color: rgba(107, 175, 178, 0.1);  /* Teal #6bafb2 at 10% */
}

.highlight-content .section-web-curated {
    background-color: rgba(80, 108, 68, 0.1);    /* Primary Green #506c44 at 10% */
}

.highlight-content .section-web-community {
    background-color: rgba(201, 134, 58, 0.1);   /* Amber #c9863a at 10% */
}

.highlight-content .section-abstracts {
    background-color: rgba(151, 84, 54, 0.1);    /* Terracotta #975436 at 10% */
}

/* Cards have white backgrounds for contrast */
.highlight-content .best-card {
    background-color: white;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.highlight-content .best-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

/* =============================================================================
   Ask Results — Enrichment Card Layout (matches Learn page "Sources behind this view")
   ============================================================================= */

/* Two-column card grid for non-video external sources */
.ask-enrichment-cards {
    columns: 2;
    column-gap: 1rem;
    margin-top: 1rem;
}

/* Individual card */
.ask-enrichment-card {
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 1rem;
    break-inside: avoid;
    margin-bottom: 1rem;
}

/* Card header with icon + label */
.ask-enrichment-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e8e8e8;
}

.ask-enrichment-card-header img {
    flex-shrink: 0;
}

.ask-enrichment-card-header span {
    font-weight: 500;
    color: var(--color-secondary);
}

/* Item list inside cards */
.ask-enrichment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ask-enrichment-list li {
    margin-bottom: 0.75rem;
}

.ask-enrichment-list li:last-child {
    margin-bottom: 0;
}

.ask-enrichment-list a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    line-height: 1.4;
}

.ask-enrichment-list a:hover {
    text-decoration: underline;
}

.ask-enrichment-list p {
    margin: 0.25rem 0 0 0;
    font-size: 0.875rem;
    color: #666;
    line-height: 1.5;
}

/* Footnote pill strip (Phase 4 — Change 3) */
.ask-footnote-strip {
    border-top: 1px solid #e5e5e0;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
}

.ask-footnote-label {
    display: block;
    font-size: 0.75rem;
    color: #888;
    font-weight: 500;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.ask-footnote-pills {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.ask-footnote-pill {
    display: inline-block;
    padding: 0.375rem 0.625rem;
    min-height: 2.75rem;
    line-height: 2rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-primary);
    background: #f0f0e8;
    border: 1px solid #ddd;
    border-radius: 1rem;
    text-decoration: none;
    white-space: nowrap;
}

.ask-footnote-pill:hover {
    background: #e5e5da;
    text-decoration: underline;
}

.ask-footnote-pill:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 2px;
}

@media (max-width: 1024px) {
    .ask-footnote-pill {
        min-height: 2.75rem;
        line-height: 2.25rem;
        padding: 0.25rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* Video card — full width above the grid */
.ask-enrichment-card-video {
    width: 100%;
    margin-bottom: 1rem;
}

.ask-enrichment-video-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ask-enrichment-video-item:last-child {
    margin-bottom: 0;
}

.ask-enrichment-video-content {
    flex: 1;
    min-width: 0;
}

.ask-enrichment-video-content p {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    color: var(--color-secondary);
    line-height: 1.6;
}

.ask-enrichment-video-links {
    font-size: 0.875rem;
    color: #666;
}

.ask-enrichment-video-links a {
    color: var(--color-primary);
    text-decoration: none;
}

.ask-enrichment-video-links a:hover {
    text-decoration: underline;
}

.ask-enrichment-video-thumb-link {
    flex-shrink: 0;
    line-height: 0;
}

.ask-enrichment-video-thumb {
    width: 120px;
    height: 90px;
    object-fit: cover;
    border-radius: 4px;
    transition: opacity 0.15s ease;
}

.ask-enrichment-video-thumb-link:hover .ask-enrichment-video-thumb {
    opacity: 0.85;
}

/* Source domain attribution */
.ask-enrichment-source {
    font-size: 0.75rem;
    color: #888;
    margin-left: 0.5rem;
}

/* Source Grouping — nested link lists within grouped cards (Phase 2 Change 1) */
.grouped-source {
    list-style: none;
}

.grouped-source-domain {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-secondary);
    margin-bottom: 0.375rem;
}

.grouped-links {
    list-style: none;
    padding: 0 0 0 0.75rem;
    margin: 0.375rem 0 0 0;
    border-left: 2px solid #e0e0d8;
}

.grouped-links li {
    margin-bottom: 0.375rem;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.grouped-links li:last-child {
    margin-bottom: 0;
}

.grouped-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 400;
    line-height: 1.4;
    padding: 0.25rem 0;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.grouped-link:hover {
    text-decoration: underline;
}

.grouped-link:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 2px;
    border-radius: 2px;
}

.grouped-excerpt {
    font-size: 0.8125rem;
    color: #666;
    line-height: 1.5;
    padding: 0.25rem 0;
}

.grouped-timestamp-sep {
    margin: 0 0.5rem;
    color: #999;
}

/* Mobile: single column cards, stacked videos */
@media (max-width: 1024px) {
    .ask-enrichment-cards {
        columns: 1;
    }

    .ask-enrichment-card {
        padding: 0.875rem;
    }

    .ask-enrichment-video-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .ask-enrichment-video-thumb {
        width: 100%;
        max-width: 200px;
        height: auto;
        aspect-ratio: 120 / 90;
    }
}

/* =============================================================================
   PDF Source Indicators (shared across Ask + Learn enrichment)
   ============================================================================= */

/* PDF badge — small inline label alerting user the link opens a PDF */
.pdf-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #975436;
    background: #f5ede8;
    border: 1px solid #d4b5a0;
    border-radius: 3px;
    padding: 0.05em 0.35em;
    vertical-align: middle;
    line-height: 1.4;
    margin-right: 0.15em;
}

/* Page range indicator — muted text showing which pages are relevant */
.page-range {
    font-size: 0.85em;
    color: #888;
    font-weight: 400;
}

/* =============================================================================
   Utilities
   ============================================================================= */
.text-muted {
    color: var(--color-text-muted);
}

.text-center {
    text-align: center;
}

/* =============================================================================
   REDUCED MOTION (WCAG 2.3.3 - Accessibility)
   Respects user preference for reduced motion. Disables all transitions
   and animations for users with vestibular disorders or motion sensitivity.
   ============================================================================= */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* =============================================================================
   404 Error Page
   ============================================================================= */
.error-page {
    padding: 4rem 0;
    text-align: center;
}

.error-page h1 {
    color: var(--color-secondary);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.error-page .error-message {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.error-page .error-actions {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.error-page .error-actions h2 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.error-page .error-links {
    list-style: none;
    padding: 0;
}

.error-page .error-links li {
    padding: 0.6rem 0;
    border-bottom: 1px solid #eee;
    font-size: 1rem;
}

.error-page .error-links li:last-child {
    border-bottom: none;
}

.error-page .error-links a {
    color: var(--color-primary);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .error-page h1 {
        font-size: 1.75rem;
    }
}

/* =============================================================================
   PARTNER TOOLS PAGE
   ============================================================================= */

/* --- Tabs --- */
.partner-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #e0e0d8;
    margin-bottom: 2rem;
}

.partner-tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    margin-bottom: -2px;
}

.partner-tab:hover {
    color: var(--color-primary);
}

.partner-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.partner-tab:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: -3px;
}

/* --- Panels --- */
.partner-panel {
    display: none;
}

.partner-panel.active {
    display: block;
}

.partner-tool-intro {
    margin-bottom: 1.5rem;
    color: #555;
    line-height: 1.6;
}

/* --- Forms --- */
.partner-form {
    margin-bottom: 2rem;
}

.partner-form textarea {
    width: 100%;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: vertical;
    background: #fff;
}

.partner-form textarea:focus {
    border-color: var(--color-primary);
    outline: 3px solid rgba(80, 108, 68, 0.2);
}

.form-hint {
    font-size: 0.8rem;
    color: #888;
    margin-top: 0.25rem;
}

.partner-submit {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 1rem;
}

.partner-submit:hover {
    background: var(--color-secondary);
}

.partner-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.partner-submit:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: 2px;
}

.partner-btn-secondary {
    padding: 0.5rem 1rem;
    background: #fff;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.partner-btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
}

.partner-btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* --- Radio Group --- */
.partner-radio-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.partner-radio {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.partner-radio input[type="radio"] {
    accent-color: var(--color-primary);
    width: 18px;
    height: 18px;
}

/* --- DOI Section --- */
.partner-doi-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e0e0d8;
}

.partner-doi-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.partner-doi-row input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.95rem;
}

.partner-doi-row input:focus {
    border-color: var(--color-primary);
    outline: 3px solid rgba(80, 108, 68, 0.2);
}

.partner-doi-result {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: #f7f7ed;
    border-radius: 4px;
    font-size: 0.9rem;
}

.doi-loading {
    color: #888;
    font-style: italic;
}

.doi-found {
    color: var(--color-secondary);
}

.doi-meta {
    color: #666;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.doi-warning {
    color: var(--color-accent-1);
}

.doi-not-found {
    color: #888;
}

/* --- Spinner --- */
.partner-spinner {
    text-align: center;
    padding: 2rem;
}

.spinner-animation {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    border: 4px solid #e0e0d8;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: partner-spin 0.8s linear infinite;
}

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

.spinner-detail {
    font-size: 0.85rem;
    color: #888;
}

/* --- Error --- */
.partner-error {
    padding: 1rem;
    background: #fde8e8;
    border: 1px solid #e8c4c4;
    border-radius: 4px;
    color: #c0392b;
    margin-top: 1rem;
}

/* --- Results --- */
.partner-results {
    margin-top: 2rem;
}

/* --- Classification Badge --- */
.partner-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.badge-on-topic {
    background: #d4edda;
    color: #155724;
}

.badge-off-topic {
    background: #f8d7da;
    color: #721c24;
}

.badge-error {
    background: #fff3cd;
    color: #856404;
}

.partner-confidence {
    font-size: 0.85rem;
    color: #666;
    margin-left: 0.5rem;
}

.partner-summary {
    margin-top: 0.5rem;
    color: #555;
    font-style: italic;
}

.partner-off-topic-msg {
    padding: 1rem;
    background: #f8d7da;
    border-radius: 4px;
    color: #721c24;
}

.partner-rationale {
    margin-top: 0.75rem;
    color: #555;
    font-size: 0.9rem;
}

/* --- Stats Grid --- */
.partner-stats-grid {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.partner-stat-card {
    flex: 1;
    min-width: 100px;
    text-align: center;
    padding: 0.75rem;
    background: #f7f7ed;
    border-radius: 4px;
}

.partner-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.partner-stat-label {
    display: block;
    font-size: 0.8rem;
    color: #666;
    margin-top: 0.15rem;
}

/* --- Diff View --- */
.partner-diff-view {
    margin-top: 1rem;
}

.diff-document {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    padding: 1.25rem;
    background: #fff;
    border: 1px solid #e0e0d8;
    border-radius: 4px;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.diff-delete {
    text-decoration: line-through;
    color: #c0392b;
    background: #fde8e8;
    padding: 0 2px;
    border-radius: 2px;
}

.diff-insert {
    color: #2471a3;
    background: #e8f4fd;
    font-weight: 500;
    padding: 0 2px;
    border-radius: 2px;
}

/* --- Copy Button --- */
.partner-copy-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.25rem;
    background: #fff;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.partner-copy-btn:hover {
    background: var(--color-primary);
    color: #fff;
}

/* --- Cluster Cards --- */
.partner-clusters {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.partner-cluster-card {
    padding: 1.25rem;
    background: #fff;
    border: 1px solid #e0e0d8;
    border-radius: 6px;
}

.partner-cluster-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.partner-cluster-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin: 0;
}

.partner-value-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: var(--color-accent-2);
    color: #fff;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.partner-knowledge-type {
    font-size: 0.75rem;
    color: #888;
    font-style: italic;
}

.partner-cluster-summary {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.5;
}

.partner-no-clusters {
    padding: 1rem;
    background: #f7f7ed;
    border-radius: 4px;
    color: #666;
    text-align: center;
}

/* --- Score Bars --- */
.partner-score-bars {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.partner-score-row {
    display: grid;
    grid-template-columns: 70px 1fr 40px 40px;
    align-items: center;
    gap: 0.5rem;
}

.partner-score-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: #555;
    text-transform: capitalize;
}

.partner-score-bar-track {
    height: 16px;
    background: #eee;
    border-radius: 8px;
    overflow: hidden;
}

.partner-score-bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 8px;
    transition: width 0.5s ease;
    min-width: 2px;
}

.partner-score-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-align: right;
}

.partner-score-pct {
    font-size: 0.75rem;
    color: #888;
    text-align: right;
}

/* --- Methodology --- */
.partner-methodology {
    margin-top: 2rem;
    border: 1px solid #e0e0d8;
    border-radius: 4px;
}

.partner-methodology summary {
    padding: 0.75rem 1rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--color-primary);
}

.partner-methodology summary:focus-visible {
    outline: 3px solid var(--color-accent-3);
    outline-offset: -3px;
}

.partner-methodology-content {
    padding: 0 1rem 1rem;
}

.partner-methodology-content dl {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 0.25rem 1rem;
    margin-top: 1rem;
}

.partner-methodology-content dt {
    font-size: 0.85rem;
    text-transform: capitalize;
}

.partner-methodology-content dd {
    font-size: 0.85rem;
    color: #555;
    margin: 0;
}

/* --- Turnstile --- */
.turnstile-group {
    margin-top: 0.5rem;
}

/* --- Mobile Responsive --- */
@media (max-width: 1024px) {
    .partner-tabs {
        gap: 0;
    }

    .partner-tab {
        flex: 1;
        text-align: center;
        padding: 0.6rem 0.75rem;
        font-size: 0.9rem;
    }

    .partner-radio-group {
        flex-direction: column;
        gap: 0.75rem;
    }

    .partner-doi-row {
        flex-direction: column;
    }

    .partner-doi-row input {
        width: 100%;
    }

    .partner-stats-grid {
        gap: 0.5rem;
    }

    .partner-stat-card {
        min-width: 80px;
    }

    .partner-score-row {
        grid-template-columns: 60px 1fr 35px 35px;
        gap: 0.3rem;
    }

    .partner-score-label {
        font-size: 0.75rem;
    }

    .partner-methodology-content dl {
        grid-template-columns: 1fr;
    }

    .partner-methodology-content dt {
        margin-top: 0.5rem;
    }

    .diff-document {
        font-size: 0.8rem;
        max-height: 400px;
    }
}