.topics-page {
--hero-bg-start: hsl(40deg 20% 96%);
--hero-bg-end: hsl(38deg 18% 92%);
--hero-text: hsl(25deg 25% 15%);
--hero-text-muted: hsl(30deg 12% 40%);
}
.dark-mode .topics-page {
--hero-bg-start: hsl(215deg 25% 12%);
--hero-bg-end: hsl(220deg 30% 8%);
--hero-text: hsl(40deg 15% 94%);
--hero-text-muted: hsl(200deg 12% 65%);
}
.page-header {
text-align: center;
margin-bottom: var(--space-xl);
}
.page-header h1 {
font-family: var(--font-display);
font-size: clamp(2rem, 5vw, 2.75rem);
font-weight: 700;
color: var(--color-text);
margin-bottom: var(--space-sm);
letter-spacing: -0.02em;
}
.page-header p {
font-family: var(--font-serif);
font-size: var(--font-size-lg);
color: var(--color-text-muted);
max-width: 50ch;
margin: 0 auto;
line-height: 1.6;
}
.featured-section {
margin-bottom: var(--space-xl);
}
.featured-card {
position: relative;
display: block;
background: linear-gradient(180deg, var(--hero-bg-start) 0%, var(--hero-bg-end) 100%);
border: 1px solid var(--color-border);
border-radius: var(--radius-xl);
padding: var(--space-xl);
text-decoration: none;
color: inherit;
box-shadow: var(--shadow-sm);
transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.featured-card:hover {
box-shadow: var(--shadow-md);
border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
}
.featured-eyebrow {
display: inline-flex;
align-items: baseline;
gap: 0.5em;
font-family: var(--font-serif);
font-size: var(--font-size-md);
font-style: italic;
color: var(--hero-text-muted);
margin-bottom: var(--space-md);
}
.featured-eyebrow-marker {
color: var(--color-primary);
}
.featured-eyebrow-sep {
opacity: 0.5;
}
.featured-card h2 {
font-family: var(--font-display);
font-size: clamp(1.6rem, 3.2vw, 2.15rem);
font-weight: 700;
color: var(--hero-text);
margin-bottom: var(--space-md);
line-height: 1.2;
letter-spacing: -0.015em;
max-width: 28ch;
}
.featured-card p {
font-family: var(--font-serif);
font-size: var(--font-size-lg);
color: var(--hero-text-muted);
line-height: 1.65;
margin-bottom: var(--space-lg);
max-width: 60ch;
}
.featured-cta {
display: inline-flex;
align-items: center;
gap: var(--space-sm);
font-family: var(--font-sans);
font-size: var(--font-size-md);
font-weight: 600;
color: var(--color-primary);
}
.featured-cta i {
transition: transform var(--transition-fast);
}
.featured-card:hover .featured-cta i {
transform: translateX(4px);
}
.content-section {
margin-bottom: var(--space-xl);
}
.section-header {
display: flex;
justify-content: space-between;
align-items: baseline;
margin-bottom: var(--space-lg);
padding-bottom: var(--space-sm);
border-bottom: 1px solid var(--color-border);
flex-wrap: wrap;
gap: var(--space-sm);
}
.section-header h2 {
font-family: var(--font-display);
font-size: var(--font-size-xl);
font-weight: 700;
color: var(--color-text);
}
.section-link {
appearance: none;
border: none;
background: none;
cursor: pointer;
font-family: var(--font-sans);
font-size: var(--font-size-sm);
font-weight: 600;
color: var(--color-primary);
text-decoration: none;
display: inline-flex;
align-items: center;
gap: var(--space-xs);
padding: 0;
}
.section-link:hover {
color: var(--color-primary-hover);
}
.section-link i {
font-size: 0.8em;
transition: transform var(--transition-base);
}
.section-link:disabled {
opacity: 0.5;
cursor: default;
}
.recently-featured-list {
list-style: none;
padding: 0;
margin: 0;
display: flex;
flex-direction: column;
}
.recently-featured-item {
display: flex;
align-items: baseline;
gap: var(--space-md);
padding: var(--space-sm) 0;
text-decoration: none;
color: inherit;
border-bottom: 1px solid var(--color-border);
transition: color var(--transition-fast);
}
.recently-featured-list li:last-child .recently-featured-item {
border-bottom: none;
}
.recently-featured-item:hover {
color: var(--color-primary);
}
.recently-featured-title {
font-family: var(--font-serif);
font-size: var(--font-size-base);
font-weight: 500;
color: var(--color-text);
flex: 1;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
transition: color var(--transition-fast);
}
.recently-featured-item:hover .recently-featured-title {
color: var(--color-primary);
}
.recently-featured-category {
font-family: var(--font-sans);
font-size: var(--font-size-xs);
color: var(--color-text-muted);
flex-shrink: 0;
font-style: italic;
}
.explorer-groups {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(--space-lg);
}
.explorer-groups[hidden] {
display: none;
}
.explorer-group {
background: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
padding: var(--space-lg);
}
.explorer-group-label {
font-family: var(--font-serif);
font-size: var(--font-size-md);
font-style: italic;
font-weight: 500;
color: var(--color-text-muted);
margin-bottom: var(--space-md);
}
.explorer-tags {
display: flex;
flex-wrap: wrap;
gap: 0;
}
.explorer-tag {
appearance: none;
border: none;
background: none;
cursor: pointer;
font-family: var(--font-sans);
font-size: var(--font-size-sm);
font-weight: 500;
color: var(--color-text);
padding: var(--space-xs) 0;
display: inline-flex;
align-items: baseline;
gap: 3px;
transition: color var(--transition-fast);
position: relative;
white-space: nowrap;
}
.explorer-tag::after {
content: '\00b7';
color: var(--color-text-muted);
opacity: 0.4;
margin: 0 6px;
font-weight: 700;
font-size: 1.1em;
pointer-events: none;
}
.explorer-tag:last-child::after {
content: none;
}
.explorer-tag-count {
font-size: var(--font-size-2xs);
font-weight: 600;
color: var(--color-text-muted);
opacity: 0.5;
font-variant-numeric: tabular-nums;
}
.explorer-tag:hover {
color: var(--color-primary);
}
.explorer-tag:hover .explorer-tag-count {
opacity: 0.8;
color: var(--color-primary);
}
.explorer-tag.is-active {
color: var(--color-primary);
font-weight: 700;
}
.explorer-tag.is-active .explorer-tag-count {
opacity: 1;
color: var(--color-primary);
}
.explorer-results {
margin-top: var(--space-lg);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
background: var(--color-surface-solid);
overflow: hidden;
animation: explorerReveal 0.2s ease-out;
}
@keyframes explorerReveal {
from { opacity: 0; }
to   { opacity: 1; }
}
.explorer-results-header {
display: flex;
align-items: center;
flex-wrap: wrap;
gap: var(--space-sm) var(--space-md);
padding: var(--space-md) var(--space-lg);
border-bottom: 1px solid var(--color-border);
background: color-mix(in srgb, var(--color-primary) 3%, var(--color-surface-solid));
}
.explorer-results-title {
font-family: var(--font-display);
font-size: var(--font-size-lg);
font-weight: 700;
color: var(--color-text);
display: flex;
align-items: baseline;
gap: var(--space-sm);
}
.explorer-results-count {
font-family: var(--font-sans);
font-size: var(--font-size-sm);
font-weight: 500;
color: var(--color-text-muted);
}
.explorer-results-back {
appearance: none;
cursor: pointer;
display: inline-flex;
align-items: center;
gap: var(--space-xs);
padding: var(--space-xs) var(--space-sm);
background: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-md);
color: var(--color-text);
font-family: var(--font-sans);
font-size: var(--font-size-sm);
font-weight: 600;
line-height: 1;
transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}
.explorer-results-back i {
font-size: var(--font-size-sm);
color: var(--color-text-muted);
transition: color var(--transition-fast);
}
.explorer-results-back:hover {
background: color-mix(in srgb, var(--color-primary) 6%, var(--color-surface-solid));
border-color: color-mix(in srgb, var(--color-primary) 30%, var(--color-border));
}
.explorer-results-back:hover i {
color: var(--color-primary);
}
.explorer-results-list {
display: flex;
flex-direction: column;
}
.explorer-article-card {
display: block;
padding: var(--space-md) var(--space-lg);
text-decoration: none;
color: inherit;
border-bottom: 1px solid var(--color-border);
transition: background var(--transition-fast);
}
.explorer-article-card:last-child {
border-bottom: none;
}
.explorer-article-card:hover {
background: color-mix(in srgb, var(--color-primary) 4%, transparent);
}
.explorer-article-category {
display: inline-block;
font-family: var(--font-sans);
font-size: var(--font-size-2xs);
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.04em;
color: var(--color-primary);
margin-bottom: 2px;
}
.explorer-article-title {
font-family: var(--font-display);
font-size: var(--font-size-base);
font-weight: 700;
color: var(--color-text);
line-height: 1.35;
margin-bottom: 4px;
transition: color var(--transition-fast);
}
.explorer-article-card:hover .explorer-article-title {
color: var(--color-primary);
}
.explorer-article-desc {
font-family: var(--font-serif);
font-size: var(--font-size-md);
color: var(--color-text-muted);
line-height: 1.55;
margin-bottom: var(--space-sm);
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}
.explorer-article-footer {
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-sm);
flex-wrap: wrap;
}
.explorer-article-tags {
display: flex;
flex-wrap: wrap;
gap: 4px;
}
.explorer-related-tag {
appearance: none;
border: 1px solid var(--color-border);
background: color-mix(in srgb, var(--color-primary) 4%, transparent);
cursor: pointer;
font-family: var(--font-sans);
font-size: var(--font-size-2xs);
font-weight: 500;
color: var(--color-text-muted);
padding: var(--space-2xs) var(--space-sm);
border-radius: var(--radius-full);
transition: all var(--transition-fast);
white-space: nowrap;
}
.explorer-related-tag:hover {
color: var(--color-primary);
border-color: var(--color-primary);
background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.explorer-article-cta {
font-family: var(--font-sans);
font-size: var(--font-size-sm);
font-weight: 600;
color: var(--color-primary);
display: inline-flex;
align-items: center;
gap: 4px;
margin-left: auto;
flex-shrink: 0;
}
.explorer-article-cta i {
font-size: 0.75em;
transition: transform var(--transition-fast);
}
.explorer-article-card:hover .explorer-article-cta i {
transform: translateX(3px);
}
.explorer-loading {
text-align: center;
padding: var(--space-xl);
color: var(--color-primary);
font-size: var(--font-size-2xl);
}
.explorer-empty {
text-align: center;
padding: var(--space-lg);
color: var(--color-text-muted);
font-family: var(--font-sans);
font-size: var(--font-size-md);
font-style: italic;
}
.explorer-load-more {
appearance: none;
border: none;
border-top: 1px solid var(--color-border);
background: color-mix(in srgb, var(--color-primary) 3%, var(--color-surface-solid));
cursor: pointer;
width: 100%;
padding: var(--space-md);
font-family: var(--font-sans);
font-size: var(--font-size-sm);
font-weight: 600;
color: var(--color-primary);
display: flex;
align-items: center;
justify-content: center;
gap: var(--space-sm);
transition: background var(--transition-fast);
}
.explorer-load-more:hover {
background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface-solid));
}
.explorer-load-more:disabled {
opacity: 0.6;
cursor: default;
}
.explorer-load-more i {
font-size: 0.8em;
}
.random-picks-list {
display: flex;
flex-direction: column;
gap: var(--space-md);
transition: opacity var(--transition-base);
}
.random-picks-list.is-loading {
opacity: 0.5;
pointer-events: none;
}
.random-pick-card {
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-lg);
background: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
padding: var(--space-lg) var(--space-xl);
text-decoration: none;
color: inherit;
transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.random-pick-card:hover {
border-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-border));
box-shadow: var(--shadow-md);
}
.random-pick-content {
min-width: 0;
max-width: 75ch;
}
.random-pick-arrow {
flex-shrink: 0;
color: var(--color-text-muted);
font-size: var(--font-size-base);
transition: transform var(--transition-fast), color var(--transition-fast);
}
.random-pick-card:hover .random-pick-arrow {
color: var(--color-primary);
transform: translateX(4px);
}
.random-pick-category {
display: inline-block;
font-family: var(--font-sans);
font-size: var(--font-size-xs);
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.05em;
color: var(--color-primary);
margin-bottom: var(--space-sm);
}
.random-pick-card h3 {
font-family: var(--font-display);
font-size: var(--font-size-xl);
font-weight: 700;
color: var(--color-text);
line-height: 1.3;
margin-bottom: var(--space-sm);
}
.random-pick-card:hover h3 {
color: var(--color-primary);
}
.random-pick-card p {
font-family: var(--font-serif);
font-size: var(--font-size-base);
color: var(--color-text-muted);
line-height: 1.6;
margin: 0;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}
.category-list-compact {
display: flex;
flex-direction: column;
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
background: var(--color-surface-solid);
overflow: hidden;
}
.category-compact-item {
display: flex;
align-items: baseline;
gap: var(--space-md);
padding: var(--space-sm) var(--space-lg);
text-decoration: none;
color: inherit;
transition: background var(--transition-fast);
}
.category-compact-item:not(:last-child) {
border-bottom: 1px solid var(--color-border);
}
.category-compact-item:hover {
background: color-mix(in srgb, var(--color-primary) 5%, transparent);
}
.category-compact-name {
font-family: var(--font-serif);
font-size: var(--font-size-base);
font-weight: 500;
color: var(--color-text);
flex: 1;
min-width: 0;
}
.category-compact-item:hover .category-compact-name {
color: var(--color-primary);
}
.category-compact-count {
font-family: var(--font-sans);
font-size: var(--font-size-xs);
font-weight: 500;
color: var(--color-text-muted);
flex-shrink: 0;
font-variant-numeric: tabular-nums;
}
.category-compact-arrow {
font-size: var(--font-size-3xs);
color: var(--color-text-muted);
flex-shrink: 0;
transition: transform var(--transition-fast);
}
.category-compact-item:hover .category-compact-arrow {
transform: translateX(3px);
color: var(--color-primary);
}
.error-message {
text-align: center;
padding: var(--space-xl);
background: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
font-style: italic;
color: var(--color-danger);
border-color: color-mix(in srgb, var(--color-danger) 30%, var(--color-border));
}
@media (width <= 768px) {
.explorer-groups {
grid-template-columns: 1fr;
}
.recently-featured-category {
display: none;
}
.section-header {
flex-direction: column;
align-items: flex-start;
}
}
@media (width <= 576px) {
.page-main {
padding: var(--space-md) var(--space-sm);
}
.featured-card {
padding: var(--space-lg);
margin-left: calc(-1 * var(--space-sm));
margin-right: calc(-1 * var(--space-sm));
border-radius: 0;
border-left: none;
border-right: none;
}
.featured-card h2 {
font-size: var(--font-size-2xl);
}
.explorer-group,
.explorer-results,
.category-list-compact,
.random-pick-card {
margin-left: calc(-1 * var(--space-sm));
margin-right: calc(-1 * var(--space-sm));
border-radius: 0;
border-left: none;
border-right: none;
}
.random-pick-card {
padding: var(--space-lg);
}
.random-picks-list {
gap: 0;
}
.random-pick-card + .random-pick-card {
border-top: none;
}
}
.explorer-load-more[hidden] {
display: none;
}