.category-page {
--hero-bg-start: hsl(40deg 20% 96%);
--hero-bg-end: hsl(38deg 18% 92%);
--hero-text: var(--color-text);
--hero-text-muted: hsl(30deg 12% 40%);
--hero-accent: var(--color-primary);
--module-accent-1: hsl(200deg 60% 50%);
--module-accent-2: hsl(160deg 50% 45%);
--module-accent-3: hsl(25deg 65% 50%);
--module-accent-4: hsl(260deg 55% 55%);
--module-accent-5: hsl(340deg 60% 50%);
}
.dark-mode .category-page {
--hero-bg-start: hsl(215deg 25% 12%);
--hero-bg-end: hsl(220deg 30% 8%);
--hero-text: var(--color-text);
--hero-text-muted: hsl(200deg 12% 65%);
--hero-accent: var(--color-accent);
--module-accent-1: hsl(200deg 55% 60%);
--module-accent-2: hsl(160deg 45% 55%);
--module-accent-3: hsl(25deg 60% 60%);
--module-accent-4: hsl(260deg 50% 65%);
--module-accent-5: hsl(340deg 55% 60%);
}
.category-hero {
background: linear-gradient(135deg, 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);
margin-bottom: var(--space-xl);
position: relative;
overflow: hidden;
box-shadow: var(--shadow-lg),
inset 0 1px 0 hsl(0deg 0% 100% / 5%);
}
.category-hero::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background:
radial-gradient(ellipse 600px 400px at 90% 20%, color-mix(in srgb, var(--color-primary) 8%, transparent), transparent),
radial-gradient(ellipse 400px 300px at 10% 80%, color-mix(in srgb, var(--hero-accent) 6%, transparent), transparent);
pointer-events: none;
}
.category-hero::after {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 1px;
background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--color-primary) 20%, transparent) 50%, transparent);
}
.category-hero-icon {
width: 64px;
height: 64px;
display: flex;
align-items: center;
justify-content: center;
background: color-mix(in srgb, var(--color-primary) 12%, transparent);
border-radius: var(--radius-lg);
margin: 0 auto var(--space-lg);
font-size: var(--font-size-3xl);
color: var(--color-primary);
border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}
.category-hero-content {
position: relative;
z-index: 1;
text-align: center;
max-width: 700px;
margin: 0 auto;
}
.category-hero h1 {
font-family: var(--font-display);
font-size: clamp(1.75rem, 4vw, 2.5rem);
font-weight: 800;
color: var(--hero-text);
margin-bottom: var(--space-md);
line-height: 1.2;
letter-spacing: -0.02em;
}
.category-hero-description {
font-family: var(--font-serif);
font-size: clamp(0.95rem, 1.5vw, 1.1rem);
color: var(--hero-text-muted);
line-height: 1.7;
margin-bottom: var(--space-lg);
}
.category-hero-stats {
display: flex;
justify-content: center;
align-items: center;
gap: var(--space-xl);
font-family: var(--font-sans);
font-size: var(--font-size-md);
color: var(--hero-text-muted);
}
.category-hero-stats span {
display: inline-flex;
align-items: center;
gap: var(--space-sm);
}
.category-hero-stats i {
color: var(--hero-accent);
opacity: 0.8;
}
.category-controls {
background: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
padding: var(--space-lg);
margin-bottom: var(--space-lg);
display: flex;
flex-direction: column;
gap: var(--space-md);
box-shadow: var(--shadow-sm);
}
.search-container {
position: relative;
}
.search-input {
width: 100%;
padding: var(--space-md) var(--space-md) var(--space-md) 3rem;
font-family: var(--font-sans);
font-size: var(--font-size-base);
border: 2px solid var(--color-border);
border-radius: var(--radius-full);
background-color: var(--color-surface);
color: var(--color-text);
transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.search-input:focus,
.search-input:focus-visible {
outline: none;
border-color: var(--color-primary);
box-shadow: var(--focus-ring);
}
.search-icon {
position: absolute;
left: var(--space-md);
top: 50%;
transform: translateY(-50%);
color: var(--color-text-muted);
pointer-events: none;
}
.sort-controls {
display: flex;
align-items: center;
gap: var(--space-md);
flex-wrap: wrap;
}
.sort-label {
font-family: var(--font-sans);
font-size: var(--font-size-md);
font-weight: 600;
color: var(--color-text-muted);
}
.sort-buttons {
display: flex;
gap: var(--space-xs);
flex-wrap: wrap;
}
.sort-btn {
padding: var(--space-sm) var(--space-md);
font-family: var(--font-sans);
font-size: var(--font-size-sm);
font-weight: 500;
background-color: var(--color-surface);
color: var(--color-text-muted);
border: 1px solid var(--color-border);
border-radius: var(--radius-full);
cursor: pointer;
transition: border-color var(--transition-base), color var(--transition-base), background-color var(--transition-base);
}
.sort-btn:hover {
border-color: var(--color-primary);
color: var(--color-primary);
}
.sort-btn.active {
background: linear-gradient(135deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 90%, black));
color: var(--color-primary-contrast);
border-color: var(--color-primary);
font-weight: 600;
}
.results-summary {
font-family: var(--font-sans);
font-size: var(--font-size-md);
color: var(--color-text-muted);
margin-bottom: var(--space-md);
padding: var(--space-sm) 0;
}
.results-summary strong {
color: var(--color-text);
font-weight: 600;
}
.learning-path-grid {
display: flex;
flex-direction: column;
gap: 0;
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
overflow: hidden;
}
.module-card {
position: relative;
background: var(--color-surface-solid);
border: none;
border-bottom: 1px solid var(--color-border);
border-radius: 0;
overflow: hidden;
transition: background-color var(--transition-fast);
}
.module-card:last-child {
border-bottom: none;
}
.module-card::before {
content: '';
position: absolute;
top: 0;
left: 0;
bottom: 0;
width: 3px;
background: var(--module-color, var(--color-primary));
opacity: 0.5;
transition: opacity var(--transition-fast);
}
.module-card[open]::before,
.module-card:hover::before {
opacity: 1;
}
.module-card:nth-child(5n+1) { --module-color: var(--module-accent-1); }
.module-card:nth-child(5n+2) { --module-color: var(--module-accent-2); }
.module-card:nth-child(5n+3) { --module-color: var(--module-accent-3); }
.module-card:nth-child(5n+4) { --module-color: var(--module-accent-4); }
.module-card:nth-child(5n+5) { --module-color: var(--module-accent-5); }
.module-header {
display: flex;
align-items: center;
gap: var(--space-md);
padding: var(--space-md) var(--space-lg);
cursor: pointer;
user-select: none;
list-style: none;
}
.module-header::-webkit-details-marker {
display: none;
}
.module-icon {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
background: color-mix(in srgb, var(--module-color, var(--color-primary)) 10%, transparent);
border-radius: var(--radius-sm);
font-size: var(--font-size-base);
color: var(--module-color, var(--color-primary));
flex-shrink: 0;
}
.module-info {
flex-grow: 1;
min-width: 0;
}
.module-number {
font-family: var(--font-sans);
font-size: var(--font-size-xs);
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.05em;
color: var(--module-color, var(--color-primary));
display: none;
}
.module-title {
font-family: var(--font-sans);
font-size: var(--font-size-md);
font-weight: 600;
color: var(--color-text);
margin-bottom: 0;
line-height: 1.4;
}
.module-card[open] .module-title {
font-weight: 700;
color: var(--module-color, var(--color-primary));
}
.module-description {
font-family: var(--font-sans);
font-size: var(--font-size-sm);
color: var(--color-text-muted);
line-height: 1.5;
display: none;
}
.module-card[open] .module-description {
display: block;
margin-bottom: var(--space-xs);
}
.module-meta {
display: flex;
align-items: center;
gap: var(--space-sm);
font-family: var(--font-sans);
font-size: var(--font-size-xs);
color: var(--color-text-muted);
margin-top: var(--space-2xs);
}
.module-meta span {
display: inline-flex;
align-items: center;
gap: 3px;
}
.module-meta i {
font-size: var(--font-size-2xs);
}
.module-toggle {
color: var(--color-text-muted);
font-size: var(--font-size-base);
transition: transform var(--transition-base);
align-self: center;
}
.module-card[open] .module-toggle {
transform: rotate(180deg);
}
.module-progress-bar {
height: 3px;
background: var(--color-border);
margin: 0;
}
.module-progress-fill {
height: 100%;
background: var(--module-color, var(--color-primary));
width: 0%;
transition: width var(--transition-smooth);
border-radius: var(--radius-full);
}
.module-content {
padding: var(--space-sm) var(--space-lg) var(--space-lg);
padding-left: calc(var(--space-lg) + 3px);
background: color-mix(in srgb, var(--color-surface) 30%, transparent);
}
.module-articles {
list-style: none;
padding: 0;
margin: 0;
display: flex;
flex-direction: column;
gap: var(--space-xs);
}
.module-article-item {
display: flex;
align-items: flex-start;
gap: var(--space-sm);
padding: var(--space-sm) 0;
border-bottom: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
}
.module-article-item:last-child {
border-bottom: none;
}
.article-check-label {
display: flex;
align-items: center;
justify-content: center;
flex-shrink: 0;
padding-top: 2px;
cursor: pointer;
}
.module-article-link {
display: flex;
align-items: flex-start;
gap: var(--space-sm);
padding: 0;
text-decoration: none;
flex: 1;
min-width: 0;
border-radius: var(--radius-sm);
}
.module-article-link:hover .article-title-text {
color: var(--color-primary);
}
.article-order {
font-family: var(--font-sans);
font-size: var(--font-size-2xs);
font-weight: 700;
color: var(--color-text-muted);
width: 26px;
height: 26px;
display: flex;
align-items: center;
justify-content: center;
background: var(--color-surface-hover);
border-radius: var(--radius-sm);
flex-shrink: 0;
margin-top: 1px;
}
.article-text-wrap {
display: flex;
flex-direction: column;
gap: 2px;
min-width: 0;
}
.article-title-text {
font-family: var(--font-sans);
font-size: var(--font-size-md);
font-weight: 600;
color: var(--color-text);
line-height: 1.4;
}
.article-desc-text {
font-family: var(--font-sans);
font-size: var(--font-size-sm);
color: var(--color-text-muted);
line-height: 1.4;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}
.article-newtab {
display: flex;
align-items: center;
justify-content: center;
width: 28px;
height: 28px;
flex-shrink: 0;
border-radius: var(--radius-sm);
color: var(--color-text-muted);
font-size: var(--font-size-2xs);
opacity: 0.4;
transition: opacity var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
text-decoration: none;
align-self: center;
}
.article-newtab:hover,
.article-newtab:focus-visible {
opacity: 1;
color: var(--color-primary);
background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}
.article-checkbox {
appearance: none;
-webkit-appearance: none;
width: 24px;
height: 24px;
border: 2px solid var(--color-border);
border-radius: var(--radius-sm);
cursor: pointer;
flex-shrink: 0;
position: relative;
transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
.article-checkbox:hover {
border-color: var(--color-primary);
}
.article-checkbox:checked {
background: var(--color-primary);
border-color: var(--color-primary);
}
.article-checkbox:checked::after {
content: '';
position: absolute;
left: 6px;
top: 2px;
width: 6px;
height: 12px;
border: solid var(--color-primary-contrast, #fff);
border-width: 0 2.5px 2.5px 0;
transform: rotate(45deg);
}
.article-checkbox:focus-visible {
outline: 2px solid var(--color-primary);
outline-offset: 2px;
}
.module-article-item.completed .article-title-text {
text-decoration: line-through;
color: var(--color-text-muted);
font-weight: 400;
}
.module-article-item.completed .article-desc-text {
display: none;
}
.module-article-item.completed .article-order {
background: color-mix(in srgb, hsl(145deg 55% 45%) 15%, transparent);
color: hsl(145deg 55% 45%);
}
.hero-progress {
margin-top: var(--space-lg);
padding-top: var(--space-lg);
border-top: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
}
.hero-progress-bar {
height: 8px;
background: color-mix(in srgb, var(--color-border) 50%, transparent);
border-radius: var(--radius-full);
overflow: hidden;
max-width: 400px;
margin: 0 auto var(--space-sm);
}
.hero-progress-fill {
height: 100%;
background: linear-gradient(90deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 80%, hsl(160deg 50% 45%)));
border-radius: var(--radius-full);
width: 0%;
transition: width var(--transition-smooth);
}
.hero-progress-text {
font-family: var(--font-sans);
font-size: var(--font-size-md);
color: var(--hero-text-muted);
margin-bottom: var(--space-md);
}
.continue-reading-btn {
display: inline-flex;
align-items: center;
gap: var(--space-sm);
padding: var(--space-sm) var(--space-lg);
font-family: var(--font-sans);
font-size: var(--font-size-md);
font-weight: 600;
color: var(--color-primary-contrast, #fff);
background: linear-gradient(135deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 85%, black));
border-radius: var(--radius-full);
text-decoration: none;
transition: box-shadow var(--transition-fast);
box-shadow: var(--shadow-sm);
}
.continue-reading-btn:hover {
box-shadow: var(--shadow-md);
}
.continue-reading-btn i {
font-size: var(--font-size-sm);
}
.module-card.module-complete {
opacity: 0.6;
}
.module-card.module-complete .module-icon {
background: color-mix(in srgb, hsl(145deg 55% 45%) 12%, transparent);
color: hsl(145deg 55% 45%);
}
.module-card.module-complete .module-progress-fill {
background: hsl(145deg 55% 45%);
}
.module-card.module-complete .progress-percent {
color: hsl(145deg 55% 45%);
}
.module-card.module-in-progress .module-progress-fill {
background: var(--module-color, var(--color-primary));
}
.module-card.module-in-progress .progress-percent {
color: var(--module-color, var(--color-primary));
font-weight: 700;
}
.filter-controls {
display: flex;
align-items: center;
gap: var(--space-md);
flex-wrap: wrap;
}
.article-list {
list-style: none;
padding: 0;
margin: 0;
display: flex;
flex-direction: column;
gap: var(--space-md);
}
.article-card {
display: flex;
gap: var(--space-md);
align-items: flex-start;
text-decoration: none;
padding: var(--space-lg);
background: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
transition: border-color var(--transition-base), box-shadow var(--transition-base);
box-shadow: var(--shadow-sm);
}
.article-card:hover,
.article-card:focus-visible {
border-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-border));
box-shadow: var(--shadow-md);
outline: none;
}
.article-number {
font-family: var(--font-display);
font-weight: 600;
font-size: var(--font-size-md);
color: var(--color-text-muted);
background: var(--color-surface-hover);
border-radius: var(--radius-md);
width: 44px;
height: 44px;
flex-shrink: 0;
display: flex;
align-items: center;
justify-content: center;
border: 1px solid var(--color-border);
}
.article-card:hover .article-number {
color: var(--color-primary);
border-color: var(--color-primary);
}
.article-card-content {
flex-grow: 1;
min-width: 0;
}
.article-card-title {
font-family: var(--font-display);
font-size: var(--font-size-lg);
font-weight: 600;
color: var(--color-text);
margin: 0 0 var(--space-xs) 0;
line-height: 1.3;
transition: color var(--transition-fast);
}
.article-card:hover .article-card-title {
color: var(--color-primary);
}
.article-card-description {
font-family: var(--font-serif);
font-size: var(--font-size-md);
line-height: 1.6;
color: var(--color-text-muted);
margin: 0 0 var(--space-sm) 0;
}
.article-card-meta {
font-family: var(--font-sans);
font-size: var(--font-size-sm);
color: var(--color-text-muted);
display: flex;
gap: var(--space-md);
align-items: center;
}
.article-card-meta i {
color: var(--color-primary);
font-size: var(--font-size-xs);
}
.pagination-nav {
margin-top: var(--space-xl);
}
.pagination-list {
list-style: none;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
flex-wrap: wrap;
gap: var(--space-xs);
}
.pagination-list button {
display: block;
min-width: 44px;
height: 44px;
padding: 0 var(--space-sm);
line-height: 42px;
text-align: center;
text-decoration: none;
font-weight: 500;
color: var(--color-text-muted);
background-color: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-md);
transition: border-color var(--transition-base), color var(--transition-base);
cursor: pointer;
font-family: var(--font-sans);
}
.pagination-list button:hover:not(:disabled) {
border-color: var(--color-primary);
color: var(--color-primary);
}
.pagination-list button.current-page {
background: linear-gradient(135deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 90%, black));
border-color: var(--color-primary);
color: var(--color-primary-contrast);
font-weight: 700;
}
.pagination-list button:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.error-message,
.no-results-message {
text-align: center;
padding: var(--space-xl);
background-color: var(--color-surface-solid);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
font-style: italic;
color: var(--color-text-muted);
box-shadow: var(--shadow-sm);
}
.error-message {
color: var(--color-danger);
border-color: color-mix(in srgb, var(--color-danger) 30%, var(--color-border));
}
.no-results-message {
display: none;
}
.no-results-message.visible {
display: block;
}
.article-list.loading {
opacity: 0.5;
pointer-events: none;
}
@media (width <= 768px) {
.page-main {
padding: var(--space-md);
}
.category-hero {
padding: var(--space-lg);
margin-bottom: var(--space-lg);
border-radius: var(--radius-lg);
}
.category-hero h1 {
font-size: var(--font-size-2xl);
}
.category-hero-stats {
flex-direction: column;
gap: var(--space-sm);
}
.category-controls {
border-radius: var(--radius-md);
padding: var(--space-md);
}
.sort-controls {
flex-direction: column;
align-items: stretch;
gap: var(--space-sm);
}
.sort-buttons {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: var(--space-xs);
}
.sort-btn {
text-align: center;
justify-content: center;
}
.learning-path-grid {
border-radius: var(--radius-md);
}
.module-header {
padding: var(--space-sm) var(--space-md);
gap: var(--space-sm);
}
.module-icon {
width: 30px;
height: 30px;
font-size: var(--font-size-sm);
}
.module-content {
padding: var(--space-sm) var(--space-md) var(--space-md);
padding-left: calc(var(--space-md) + 3px);
}
.filter-controls {
flex-direction: column;
align-items: stretch;
gap: var(--space-sm);
}
.article-card {
padding: var(--space-md);
}
.article-number {
width: 36px;
height: 36px;
font-size: var(--font-size-sm);
}
.article-card-title {
font-size: var(--font-size-base);
}
.article-card-description {
font-size: var(--font-size-md);
}
}
@media (width <= 576px) {
.category-hero {
margin-left: calc(-1 * var(--space-md));
margin-right: calc(-1 * var(--space-md));
border-radius: 0;
}
.category-controls {
margin-left: calc(-1 * var(--space-md));
margin-right: calc(-1 * var(--space-md));
border-radius: 0;
border-left: none;
border-right: none;
}
.learning-path-grid {
margin-left: calc(-1 * var(--space-md));
margin-right: calc(-1 * var(--space-md));
border-radius: 0;
border-left: none;
border-right: none;
}
.module-card::before {
width: 2px;
}
.article-list {
margin-left: calc(-1 * var(--space-md));
margin-right: calc(-1 * var(--space-md));
gap: 0;
}
.article-card {
border-radius: 0;
border-left: none;
border-right: none;
border-top: none;
}
}