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1158 lines (978 loc) · 20.8 KB
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@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root {
/* Brand colors */
--primary-color: #ed1c24;
--primary-light: rgba(237, 28, 36, 0.1);
/* Light theme */
--light-background: #fafafa;
--light-surface: #f5f5f5;
--light-card: #ffffff;
--light-text-primary: #333333;
--light-text-secondary: #666666;
--light-border: #e0e0e0;
--light-shadow: rgba(0, 0, 0, 0.08);
/* Dark theme */
--dark-background: #1a1a1a;
--dark-surface: #2a2a2a;
--dark-card: #2f2f2f;
--dark-text-primary: #f0f0f0;
--dark-text-secondary: #b0b0b0;
--dark-border: #404040;
--dark-shadow: rgba(0, 0, 0, 0.3);
}
/* Default to light theme */
body {
--background: var(--light-background);
--surface: var(--light-surface);
--card: var(--light-card);
--text-primary: var(--light-text-primary);
--text-secondary: var(--light-text-secondary);
--border: var(--light-border);
--shadow: var(--light-shadow);
}
/* Dark theme */
body.dark-theme {
--background: var(--dark-background);
--surface: var(--dark-surface);
--card: var(--dark-card);
--text-primary: var(--dark-text-primary);
--text-secondary: var(--dark-text-secondary);
--border: var(--dark-border);
--shadow: var(--dark-shadow);
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
background-color: var(--background);
color: var(--text-primary);
line-height: 1.6;
font-size: 16px;
transition: all 0.2s ease;
}
.logo {
height: 200px;
width: auto;
}
.container {
max-width: 900px;
margin: 0 auto;
padding: 0 24px;
}
/* Wider container for the home page so the lessons grid can show 3 columns
on laptops while staying narrow on the lesson reading pages. */
.container--wide {
max-width: 1200px;
}
.back-link {
padding-bottom: 1.5rem;
}
/* Header */
.header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 24px 0;
border-bottom: 1px solid var(--primary-color);
margin-bottom: 32px;
}
.header h1 {
font-size: 24px;
font-weight: 700;
color: var(--text-primary);
margin: 0;
}
.back-link {
color: var(--primary-color);
text-decoration: none;
font-weight: 500;
display: flex;
align-items: center;
gap: 8px;
}
.back-link:hover {
text-decoration: underline;
}
.theme-toggle {
background: var(--card);
border: 1px solid var(--border);
border-radius: 8px;
padding: 8px 16px;
cursor: pointer;
display: flex;
align-items: center;
gap: 8px;
font-size: 14px;
color: var(--text-primary);
transition: all 0.2s ease;
}
.theme-toggle:hover {
border-color: var(--primary-color);
}
.theme-icon {
width: 16px;
height: 16px;
fill: currentColor;
}
/* Lesson Header */
.lesson-header {
background: var(--card);
padding: 32px;
border-radius: 12px;
margin-bottom: 32px;
border: 1px solid var(--border);
border-left: 4px solid var(--primary-color);
box-shadow: 0 2px 8px var(--shadow);
}
.lesson-title {
font-size: 32px;
font-weight: 700;
margin-bottom: 16px;
color: var(--text-primary);
}
.lesson-summary {
font-size: 18px;
color: var(--text-secondary);
margin-bottom: 24px;
}
.lesson-meta-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 16px 32px;
margin-bottom: 24px;
}
.meta-item {
display: flex;
flex-direction: column;
padding: 12px 0;
}
.meta-label {
font-size: 12px;
font-weight: 600;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 0.5px;
margin-bottom: 4px;
}
.meta-value {
font-size: 14px;
color: var(--text-primary);
font-weight: 500;
}
.lesson-tags {
display: flex;
flex-wrap: wrap;
gap: 8px;
}
.tag {
background: var(--surface);
color: var(--text-secondary);
padding: 4px 12px;
border-radius: 16px;
font-size: 12px;
border: 1px solid var(--border);
font-weight: 500;
}
/* Content Sections */
.content-section {
background: var(--card);
padding: 24px;
border-radius: 12px;
margin-bottom: 24px;
border: 1px solid var(--border);
box-shadow: 0 2px 8px var(--shadow);
}
.content-section h2 {
font-size: 24px;
font-weight: 600;
margin-bottom: 16px;
color: var(--text-primary);
border-bottom: 2px solid var(--primary-color);
padding-bottom: 8px;
}
.content-section h3 {
font-size: 18px;
font-weight: 600;
margin-bottom: 12px;
color: var(--text-primary);
}
.content-section p {
margin-bottom: 16px;
line-height: 1.7;
}
.content-section ul {
margin-left: 20px;
margin-bottom: 16px;
}
.content-section li {
margin-bottom: 8px;
}
/* Prerequisites */
.prereq-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 20px;
}
.prereq-box {
padding: 20px;
border-radius: 8px;
border-left: 4px solid;
}
.prereq-box.scientific {
background: rgba(34, 139, 34, 0.1);
border-left-color: #228b22;
}
.prereq-box.programming {
background: rgba(30, 144, 255, 0.1);
border-left-color: #1e90ff;
}
.prereq-box h4 {
font-weight: 600;
margin-bottom: 12px;
}
.prereq-box.scientific h4 {
color: #228b22;
}
.prereq-box.programming h4 {
color: #1e90ff;
}
.prereq-box ul {
margin-left: 16px;
}
.prereq-box li {
margin-bottom: 6px;
color: var(--text-secondary);
}
/* Learning Objectives */
.objectives-list {
background: var(--surface);
padding: 16px;
border-radius: 8px;
border: 1px solid var(--border);
}
/* Notebook Sequence */
.notebook-sequence {
display: flex;
flex-direction: column;
gap: 16px;
margin-bottom: 24px;
}
.notebook-item {
background: var(--surface);
padding: 20px;
border-radius: 8px;
border: 1px solid var(--border);
transition: all 0.2s ease;
}
.notebook-item:hover {
border-color: var(--primary-color);
transform: translateY(-1px);
}
.notebook-header {
display: flex;
align-items: center;
gap: 12px;
margin-bottom: 8px;
}
.notebook-number {
background: var(--primary-color);
color: white;
width: 24px;
height: 24px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 12px;
font-weight: 600;
flex-shrink: 0;
}
.notebook-header h4 {
margin: 0;
font-size: 16px;
font-weight: 600;
color: var(--text-primary);
}
.notebook-actions {
display: flex;
justify-content: space-between;
align-items: center;
margin-top: 16px;
}
.duration {
color: var(--text-secondary);
font-size: 12px;
font-weight: 500;
}
/* Materials Section */
.materials-list {
display: flex;
flex-direction: column;
gap: 16px;
margin-bottom: 24px;
}
.material-item {
background: var(--surface);
padding: 20px;
border-radius: 8px;
border: 1px solid var(--border);
transition: all 0.2s ease;
}
.material-item:hover {
border-color: var(--primary-color);
transform: translateY(-1px);
}
.material-header {
display: flex;
align-items: center;
gap: 12px;
margin-bottom: 8px;
}
.material-type-icon {
width: 18px;
height: 18px;
fill: var(--primary-color);
flex-shrink: 0;
}
.material-title {
margin: 0;
font-size: 16px;
font-weight: 600;
color: var(--text-primary);
}
.notebook-buttons {
display: flex;
flex-wrap: wrap;
gap: 8px;
}
.material-actions {
display: flex;
flex-direction: column;
align-items: flex-start;
gap: 8px;
margin-top: 16px;
}
.material-objectives {
margin-top: 12px;
padding-top: 12px;
border-top: 1px solid var(--border);
}
.material-objectives.collapsed {
display: none;
}
.objectives-toggle {
background: none;
border: none;
color: var(--primary-color);
cursor: pointer;
font-size: 12px;
padding: 4px 0;
text-decoration: underline;
}
.objectives-toggle:hover {
opacity: 0.8;
}
.material-objectives h5 {
font-size: 13px;
font-weight: 600;
margin-bottom: 8px;
color: var(--text-primary);
}
.material-objectives ul {
margin-left: 16px;
}
.material-objectives li {
font-size: 13px;
color: var(--text-secondary);
margin-bottom: 4px;
}
.btn {
display: inline-block;
padding: 12px 20px;
border-radius: 8px;
text-decoration: none;
font-weight: 500;
text-align: center;
transition: all 0.2s ease;
border: none;
cursor: pointer;
font-size: 14px;
}
.btn-primary {
background-color: var(--primary-color);
color: white;
}
.btn-primary:hover {
background-color: #d91920;
transform: translateY(-1px);
}
.btn-secondary {
background-color: var(--surface);
color: var(--text-primary);
border: 1px solid var(--border);
}
.btn-secondary:hover {
border-color: var(--primary-color);
transform: translateY(-1px);
}
.access-note {
margin-top: 12px;
font-size: 12px;
color: var(--text-secondary);
}
.access-note a {
color: var(--primary-color);
text-decoration: none;
}
.access-note a:hover {
text-decoration: underline;
}
/* Platform Options */
.platform-options {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: 20px;
}
.platform-card {
background: var(--surface);
padding: 20px;
border-radius: 8px;
border: 1px solid var(--border);
}
.platform-card.recommended {
border-color: var(--primary-color);
background: var(--primary-light);
}
.platform-card h4 {
font-size: 16px;
font-weight: 600;
margin-bottom: 8px;
color: var(--text-primary);
}
.platform-card.recommended h4 {
color: var(--primary-color);
}
.platform-card p {
font-size: 14px;
color: var(--text-secondary);
margin-bottom: 12px;
}
.platform-card ul {
margin-left: 16px;
}
.platform-card li {
font-size: 13px;
color: var(--text-secondary);
margin-bottom: 4px;
}
/* Footer */
.footer {
text-align: center;
padding: 32px 0;
color: var(--text-secondary);
border-top: 1px solid var(--primary-color);
margin-top: 48px;
font-size: 14px;
}
/* Links */
a {
color: var(--primary-color);
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
/* Responsive */
@media (max-width: 768px) {
.container {
padding: 0 16px;
}
.header {
flex-direction: column;
gap: 16px;
text-align: center;
}
.lesson-title {
font-size: 28px;
}
.lesson-meta-grid {
grid-template-columns: 1fr;
}
.materials-grid {
grid-template-columns: 1fr;
}
.platform-options {
grid-template-columns: 1fr;
}
.prereq-grid {
grid-template-columns: 1fr;
}
.notebook-actions {
flex-direction: column;
align-items: flex-start;
gap: 8px;
}
}
/* Search Section */
.search-section {
background: var(--card);
padding: 24px;
border-radius: 12px;
margin-bottom: 32px;
border: 1px solid var(--border);
border-left: 4px solid var(--primary-color);
box-shadow: 0 2px 8px var(--shadow);
}
.search-bar {
width: 100%;
padding: 12px 16px;
font-size: 16px;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 8px;
color: var(--text-primary);
margin-bottom: 20px;
transition: border-color 0.2s ease;
}
.search-bar:focus {
outline: none;
border-color: var(--primary-color);
}
.search-bar::placeholder {
color: var(--text-secondary);
}
.filters {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 16px;
margin-bottom: 16px;
}
.filter-group {
display: flex;
flex-direction: column;
}
.filter-group label {
font-weight: 500;
margin-bottom: 6px;
color: var(--text-primary);
font-size: 14px;
}
.filter-select {
padding: 10px 12px;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 6px;
color: var(--text-primary);
font-size: 14px;
transition: border-color 0.2s ease;
}
.filter-select:focus {
outline: none;
border-color: var(--primary-color);
}
/* Active filters */
.filter-tags {
display: flex;
flex-wrap: wrap;
gap: 8px;
margin-top: 16px;
}
.filter-tag {
background-color: var(--primary-color);
color: white;
padding: 4px 12px;
border-radius: 16px;
font-size: 12px;
display: flex;
align-items: center;
gap: 6px;
font-weight: 500;
}
.filter-tag .remove {
cursor: pointer;
font-size: 14px;
opacity: 0.8;
}
.filter-tag .remove:hover {
opacity: 1;
}
/* Results */
.results-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 24px;
padding-bottom: 12px;
border-bottom: 2px solid var(--primary-color);
}
.results-header h2 {
font-size: 24px;
font-weight: 600;
color: var(--text-primary);
}
.results-count {
color: var(--text-secondary);
font-size: 14px;
}
/* Lesson Cards */
.lessons-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
gap: 20px;
margin-bottom: 48px;
}
.lesson-card {
background: var(--card);
border: 1px solid var(--border);
border-radius: 12px;
padding: 20px;
transition: all 0.2s ease;
cursor: pointer;
box-shadow: 0 2px 8px var(--shadow);
text-decoration: none;
color: inherit;
}
.lesson-card:hover {
border-color: var(--primary-color);
transform: translateY(-2px);
box-shadow: 0 4px 16px var(--shadow);
text-decoration: none;
color: inherit;
}
.lesson-title {
font-size: 18px;
font-weight: 600;
margin-bottom: 8px;
color: var(--text-primary);
}
.lesson-description {
color: var(--text-secondary);
margin-bottom: 16px;
font-size: 14px;
line-height: 1.5;
}
.lesson-meta {
display: flex;
flex-direction: column;
gap: 6px;
margin-bottom: 16px;
}
.meta-item {
display: flex;
justify-content: space-between;
font-size: 13px;
}
.meta-label {
font-weight: 500;
color: var(--text-secondary);
}
.meta-value {
color: var(--text-primary);
}
.lesson-tags {
display: flex;
flex-wrap: wrap;
gap: 6px;
}
.tag {
background: var(--surface);
color: var(--text-secondary);
padding: 2px 8px;
border-radius: 12px;
font-size: 12px;
border: 1px solid var(--border);
}
/* Footer */
.footer {
text-align: center;
padding: 32px 0;
color: var(--text-secondary);
border-top: 1px solid var(--primary-color);
margin-top: 48px;
font-size: 14px;
}
/* Links */
a {
color: var(--primary-color);
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
/* Hidden class for filtering */
.hidden {
display: none !important;
}
/* Responsive */
@media (max-width: 768px) {
.container {
padding: 0 16px;
}
.header {
flex-direction: column;
gap: 16px;
text-align: center;
}
h1 {
font-size: 28px;
}
.filters {
grid-template-columns: 1fr;
}
.lessons-grid {
grid-template-columns: 1fr;
}
.results-header {
flex-direction: column;
align-items: flex-start;
gap: 8px;
}
}
/* Responsive container width - wider but with reasonable limits */
.container {
max-width: min(80%, 1400px);
margin: 0 auto;
padding: 0 24px;
}
.lesson-layout {
display: grid;
grid-template-columns: 300px 1fr;
gap: 24px;
align-items: start;
}
/* Sidebar TOC */
.sidebar-toc {
position: sticky;
top: 24px;
background: var(--card);
border: 1px solid var(--border);
border-radius: 12px;
padding: 0;
box-shadow: 0 2px 8px var(--shadow);
max-height: calc(100vh - 48px);
overflow-y: auto;
transition: all 0.3s ease;
}
.sidebar-toc.collapsed {
width: 40px;
overflow: hidden;
}
.toc-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 16px;
border-bottom: 1px solid var(--border);
background: var(--surface);
border-radius: 12px 12px 0 0;
}
.toc-header h3 {
margin: 0;
font-size: 16px;
font-weight: 600;
color: var(--text-primary);
}
.toc-collapse {
background: none;
border: none;
cursor: pointer;
padding: 4px;
color: var(--text-secondary);
transition: color 0.2s ease;
display: flex;
align-items: center;
justify-content: center;
}
.toc-collapse:hover {
color: var(--primary-color);
}
.toc-collapse svg {
fill: currentColor;
}
.sidebar-toc .toc-nav {
padding: 12px 0;
}
.sidebar-toc .toc-link {
display: block;
padding: 8px 16px;
color: var(--text-primary);
text-decoration: none;
font-size: 14px;
font-weight: 500;
transition: all 0.2s ease;
border-left: 3px solid transparent;
}
.sidebar-toc .toc-link:hover {
background-color: var(--surface);
border-left-color: var(--primary-color);
color: var(--text-primary);
}
.sidebar-toc .toc-link.active {
background-color: var(--primary-light);
border-left-color: var(--primary-color);
color: var(--primary-color);
font-weight: 600;
}
.sidebar-toc .toc-submenu {
margin-left: 0;
border-left: none;
padding-left: 0;
}
.sidebar-toc .toc-sublink {
display: block;
padding: 6px 16px 6px 32px;
color: var(--text-secondary);
text-decoration: none;
font-size: 13px;
transition: all 0.2s ease;
border-left: 3px solid transparent;
position: relative;
}
.sidebar-toc .toc-sublink::before {
content: '•';
position: absolute;
left: 20px;
color: var(--text-secondary);
}
.sidebar-toc .toc-sublink:hover {
background-color: var(--surface);
color: var(--text-primary);
border-left-color: var(--primary-color);
}
.sidebar-toc .toc-sublink.active {
background-color: var(--primary-light);
color: var(--primary-color);
border-left-color: var(--primary-color);
font-weight: 500;
}