mirror of
https://github.com/harvard-edge/cs249r_book.git
synced 2026-04-30 01:29:07 -05:00
503 lines
10 KiB
SCSS
503 lines
10 KiB
SCSS
/*-- scss:defaults --*/
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// Brand colors matching MLSysBook ecosystem
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$primary: #2563eb;
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$secondary: #64748b;
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$success: #22c55e;
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$warning: #f59e0b;
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$accent: #e94560;
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/*-- scss:rules --*/
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// ============================================================================
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// DARK MODE TOGGLE
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// ============================================================================
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.quarto-color-scheme-toggle {
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color: #6c757d !important;
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&:hover {
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color: $primary !important;
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}
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}
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// Moon icon in light mode (indicates "switch to dark mode")
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.quarto-color-scheme-toggle:not(.alternate) .bi::before {
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background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%234a5568" class="bi bi-moon-stars-fill" viewBox="0 0 16 16"><path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/><path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/></svg>') !important;
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background-size: contain !important;
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background-repeat: no-repeat !important;
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background-position: center !important;
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content: "" !important;
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display: inline-block !important;
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width: 1em !important;
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height: 1em !important;
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}
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// ============================================================================
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// HERO SECTION
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// ============================================================================
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.hero-section {
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background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
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color: white;
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padding: 5rem 2rem;
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margin: -1rem -1rem 0 -1rem;
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text-align: center;
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position: relative;
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overflow: hidden;
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&::before {
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content: '';
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
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radial-gradient(circle at 70% 80%, rgba(233, 69, 96, 0.1) 0%, transparent 50%);
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pointer-events: none;
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}
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}
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.hero-content {
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position: relative;
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z-index: 1;
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max-width: 800px;
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margin: 0 auto;
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}
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.coming-badge {
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display: inline-block;
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background: $accent;
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color: white;
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padding: 0.5rem 1.25rem;
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border-radius: 2rem;
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font-size: 0.85rem;
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font-weight: 600;
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text-transform: uppercase;
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letter-spacing: 0.1em;
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margin-bottom: 1.5rem;
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}
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.hero-section h1 {
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font-size: 3.5rem;
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font-weight: 700;
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margin-bottom: 0.75rem;
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color: white !important;
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letter-spacing: -0.02em;
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}
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.hero-subtitle {
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font-size: 1.5rem;
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font-weight: 400;
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color: rgba(255, 255, 255, 0.9) !important;
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margin-bottom: 0.5rem;
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}
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.hero-tagline {
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font-size: 1.1rem;
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color: rgba(255, 255, 255, 0.7) !important;
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font-style: italic;
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}
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// ============================================================================
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// CONTENT SECTION
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// ============================================================================
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.content-section {
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max-width: 900px;
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margin: 0 auto;
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padding: 3rem 1.5rem;
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h2 {
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color: #1e293b;
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font-size: 1.75rem;
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font-weight: 600;
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margin-top: 3rem;
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margin-bottom: 1rem;
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padding-bottom: 0.5rem;
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border-bottom: 2px solid #e2e8f0;
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&:first-child {
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margin-top: 0;
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}
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}
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p {
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color: #475569;
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font-size: 1.1rem;
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line-height: 1.8;
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margin-bottom: 1rem;
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}
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}
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// ============================================================================
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// JOURNEY CARDS (Understand → Experiment → Build)
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// ============================================================================
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.journey-cards {
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display: grid;
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grid-template-columns: repeat(3, 1fr);
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gap: 1.5rem;
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margin: 2rem 0 3rem 0;
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}
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.journey-card {
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background: #f8fafc;
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border: 1px solid #e2e8f0;
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border-radius: 1rem;
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padding: 2rem 1.5rem;
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text-align: center;
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transition: all 0.3s ease;
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&:hover {
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transform: translateY(-4px);
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box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
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}
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&.active {
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background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
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border-color: transparent;
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color: white;
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h3 {
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color: white;
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}
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p {
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color: rgba(255, 255, 255, 0.9);
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}
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.current {
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background: rgba(255, 255, 255, 0.2);
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color: white;
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padding: 0.25rem 0.75rem;
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border-radius: 1rem;
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font-size: 0.85rem;
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font-weight: 500;
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}
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}
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}
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.journey-icon {
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font-size: 2.5rem;
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margin-bottom: 1rem;
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}
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.journey-card h3 {
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font-size: 1.25rem;
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font-weight: 600;
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color: #1e293b;
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margin-bottom: 0.5rem;
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}
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.journey-card p {
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font-size: 0.95rem;
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color: #64748b;
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margin-bottom: 1rem;
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line-height: 1.5;
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}
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.journey-card a {
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color: $primary;
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text-decoration: none;
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font-weight: 500;
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font-size: 0.9rem;
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&:hover {
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text-decoration: underline;
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}
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}
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// ============================================================================
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// TOPIC GRID
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// ============================================================================
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.topic-grid {
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display: grid;
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grid-template-columns: repeat(2, 1fr);
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gap: 1.5rem;
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margin: 2rem 0;
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}
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.topic-card {
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background: #fff;
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border: 1px solid #e2e8f0;
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border-radius: 0.75rem;
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padding: 1.5rem;
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transition: all 0.2s ease;
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&:hover {
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border-color: $primary;
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box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
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}
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h4 {
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color: $primary;
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font-size: 1.1rem;
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font-weight: 600;
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margin-bottom: 0.75rem;
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padding-bottom: 0.5rem;
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border-bottom: 2px solid #e2e8f0;
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}
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ul {
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list-style: none;
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padding: 0;
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margin: 0;
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}
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li {
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color: #475569;
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font-size: 0.95rem;
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padding: 0.35rem 0;
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padding-left: 1.25rem;
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position: relative;
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&::before {
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content: '→';
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position: absolute;
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left: 0;
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color: #94a3b8;
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}
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}
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}
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// ============================================================================
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// CTA SECTION
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// ============================================================================
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.cta-section {
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display: flex;
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gap: 1rem;
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justify-content: center;
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flex-wrap: wrap;
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margin: 2rem 0 3rem 0;
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}
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.cta-btn {
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display: inline-block;
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padding: 0.875rem 2rem;
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border-radius: 0.5rem;
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text-decoration: none;
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font-weight: 500;
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font-size: 1rem;
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transition: all 0.2s ease;
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&.primary {
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background: $primary;
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color: white;
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&:hover {
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background: darken($primary, 8%);
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transform: translateY(-2px);
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box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
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}
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}
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&.secondary {
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background: #f1f5f9;
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color: #475569;
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border: 1px solid #e2e8f0;
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&:hover {
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background: #e2e8f0;
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color: #1e293b;
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transform: translateY(-2px);
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}
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}
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}
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// ============================================================================
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// LEGACY STYLES (keeping for compatibility)
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// ============================================================================
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.hero-banner {
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text-align: center;
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padding: 4rem 2rem;
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background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
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color: white;
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margin: -1rem -1rem 2rem -1rem;
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border-radius: 0 0 1rem 1rem;
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}
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.hero-title {
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font-size: 3rem;
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font-weight: 700;
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margin-bottom: 0.5rem;
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color: white !important;
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}
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.coming-soon-badge {
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display: inline-block;
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background: rgba(255, 255, 255, 0.2);
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border: 2px solid rgba(255, 255, 255, 0.4);
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padding: 0.5rem 1.5rem;
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border-radius: 2rem;
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font-weight: 600;
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font-size: 1rem;
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letter-spacing: 0.05em;
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}
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// Grid layout for topics
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.grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
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gap: 1.5rem;
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margin: 2rem 0;
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}
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.g-col-6 {
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background: #f8fafc;
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padding: 1.5rem;
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border-radius: 0.5rem;
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border: 1px solid #e2e8f0;
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}
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.g-col-6 h3 {
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color: $primary;
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font-size: 1.1rem;
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margin-bottom: 0.75rem;
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}
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.g-col-6 ul {
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margin: 0;
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padding-left: 1.25rem;
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}
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.g-col-6 li {
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margin-bottom: 0.25rem;
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color: #475569;
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}
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// CTA buttons (legacy)
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.cta-buttons {
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display: flex;
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flex-wrap: wrap;
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gap: 1rem;
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justify-content: center;
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margin: 2rem 0;
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}
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.btn {
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display: inline-block;
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padding: 0.75rem 1.5rem;
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border-radius: 0.5rem;
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text-decoration: none;
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font-weight: 500;
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transition: all 0.2s ease;
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}
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.btn-primary {
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background: $primary;
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color: white;
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&:hover {
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background: darken($primary, 10%);
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color: white;
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}
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}
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.btn-secondary {
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background: #f1f5f9;
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color: #475569;
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border: 1px solid #e2e8f0;
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&:hover {
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background: #e2e8f0;
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color: #1e293b;
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}
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}
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// Text utilities
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.text-center {
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text-align: center;
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}
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// Code block styling
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pre {
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background: #1e293b;
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color: #e2e8f0;
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padding: 1.5rem;
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border-radius: 0.5rem;
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overflow-x: auto;
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font-size: 0.85rem;
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}
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// Table styling
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table {
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width: 100%;
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border-collapse: collapse;
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margin: 1.5rem 0;
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}
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th, td {
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padding: 0.75rem 1rem;
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text-align: left;
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border-bottom: 1px solid #e2e8f0;
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}
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th {
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background: #f8fafc;
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font-weight: 600;
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color: #1e293b;
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}
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// ============================================================================
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// RESPONSIVE ADJUSTMENTS
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// ============================================================================
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@media (max-width: 768px) {
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.hero-section {
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padding: 3rem 1.5rem;
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margin: -1rem -1rem 0 -1rem;
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}
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.hero-section h1 {
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font-size: 2.25rem;
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}
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.hero-subtitle {
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font-size: 1.2rem;
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}
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.hero-tagline {
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font-size: 1rem;
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}
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.content-section {
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padding: 2rem 1rem;
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}
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.journey-cards {
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grid-template-columns: 1fr;
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gap: 1rem;
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}
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.topic-grid {
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grid-template-columns: 1fr;
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}
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.cta-section {
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flex-direction: column;
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align-items: center;
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}
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.cta-btn {
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width: 100%;
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max-width: 300px;
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text-align: center;
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}
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.hero-banner {
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padding: 2rem 1rem;
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}
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.hero-title {
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font-size: 2rem;
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}
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.cta-buttons {
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flex-direction: column;
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align-items: center;
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}
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.btn {
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width: 100%;
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max-width: 300px;
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text-align: center;
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}
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}
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