.lesson-nav[data-astro-cid-dafctdak]{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--color-border)}.lesson-nav-inner[data-astro-cid-dafctdak]{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.lesson-nav-link[data-astro-cid-dafctdak]{display:flex;flex-direction:column;gap:var(--space-xs);padding:var(--space-lg);border-radius:var(--radius-md);border:1px solid var(--color-border);transition:all .2s ease}.lesson-nav-link[data-astro-cid-dafctdak]:hover{border-color:var(--color-accent);background:var(--color-accent-light)}.lesson-nav-link[data-astro-cid-dafctdak].next{text-align:right}.lesson-nav-label[data-astro-cid-dafctdak]{font-size:.75rem;font-weight:500;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.06em}.lesson-nav-title[data-astro-cid-dafctdak]{font-size:.9375rem;font-weight:500;color:var(--color-accent)}@media(max-width:640px){.lesson-nav-inner[data-astro-cid-dafctdak]{grid-template-columns:1fr}.lesson-nav-link[data-astro-cid-dafctdak]{min-height:48px;padding:var(--space-md) var(--space-lg)}.lesson-nav-title[data-astro-cid-dafctdak]{font-size:1rem}}.source-attribution[data-astro-cid-5si22kq2]{margin-top:var(--space-2xl);padding:var(--space-lg);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border)}.attribution-label[data-astro-cid-5si22kq2]{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-tertiary);margin-bottom:var(--space-sm)}.attribution-list[data-astro-cid-5si22kq2]{display:flex;flex-direction:column;gap:var(--space-sm)}.attribution-item[data-astro-cid-5si22kq2]{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--color-surface);border-radius:var(--radius-sm);border:1px solid var(--color-border);color:var(--color-text-primary);transition:border-color .2s ease;font-size:.875rem}.attribution-item[data-astro-cid-5si22kq2]:hover{border-color:var(--color-accent);color:var(--color-text-primary)}.attribution-name[data-astro-cid-5si22kq2]{font-weight:500}.attribution-lesson[data-astro-cid-5si22kq2]{color:var(--color-text-secondary);font-size:.8125rem}.attribution-license[data-astro-cid-5si22kq2]{font-size:.75rem;color:var(--color-text-tertiary);margin-left:auto}@media(max-width:640px){#ai-assistant-toggle{bottom:calc(24px + var(--tab-bar-height) + env(safe-area-inset-bottom))!important}.ai-assistant-panel{bottom:calc(80px + var(--tab-bar-height) + env(safe-area-inset-bottom))!important;max-height:calc(100vh - 200px - var(--tab-bar-height) - env(safe-area-inset-bottom))!important}}.lesson[data-astro-cid-slowiehy]{padding-bottom:var(--space-3xl)}.lesson-header[data-astro-cid-slowiehy]{margin-bottom:var(--space-3xl);padding-bottom:var(--space-2xl);border-bottom:1px solid var(--color-border)}.lesson-module[data-astro-cid-slowiehy]{display:inline-block;font-size:.8125rem;font-weight:500;color:var(--color-accent);letter-spacing:.02em;margin-bottom:var(--space-sm)}.lesson-title[data-astro-cid-slowiehy]{font-size:2rem;font-weight:700;letter-spacing:-.03em;line-height:1.2;color:var(--color-text-primary);margin-bottom:var(--space-md)}.upstream-badge[data-astro-cid-slowiehy]{display:flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap}.upstream-source[data-astro-cid-slowiehy]{font-size:.8125rem;color:var(--color-text-secondary);font-weight:500}.upstream-license[data-astro-cid-slowiehy]{font-size:.6875rem;padding:2px 8px;border-radius:var(--radius-full);background:var(--color-accent-light);color:var(--color-accent);font-weight:600}.upstream-link[data-astro-cid-slowiehy]{font-size:.8125rem;color:var(--color-accent);text-decoration:none;font-weight:500}.upstream-link[data-astro-cid-slowiehy]:hover{text-decoration:underline}.custom-badge[data-astro-cid-slowiehy]{display:flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap}.custom-author[data-astro-cid-slowiehy]{font-size:.8125rem;color:var(--color-text-secondary);font-weight:500}.custom-date[data-astro-cid-slowiehy],.sync-date[data-astro-cid-slowiehy]{font-size:.75rem;color:var(--color-text-tertiary)}.lesson-body[data-astro-cid-slowiehy]{line-height:1.7}.lesson-body[data-astro-cid-slowiehy] h1{font-size:1.75rem;font-weight:700;letter-spacing:-.03em;margin-top:var(--space-3xl);margin-bottom:var(--space-lg);color:var(--color-text-primary)}.lesson-body[data-astro-cid-slowiehy] h2{font-size:1.5rem;font-weight:600;letter-spacing:-.02em;margin-top:var(--space-3xl);margin-bottom:var(--space-lg);color:var(--color-text-primary)}.lesson-body[data-astro-cid-slowiehy] h3{font-size:1.125rem;font-weight:600;letter-spacing:-.01em;margin-top:var(--space-2xl);margin-bottom:var(--space-md);color:var(--color-text-primary)}.lesson-body[data-astro-cid-slowiehy] p{font-size:1.0625rem;line-height:1.7;margin-bottom:var(--space-lg);color:var(--color-text-primary)}.lesson-body[data-astro-cid-slowiehy] ul,.lesson-body[data-astro-cid-slowiehy] ol{margin-bottom:var(--space-lg);padding-left:var(--space-lg)}.lesson-body[data-astro-cid-slowiehy] li{font-size:1.0625rem;line-height:1.7;margin-bottom:var(--space-sm)}.lesson-body[data-astro-cid-slowiehy] blockquote{border-left:3px solid var(--color-accent);padding:var(--space-md) var(--space-lg);margin:var(--space-xl) 0;background:var(--color-accent-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:1.0625rem;color:var(--color-text-primary)}.lesson-body[data-astro-cid-slowiehy] blockquote p{margin-bottom:0}.lesson-body[data-astro-cid-slowiehy] pre{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);overflow-x:auto;margin:var(--space-xl) 0;font-size:.875rem;line-height:1.6}.lesson-body[data-astro-cid-slowiehy] code{font-family:SF Mono,Fira Code,Fira Mono,Roboto Mono,monospace;font-size:.875em}.lesson-body[data-astro-cid-slowiehy] :not(pre)>code{background:var(--color-bg-secondary);padding:2px 6px;border-radius:var(--radius-xs);border:1px solid var(--color-border)}.lesson-body[data-astro-cid-slowiehy] table{width:100%;border-collapse:collapse;margin:var(--space-xl) 0;font-size:.9375rem;overflow-x:auto;display:block}.lesson-body[data-astro-cid-slowiehy] th,.lesson-body[data-astro-cid-slowiehy] td{padding:var(--space-sm) var(--space-md);text-align:left;border-bottom:1px solid var(--color-border)}.lesson-body[data-astro-cid-slowiehy] th{font-weight:600;color:var(--color-text-secondary);font-size:.8125rem;text-transform:uppercase;letter-spacing:.04em}.lesson-body[data-astro-cid-slowiehy] img{max-width:100%;height:auto;border-radius:var(--radius-md);margin:var(--space-lg) 0}.lesson-body[data-astro-cid-slowiehy] a{color:var(--color-accent);text-decoration:none}.lesson-body[data-astro-cid-slowiehy] a:hover{text-decoration:underline}.lesson-body[data-astro-cid-slowiehy] hr{border:none;border-top:1px solid var(--color-border);margin:var(--space-2xl) 0}.content-pending[data-astro-cid-slowiehy]{padding:var(--space-2xl);background:var(--color-bg-secondary);border-radius:var(--radius-lg);text-align:center}.content-pending[data-astro-cid-slowiehy] p[data-astro-cid-slowiehy]{color:var(--color-text-secondary);margin:0}.interactive-section[data-astro-cid-slowiehy]{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--color-border)}.interactive-section[data-astro-cid-slowiehy] h2[data-astro-cid-slowiehy]{font-size:1.5rem;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-xs)}.interactive-hint[data-astro-cid-slowiehy]{font-size:.9375rem;color:var(--color-text-secondary);margin-bottom:var(--space-lg)}.quiz-section[data-astro-cid-slowiehy]{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--color-border)}.quiz-section[data-astro-cid-slowiehy] h2[data-astro-cid-slowiehy]{font-size:1.5rem;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-md)}.prompt-lab-section[data-astro-cid-slowiehy]{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--color-border)}.prompt-lab-section[data-astro-cid-slowiehy] h2[data-astro-cid-slowiehy]{font-size:1.5rem;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-sm)}.prompt-lab-section[data-astro-cid-slowiehy] p[data-astro-cid-slowiehy]{color:var(--color-text-secondary);margin-bottom:var(--space-xl)}@media(max-width:640px){.lesson[data-astro-cid-slowiehy]{margin-left:calc(-1 * var(--space-md));margin-right:calc(-1 * var(--space-md))}.lesson-header[data-astro-cid-slowiehy]{padding-left:var(--space-md);padding-right:var(--space-md);margin-bottom:var(--space-2xl)}.lesson-body[data-astro-cid-slowiehy]{padding-left:var(--space-md);padding-right:var(--space-md)}.lesson-title[data-astro-cid-slowiehy]{font-size:1.75rem}.lesson-body[data-astro-cid-slowiehy] p,.lesson-body[data-astro-cid-slowiehy] li{font-size:1.125rem}.lesson-body[data-astro-cid-slowiehy] h2{font-size:1.375rem}.lesson-body[data-astro-cid-slowiehy] h3{font-size:1.1875rem}.prompt-lab-section[data-astro-cid-slowiehy]{padding-left:var(--space-md);padding-right:var(--space-md)}}