.auth-gate[data-astro-cid-u6tpajqw]{max-width:720px;margin-inline:auto;padding-inline:var(--space-6);padding-block:var(--space-8)}@media(max-width:768px){.auth-gate[data-astro-cid-u6tpajqw]{padding-inline:var(--space-4);padding-block:var(--space-6)}}.auth-gate-content[data-astro-cid-u6tpajqw] h1[data-astro-cid-u6tpajqw]{margin-bottom:var(--space-6)}.auth-gate-teaser[data-astro-cid-u6tpajqw]{color:var(--color-text-muted);line-height:1.7;margin-bottom:var(--space-8)}.auth-gate-card[data-astro-cid-u6tpajqw]{text-align:center;border-top:3px solid var(--color-primary)}.auth-gate-message[data-astro-cid-u6tpajqw]{color:var(--color-text-muted);margin-bottom:var(--space-6);max-width:44ch;margin-inline:auto;line-height:1.6}.auth-gate-card[data-astro-cid-u6tpajqw] .btn[data-astro-cid-u6tpajqw]{margin-inline:auto}.chapter-footer[data-astro-cid-hct7it7f]{margin-top:2rem;padding-top:2rem;border-top:1px solid var(--color-border)}.chapter-complete-bar[data-astro-cid-hct7it7f]{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);margin-bottom:var(--space-8)}.chapter-complete-btn[data-astro-cid-hct7it7f]{display:inline-flex;align-items:center;gap:var(--space-2);padding:.75rem 2rem;font-size:var(--font-size-base);min-height:48px;transition:background-color var(--transition),transform var(--transition),opacity var(--transition)}.chapter-complete-btn[data-astro-cid-hct7it7f]:hover:not(:disabled){transform:translateY(-1px)}.chapter-complete-btn[data-astro-cid-hct7it7f].is-completed{background-color:var(--color-success);border-color:var(--color-success);cursor:default}.chapter-complete-btn[data-astro-cid-hct7it7f].is-saving{opacity:.7;cursor:wait}.complete-btn-default[data-astro-cid-hct7it7f],.complete-btn-done[data-astro-cid-hct7it7f]{display:inline-flex;align-items:center;gap:var(--space-2)}.quiz-gate-hint[data-astro-cid-hct7it7f]{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:0;transition:opacity var(--transition)}.save-error[data-astro-cid-hct7it7f]{font-size:var(--font-size-sm);color:var(--color-error);font-weight:500;margin:0}.chapter-quiz[data-astro-cid-yi6s3izo]{background:var(--color-bg-white);border:1px solid var(--color-border);border-top:3px solid var(--color-primary);border-radius:var(--radius-lg);padding:var(--space-8) var(--space-6);margin-top:3rem}.quiz-header[data-astro-cid-yi6s3izo]{margin-bottom:var(--space-6)}.quiz-title[data-astro-cid-yi6s3izo]{font-size:var(--font-size-lg);font-weight:700;margin:0 0 var(--space-2)}.quiz-subtitle[data-astro-cid-yi6s3izo]{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:0}.quiz-questions[data-astro-cid-yi6s3izo]{display:flex;flex-direction:column;gap:var(--space-8)}.quiz-question-text[data-astro-cid-yi6s3izo]{font-weight:600;line-height:1.5;margin-bottom:var(--space-4)}.quiz-question-number[data-astro-cid-yi6s3izo]{color:var(--color-primary);margin-right:var(--space-1)}.quiz-options[data-astro-cid-yi6s3izo]{display:flex;flex-direction:column;gap:var(--space-2)}.quiz-option[data-astro-cid-yi6s3izo]{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;transition:background var(--transition),border-color var(--transition);line-height:1.5}.quiz-option[data-astro-cid-yi6s3izo]:hover{background:var(--color-bg);border-color:var(--color-primary)}.quiz-option[data-astro-cid-yi6s3izo].is-selected{border-color:var(--color-primary);background:color-mix(in srgb,var(--color-primary) 5%,transparent)}.quiz-option[data-astro-cid-yi6s3izo].is-correct{border-color:var(--color-success);background:color-mix(in srgb,var(--color-success) 8%,transparent)}.quiz-option[data-astro-cid-yi6s3izo].is-incorrect{border-color:var(--color-error);background:color-mix(in srgb,var(--color-error) 5%,transparent)}.quiz-option[data-astro-cid-yi6s3izo].is-correct .quiz-option-marker[data-astro-cid-yi6s3izo],.quiz-option[data-astro-cid-yi6s3izo].is-incorrect .quiz-option-marker[data-astro-cid-yi6s3izo]{pointer-events:none}.quiz-radio[data-astro-cid-yi6s3izo]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.quiz-option-marker[data-astro-cid-yi6s3izo]{flex-shrink:0;width:20px;height:20px;border:2px solid var(--color-border);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:border-color var(--transition),background var(--transition);margin-top:2px}.quiz-option[data-astro-cid-yi6s3izo].is-selected .quiz-option-marker[data-astro-cid-yi6s3izo]{border-color:var(--color-primary);background:var(--color-primary)}.quiz-option[data-astro-cid-yi6s3izo].is-selected .quiz-option-marker[data-astro-cid-yi6s3izo]:after{content:"";width:8px;height:8px;border-radius:50%;background:#fff}.quiz-option[data-astro-cid-yi6s3izo].is-correct .quiz-option-marker[data-astro-cid-yi6s3izo]{border-color:var(--color-success);background:var(--color-success)}.quiz-option[data-astro-cid-yi6s3izo].is-correct .quiz-option-marker[data-astro-cid-yi6s3izo]:after{content:"✓";color:#fff;font-size:12px;font-weight:700;width:auto;height:auto;border-radius:0;background:none}.quiz-option[data-astro-cid-yi6s3izo].is-incorrect .quiz-option-marker[data-astro-cid-yi6s3izo]{border-color:var(--color-error);background:var(--color-error)}.quiz-option[data-astro-cid-yi6s3izo].is-incorrect .quiz-option-marker[data-astro-cid-yi6s3izo]:after{content:"✗";color:#fff;font-size:12px;font-weight:700;width:auto;height:auto;border-radius:0;background:none}.quiz-option-text[data-astro-cid-yi6s3izo]{font-size:var(--font-size-sm);flex:1}.quiz-feedback[data-astro-cid-yi6s3izo]{font-size:var(--font-size-sm);font-weight:500;margin-top:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm)}.quiz-feedback[data-astro-cid-yi6s3izo].is-correct{color:var(--color-success);background:color-mix(in srgb,var(--color-success) 8%,transparent)}.quiz-feedback[data-astro-cid-yi6s3izo].is-incorrect{color:var(--color-error);background:color-mix(in srgb,var(--color-error) 5%,transparent)}.quiz-actions[data-astro-cid-yi6s3izo]{margin-top:var(--space-6);display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.quiz-submit-btn[data-astro-cid-yi6s3izo]{min-width:200px}.quiz-submit-btn[data-astro-cid-yi6s3izo]:disabled{opacity:.5;cursor:not-allowed}.quiz-result[data-astro-cid-yi6s3izo]{font-size:var(--font-size-sm);font-weight:600;text-align:center}.quiz-result[data-astro-cid-yi6s3izo].is-pass{color:var(--color-success)}.quiz-result[data-astro-cid-yi6s3izo].is-fail{color:var(--color-error)}.quiz-question[data-astro-cid-yi6s3izo].is-locked .quiz-option[data-astro-cid-yi6s3izo]{cursor:default;pointer-events:none}.quiz-question[data-astro-cid-yi6s3izo].is-locked .quiz-option[data-astro-cid-yi6s3izo]:not(.is-correct):not(.is-incorrect){opacity:.5}.chapter-header{padding-block:2.5rem 2rem;border-bottom:1px solid var(--color-border);margin-bottom:2.5rem}.chapter-header .chapter-label{display:inline-block;font-size:var(--font-size-sm);font-weight:600;color:var(--color-primary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--space-3)}.chapter-header h1{margin-bottom:var(--space-3)}.chapter-header .chapter-description{font-size:var(--font-size-lg);color:var(--color-text-muted);line-height:1.5;max-width:60ch}.reading-content{max-width:720px;margin-inline:auto;padding-inline:var(--space-6);padding-block:var(--space-8)}@media(max-width:768px){.reading-content{padding-inline:var(--space-4);padding-block:var(--space-6)}}.reading-content p{line-height:1.7;margin-bottom:1.25rem;color:var(--color-text)}.reading-content h2{margin-top:2.5rem;margin-bottom:1rem}.reading-content h3{margin-top:2rem;margin-bottom:.75rem}.reading-content h4{margin-top:1.5rem;margin-bottom:.5rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:var(--font-size-sm)}.reading-content h2+p,.reading-content h3+p{margin-top:0}.reading-content a{color:var(--color-primary);text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--transition)}.reading-content a:hover{border-bottom-color:var(--color-primary)}.reading-content ul,.reading-content ol{margin-bottom:1.25rem;padding-left:1.5rem}.reading-content li{margin-bottom:.4rem;line-height:1.6}.reading-content li+li{margin-top:.25rem}.reading-content img{width:100%;border-radius:var(--radius);margin-block:1.5rem}.reading-content hr{border:none;border-top:1px solid var(--color-border);margin-block:2.5rem}.reading-content strong{font-weight:700;color:var(--color-text)}.reading-content em{font-style:italic}.reading-content code{font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:.875em;background:var(--color-border);padding:.1em .35em;border-radius:var(--radius-sm)}.reading-content pre{background:var(--color-text);color:#f0f0f0;padding:var(--space-6);border-radius:var(--radius);overflow-x:auto;margin-bottom:1.25rem;font-size:var(--font-size-sm);line-height:1.6}.reading-content pre code{background:none;padding:0;font-size:inherit;color:inherit}.reading-content blockquote{border-left:4px solid var(--color-primary);padding-left:var(--space-6);padding-block:var(--space-2);margin-block:1.75rem;margin-left:0;font-style:italic;color:var(--color-text-muted)}.reading-content blockquote p{margin-bottom:0}.reading-content blockquote cite{display:block;margin-top:var(--space-2);font-size:var(--font-size-sm);font-style:normal;font-weight:600;color:var(--color-text)}.callout{background:#eef8fa;border-left:4px solid var(--color-primary);border-radius:0 var(--radius) var(--radius) 0;padding:var(--space-4) var(--space-6);margin-block:1.75rem}.callout-title{font-size:var(--font-size-sm);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-primary);margin-bottom:var(--space-2)}.callout p{margin-bottom:0;color:var(--color-text)}.callout p+p{margin-top:var(--space-3);margin-bottom:0}.callout-team{background:#fef3f1;border-left-color:var(--color-secondary)}.callout-team .callout-title{color:var(--color-secondary)}.chapter-cta{background:var(--color-bg-white);border:1px solid var(--color-border);border-top:3px solid var(--color-primary);border-radius:var(--radius);padding:var(--space-8) var(--space-6);margin-top:3rem;text-align:center}.chapter-cta h3{margin-bottom:var(--space-3)}.chapter-cta p{color:var(--color-text-muted);margin-bottom:var(--space-6);max-width:48ch;margin-inline:auto}.chapter-cta .btn{margin-inline:auto}.chapter-nav{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);padding-top:var(--space-8);margin-top:var(--space-8);border-top:1px solid var(--color-border)}.chapter-nav-prev,.chapter-nav-next{display:flex;flex-direction:column;gap:var(--space-1);max-width:45%}.chapter-nav-next{align-items:flex-end;text-align:right}.chapter-nav .nav-label{font-size:var(--font-size-sm);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.chapter-nav a{font-weight:600;color:var(--color-primary);text-decoration:none}.chapter-nav a:hover{text-decoration:underline}@media(max-width:480px){.chapter-nav{flex-direction:column;align-items:flex-start}.chapter-nav-next{align-items:flex-start;text-align:left}}.reading-shell[data-astro-cid-zbn45rlw]{display:flex;min-height:calc(100dvh - 52px)}.reading-main[data-astro-cid-zbn45rlw]{flex:1;margin-left:260px;min-height:calc(100dvh - 52px)}@media(max-width:768px){.reading-main[data-astro-cid-zbn45rlw]{margin-left:0}}