.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}