body{color:#14213d;background:#f8fafc;margin:0;font-family:Inter,system-ui,-apple-system,sans-serif}.chapter-questions-page[data-astro-cid-cwrbonny]{min-height:80vh}.practice-navbar[data-astro-cid-cwrbonny]{backdrop-filter:blur(10px);z-index:50;background:#fffffff2;border-bottom:1px solid #e2e8f0;width:100%;position:sticky;top:0}.nav-container[data-astro-cid-cwrbonny]{justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);height:76px;margin:0 auto;display:flex}.brand[data-astro-cid-cwrbonny]{color:inherit;align-items:center;gap:12px;text-decoration:none;display:flex}.brand-logo[data-astro-cid-cwrbonny]{border:2px solid #f4c430;border-radius:50%;width:44px;height:44px}.brand-name[data-astro-cid-cwrbonny]{font-size:18px;font-weight:850}.brand-tagline[data-astro-cid-cwrbonny]{color:#64748b;font-size:11px}.nav-links[data-astro-cid-cwrbonny]{gap:24px;display:flex}.nav-links[data-astro-cid-cwrbonny] a[data-astro-cid-cwrbonny]{color:#475569;font-size:14px;font-weight:650;text-decoration:none}.nav-links[data-astro-cid-cwrbonny] a[data-astro-cid-cwrbonny]:hover{color:#d97706}.chapter-hero[data-astro-cid-cwrbonny].gold-theme{background:linear-gradient(#fff 0%,#fffbe6 100%);border-bottom:1px solid #fcd34d;padding:50px 0 36px}.hero-container[data-astro-cid-cwrbonny]{width:min(1080px,100% - 40px);margin:0 auto}.breadcrumb[data-astro-cid-cwrbonny]{color:#64748b;align-items:center;gap:8px;margin-bottom:16px;font-size:13px;font-weight:700;display:flex}.breadcrumb[data-astro-cid-cwrbonny] a[data-astro-cid-cwrbonny]{color:#d97706;text-decoration:none}.breadcrumb-dot[data-astro-cid-cwrbonny]{background:#cbd5e1;border-radius:50%;width:4px;height:4px}.active-crumb[data-astro-cid-cwrbonny]{color:#1e293b}.chapter-badge[data-astro-cid-cwrbonny].gold{color:#b45309;letter-spacing:.5px;background:#fef3c7;border-radius:99px;margin-bottom:12px;padding:4px 12px;font-size:11px;font-weight:850;display:inline-block}.chapter-hero[data-astro-cid-cwrbonny] h1[data-astro-cid-cwrbonny]{color:#0f172a;margin:0 0 12px;font-size:36px;font-weight:850;line-height:1.25}.gold-text[data-astro-cid-cwrbonny]{color:#d97706}.hero-desc[data-astro-cid-cwrbonny]{color:#475569;max-width:800px;margin:0;font-size:16px;line-height:1.6}.questions-section[data-astro-cid-cwrbonny]{padding:50px 0}.questions-container[data-astro-cid-cwrbonny]{width:min(1080px,100% - 40px);margin:0 auto}.questions-grid[data-astro-cid-cwrbonny]{flex-direction:column;gap:28px;display:flex}.q-card[data-astro-cid-cwrbonny]{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:28px;box-shadow:0 4px 16px #00000008}.q-header[data-astro-cid-cwrbonny]{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.q-meta[data-astro-cid-cwrbonny]{align-items:center;gap:10px;display:flex}.q-number[data-astro-cid-cwrbonny]{color:#d97706;background:#fef3c7;border-radius:8px;padding:4px 12px;font-size:16px;font-weight:850}.q-type-badge[data-astro-cid-cwrbonny]{color:#475569;background:#f1f5f9;border-radius:6px;padding:4px 10px;font-size:12px;font-weight:750}.q-type-badge[data-astro-cid-cwrbonny].gold{color:#b45309;background:#fffbe6;border:1px solid #fcd34d}.q-marks-badge[data-astro-cid-cwrbonny]{color:#059669;background:#ecfdf5;border-radius:6px;padding:4px 10px;font-size:13px;font-weight:750}.q-text[data-astro-cid-cwrbonny]{color:#1e293b;margin:0 0 16px;font-size:18px;font-weight:750;line-height:1.5}.diagram-wrapper[data-astro-cid-cwrbonny]{background:#fff;border:1px solid #e2e8f0;border-radius:12px;justify-content:center;align-items:center;margin:16px 0;padding:16px;display:flex;box-shadow:0 2px 8px #0000000a}.diagram-wrapper[data-astro-cid-cwrbonny] svg{max-width:100%;height:auto;display:block}.options-grid[data-astro-cid-cwrbonny]{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px;display:grid}@media (width<=640px){.options-grid[data-astro-cid-cwrbonny]{grid-template-columns:repeat(1,minmax(0,1fr))}}.option-btn[data-astro-cid-cwrbonny]{color:#1e293b;cursor:pointer;text-align:left;background:#f8fafc;border:1.5px solid #cbd5e1;border-radius:12px;justify-content:space-between;align-items:center;width:100%;padding:14px 16px;font-size:14.5px;font-weight:650;transition:all .2s;display:flex}.option-btn[data-astro-cid-cwrbonny]:hover{background:#fffbe6;border-color:#d97706}.option-btn[data-astro-cid-cwrbonny].selected-correct{color:#065f46;background:#ecfdf5;border-color:#10b981}.option-btn[data-astro-cid-cwrbonny].selected-wrong{color:#991b1b;background:#fef2f2;border-color:#ef4444}.feedback-badge[data-astro-cid-cwrbonny]{border-radius:6px;padding:2px 8px;font-size:12px;font-weight:800}.selected-correct[data-astro-cid-cwrbonny] .feedback-badge[data-astro-cid-cwrbonny]{color:#fff;background:#10b981}.selected-wrong[data-astro-cid-cwrbonny] .feedback-badge[data-astro-cid-cwrbonny]{color:#fff;background:#ef4444}.hidden[data-astro-cid-cwrbonny]{display:none!important}.q-footer[data-astro-cid-cwrbonny]{border-top:1px dashed #e2e8f0;margin-top:20px;padding-top:16px}.toggle-sol-btn[data-astro-cid-cwrbonny]{color:#334155;cursor:pointer;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:10px;align-items:center;gap:8px;padding:10px 18px;font-size:13.5px;font-weight:750;transition:all .2s;display:inline-flex}.toggle-sol-btn[data-astro-cid-cwrbonny]:hover{color:#0f172a;background:#e2e8f0}.sol-container[data-astro-cid-cwrbonny]{background:#fffbe6;border:1px solid #fcd34d;border-radius:12px;margin-top:16px;padding:16px}.answer-box[data-astro-cid-cwrbonny]{color:#92400e;margin-bottom:10px;font-size:14.5px}.sol-box[data-astro-cid-cwrbonny]{color:#334155;font-size:14px;line-height:1.6}.sol-box[data-astro-cid-cwrbonny] p[data-astro-cid-cwrbonny]{margin:6px 0 0}.footer[data-astro-cid-cwrbonny]{color:#fff;background:#0d172b;padding:60px 0 25px}.footer-container[data-astro-cid-cwrbonny]{justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);margin:0 auto;display:flex}.footer-brand[data-astro-cid-cwrbonny]{align-items:center;gap:12px;display:flex}.footer-brand[data-astro-cid-cwrbonny] img[data-astro-cid-cwrbonny]{border:2px solid #f4c430;border-radius:50%;width:50px;height:50px}.footer-brand[data-astro-cid-cwrbonny] div[data-astro-cid-cwrbonny]{flex-direction:column;display:flex}.footer-links[data-astro-cid-cwrbonny]{gap:24px;display:flex}.footer-links[data-astro-cid-cwrbonny] a[data-astro-cid-cwrbonny]{color:#94a3b8;font-size:14px;text-decoration:none}.footer-links[data-astro-cid-cwrbonny] a[data-astro-cid-cwrbonny]:hover{color:#fff}.footer-bottom[data-astro-cid-cwrbonny]{color:#64748b;border-top:1px solid #ffffff1a;width:min(1180px,100% - 40px);margin:30px auto 0;padding-top:20px;font-size:13px}