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#0000001a}.worksheet-hero__title[data-astro-cid-pirn3bed]{font-size:2.5rem;color:#1f2937;margin-bottom:16px;line-height:1.2}.worksheet-hero__badges[data-astro-cid-pirn3bed]{display:flex;gap:12px;margin-bottom:32px;flex-wrap:wrap}.badge[data-astro-cid-pirn3bed]{padding:6px 12px;border-radius:8px;font-size:14px;font-weight:600}.badge-grade[data-astro-cid-pirn3bed]{background:#dbeafe;color:#1e40af}.badge-subject[data-astro-cid-pirn3bed]{background:#fce7f3;color:#9f1239}.badge-count[data-astro-cid-pirn3bed]{background:#f3e8ff;color:#6b21a8}.badge-free[data-astro-cid-pirn3bed]{background:#d1fae5;color:#065f46}.ws-trust-bar[data-astro-cid-pirn3bed]{display:flex;gap:20px;flex-wrap:wrap;margin-top:12px;font-size:.82rem;font-family:Nunito,sans-serif;font-weight:700;color:#374151}.ws-trust-bar[data-astro-cid-pirn3bed] span[data-astro-cid-pirn3bed]{display:flex;align-items:center;gap:5px}.ws-trust-bar[data-astro-cid-pirn3bed] 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#00000026}.preview-gallery[data-astro-cid-pirn3bed]{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,300px));gap:24px}.preview-card[data-astro-cid-pirn3bed]{display:block;background:#fff;border:2px solid #e5e7eb;border-radius:12px;padding:0;overflow:hidden;text-decoration:none;color:inherit;transition:all .3s ease}.preview-card[data-astro-cid-pirn3bed]:hover{border-color:#4661eb;box-shadow:0 4px 12px #0000001a;transform:translateY(-4px)}.preview-card__image[data-astro-cid-pirn3bed]{width:100%;aspect-ratio:8.5 / 11;object-fit:cover;border-radius:8px;background:#f8fafc}.preview-html[data-astro-cid-pirn3bed]{width:100%;aspect-ratio:8.5 / 11;overflow:hidden;position:relative;background:#fff}.preview-html__inner[data-astro-cid-pirn3bed]{width:167%;transform:scale(.6);transform-origin:top 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#bfdbfe}.preview-split[data-astro-cid-pirn3bed]{display:grid;grid-template-columns:1fr 300px;gap:0;align-items:start;margin:0 -48px -48px;border-top:1px solid #f3f4f6}.preview-split__main[data-astro-cid-pirn3bed]{min-width:0;padding:24px 0 48px 48px}.preview-split__sidebar[data-astro-cid-pirn3bed]{display:flex;flex-direction:column;gap:24px;position:sticky;top:24px;padding:24px 48px 48px 24px;border-left:1px solid #f3f4f6}.k5-included-grid[data-astro-cid-pirn3bed]{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:24px}.k5-included-item[data-astro-cid-pirn3bed]{display:flex;align-items:flex-start;gap:12px;padding:16px;background:#f9fafb;border-radius:8px;border-left:4px solid #10b981}.k5-included-item[data-astro-cid-pirn3bed] i[data-astro-cid-pirn3bed]{color:#10b981;font-size:1.2rem;margin-top:2px;flex-shrink:0}.k5-included-item[data-astro-cid-pirn3bed] span[data-astro-cid-pirn3bed]{color:#6b7280;line-height:1.6}.k5-included-item[data-astro-cid-pirn3bed] strong[data-astro-cid-pirn3bed]{color:#1f2937}.k5-skills-grid[data-astro-cid-pirn3bed]{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.k5-skill-tag[data-astro-cid-pirn3bed]{background:#f9fafb;color:#1f2937;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;border:1px solid #e5e7eb}.faq-accordion-list[data-astro-cid-pirn3bed]{display:flex;flex-direction:column;gap:0}.faq-accordion[data-astro-cid-pirn3bed]{border-bottom:1px solid #e5e7eb}.faq-accordion[data-astro-cid-pirn3bed]:last-child{border-bottom:none}.faq-accordion__question[data-astro-cid-pirn3bed]{display:flex;align-items:center;justify-content:space-between;padding:20px 0;font-size:1.1rem;font-weight:600;color:#1f2937;cursor:pointer;list-style:none;user-select:none;transition:color .2s}.faq-accordion__question[data-astro-cid-pirn3bed]::-webkit-details-marker{display:none}.faq-accordion__question[data-astro-cid-pirn3bed]:after{content:"";width:10px;height:10px;border-right:2px solid #6b7280;border-bottom:2px solid #6b7280;transform:rotate(45deg);transition:transform .3s ease;flex-shrink:0;margin-left:16px}.faq-accordion[data-astro-cid-pirn3bed][open]>.faq-accordion__question[data-astro-cid-pirn3bed]:after{transform:rotate(-135deg)}.faq-accordion__question[data-astro-cid-pirn3bed]:hover{color:#4661eb}.faq-accordion__answer[data-astro-cid-pirn3bed]{padding:0 0 20px}.faq-accordion__answer[data-astro-cid-pirn3bed] p[data-astro-cid-pirn3bed]{color:#6b7280;line-height:1.7;margin:0}.related-grid[data-astro-cid-pirn3bed]{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:24px}.related-card[data-astro-cid-pirn3bed]{border:1px solid #e5e7eb;border-radius:12px;padding:24px;background:#fff;transition:all .3s ease}.related-card[data-astro-cid-pirn3bed]:hover{border-color:#4661eb;box-shadow:0 4px 12px #0000001a;transform:translateY(-4px)}.related-card__title[data-astro-cid-pirn3bed]{font-size:1.1rem;font-weight:600;color:#1f2937;margin:0 0 12px}.related-card__desc[data-astro-cid-pirn3bed]{font-size:.9rem;color:#6b7280;line-height:1.6;margin:0 0 16px}.related-card__link[data-astro-cid-pirn3bed]{color:#4661eb;text-decoration:none;font-weight:600;font-size:.95rem;display:inline-flex;align-items:center;gap:6px;transition:color .2s}.related-card__link[data-astro-cid-pirn3bed]:hover{color:#3651db}@media (max-width: 768px){.topic-content-wrapper[data-astro-cid-pirn3bed]{padding:0 16px}.topic-tile[data-astro-cid-pirn3bed],.worksheet-hero[data-astro-cid-pirn3bed]{padding:24px}.worksheet-hero__title[data-astro-cid-pirn3bed]{font-size:1.8rem}.worksheet-hero__actions[data-astro-cid-pirn3bed]{flex-direction:column;width:100%}.btn[data-astro-cid-pirn3bed]{width:100%;justify-content:center}.preview-split[data-astro-cid-pirn3bed]{grid-template-columns:1fr;gap:0;margin:0 -24px -24px;border-top:1px solid #f3f4f6}.preview-split__main[data-astro-cid-pirn3bed]{padding:16px 0 24px}.preview-split__sidebar[data-astro-cid-pirn3bed]{position:static;padding:16px;border-left:none;border-top:1px solid #f3f4f6}.preview-gallery[data-astro-cid-pirn3bed]{grid-template-columns:1fr;gap:16px}.topic-tile__title[data-astro-cid-pirn3bed]{font-size:1.4rem;margin-bottom:16px}.topic-tile__subtitle[data-astro-cid-pirn3bed]{font-size:1.1rem;margin:16px 0 10px}.topic-tile__text[data-astro-cid-pirn3bed]{font-size:.9rem}.topic-tile__list[data-astro-cid-pirn3bed]{margin:10px 0;padding-left:18px}.topic-tile__list[data-astro-cid-pirn3bed] li[data-astro-cid-pirn3bed]{margin-bottom:8px;font-size:.9rem;line-height:1.5}.k5-skills-grid[data-astro-cid-pirn3bed]{gap:8px}.k5-skill-tag[data-astro-cid-pirn3bed]{padding:6px 12px;font-size:.82rem}.k5-included-grid[data-astro-cid-pirn3bed],.related-grid[data-astro-cid-pirn3bed]{grid-template-columns:1fr}.cta-ad-box[data-astro-cid-pirn3bed]{max-width:300px;height:250px;padding:24px}.cta-ad-box__title[data-astro-cid-pirn3bed]{font-size:1.3rem}.cta-ad-box__text[data-astro-cid-pirn3bed]{font-size:.9rem}.cta-ad-box[data-astro-cid-pirn3bed] .btn-primary[data-astro-cid-pirn3bed]{padding:12px 24px;font-size:.9rem}}.preview-html__inner .sa-page{padding:18px 14px 22px!important;box-shadow:none!important;border-radius:0!important;border:none!important;max-width:none!important;width:100%!important;margin:0!important}.preview-html__inner .sa-logo-img{width:28px!important;height:28px!important}.preview-html__inner .sa-ws-title{font-size:.88rem!important;margin-bottom:2px!important}.preview-html__inner .sa-page-header{gap:8px!important;padding-bottom:8px!important;margin-bottom:10px!important}.preview-html__inner .sa-header-meta{gap:8px!important;flex-wrap:nowrap!important}.preview-html__inner .sa-field{font-size:.75rem!important}.preview-html__inner .sa-field-line{min-width:40px!important}.preview-html__inner .sa-section-title{font-size:.82rem!important;margin:12px 0 4px!important}.preview-html__inner .sa-section-instr{font-size:.75rem!important}.preview-html__inner .sa-q{font-size:.82rem!important}.preview-html__inner .sa-stack-grid{grid-template-columns:repeat(2,1fr)!important;gap:10px 14px!important}.preview-html__inner .sa-trace-grid{grid-template-columns:repeat(2,1fr)!important;gap:3px 12px!important}.preview-html__inner .sa-trace-model{font-size:1.2rem!important;min-width:28px!important;white-space:nowrap!important;flex-shrink:0!important}.preview-html__inner .sa-trace-box{width:28px!important;height:28px!important}.preview-html__inner .sa-trace-boxes{gap:3px!important}.preview-html__inner .sa-match-grid{gap:4px!important;margin:4px 0!important}.preview-html__inner .sa-match-left,.preview-html__inner .sa-match-right{font-size:.75rem!important;padding:3px 6px!important}.preview-html__inner .sa-match-arrow{font-size:.75rem!important}.topic-tile--intro[data-astro-cid-pirn3bed]{border-left:4px solid #4661EB;padding:28px 40px;position:relative}.topic-intro[data-astro-cid-pirn3bed]{font-size:1.05rem;line-height:1.8;color:#374151;margin:0 0 14px}.topic-intro[data-astro-cid-pirn3bed]:last-child{margin-bottom:0}.topic-intro-collapsed[data-astro-cid-pirn3bed]{max-height:16em;overflow:hidden;position:relative;transition:max-height .4s ease}.topic-intro-collapsed[data-astro-cid-pirn3bed]:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3em;background:linear-gradient(transparent,#fff);pointer-events:none;transition:opacity .3s}.topic-tile--intro[data-astro-cid-pirn3bed].expanded .topic-intro-collapsed[data-astro-cid-pirn3bed]{max-height:4000px}.topic-tile--intro[data-astro-cid-pirn3bed].expanded .topic-intro-collapsed[data-astro-cid-pirn3bed]:after{opacity:0}.topic-intro-toggle[data-astro-cid-pirn3bed]{display:inline-flex;align-items:center;gap:4px;margin-top:8px;padding:0;border:none;background:none;color:#4661eb;font-weight:500;font-size:.95rem;cursor:pointer;font-family:inherit;transition:color .2s}.topic-intro-toggle[data-astro-cid-pirn3bed]:hover{color:#3148c7}.topic-intro-toggle[data-astro-cid-pirn3bed] .toggle-icon[data-astro-cid-pirn3bed]{font-size:.7rem;transition:transform .3s}.topic-tile--intro[data-astro-cid-pirn3bed].expanded .toggle-icon[data-astro-cid-pirn3bed]{transform:rotate(180deg)}.topic-mistakes-list[data-astro-cid-pirn3bed]{list-style:none;margin:0;padding:0}.topic-mistakes-list[data-astro-cid-pirn3bed] li[data-astro-cid-pirn3bed]{display:flex;align-items:flex-start;gap:10px;padding:12px 0;border-bottom:1px solid #f3f4f6;color:#374151;font-size:.95rem;line-height:1.6}.topic-mistakes-list[data-astro-cid-pirn3bed] li[data-astro-cid-pirn3bed]:last-child{border-bottom:none}.topic-mistakes-list[data-astro-cid-pirn3bed] i[data-astro-cid-pirn3bed]{color:#f59e0b;margin-top:3px;flex-shrink:0}