.GrammarDrill_container__GPQZd{max-width:800px;margin:2rem auto 4rem;padding:0 2rem}.GrammarDrill_header__SBNdQ{text-align:center;margin-bottom:3rem;padding-bottom:2rem;border-bottom:1px solid var(--color-border)}.GrammarDrill_header__SBNdQ h1{font-family:var(--font-serif);font-size:3rem;margin-bottom:1rem}.GrammarDrill_levelPill__1djsN{display:inline-block;padding:.3rem .8rem;border-radius:16px;font-size:.85rem;font-weight:600;background-color:var(--color-bg-panel);color:var(--color-text-secondary)}.GrammarDrill_lessonSection__LdRls{display:grid;grid-template-columns:1fr;grid-gap:2rem;gap:2rem;margin-bottom:4rem}.GrammarDrill_explanationContent__nn9v6{color:var(--color-text-secondary);font-size:1.1rem;line-height:1.8}.GrammarDrill_explanationContent__nn9v6 h2,.GrammarDrill_explanationContent__nn9v6 h3{font-family:var(--font-serif);color:var(--color-text-primary);margin-top:2rem;margin-bottom:1rem}.GrammarDrill_explanationContent__nn9v6 strong{color:var(--color-text-primary)}.GrammarDrill_importanceBox__07yIn{background-color:var(--color-bg-card);border:1px solid var(--color-border);border-left:4px solid var(--color-accent);padding:1.5rem;border-radius:8px}.GrammarDrill_importanceBox__07yIn h3{margin-top:0;color:var(--color-text-primary)}.GrammarDrill_importanceBox__07yIn p{margin-bottom:0;color:var(--color-text-secondary)}.GrammarDrill_quizContainer__JDhcS{background-color:var(--color-bg-panel);padding:2rem;border-radius:12px;border:1px solid var(--color-border)}.GrammarDrill_progressIndicator__OFoPy{text-align:right;font-size:.9rem;color:var(--color-text-muted);margin-bottom:1rem}.GrammarDrill_prompt__op6rw{font-size:1.5rem;font-weight:600;margin-bottom:2rem;text-align:center}.GrammarDrill_optionsGrid__3TxQ9{display:grid;grid-template-columns:1fr;grid-gap:1rem;gap:1rem}.GrammarDrill_optionButton__EHeUK{width:100%;padding:1rem;font-size:1rem;font-weight:500;text-align:left;background-color:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:8px;cursor:pointer;transition:all .2s ease}.GrammarDrill_optionButton__EHeUK:hover{border-color:var(--color-accent)}.GrammarDrill_optionButton__EHeUK.GrammarDrill_selected__ms5_S{border-color:var(--color-accent-blue);background-color:rgba(59,130,246,.1)}.GrammarDrill_optionButton__EHeUK.GrammarDrill_correct__wiDuB{border-color:var(--color-accent-green);background-color:rgba(34,197,94,.1);color:var(--color-accent-green);font-weight:700}.GrammarDrill_optionButton__EHeUK.GrammarDrill_incorrect__WHbIP{border-color:var(--color-accent);background-color:rgba(225,29,72,.1);color:var(--color-accent);font-weight:700}.GrammarDrill_quizActions__QZMKj{margin-top:2rem;text-align:center}.GrammarDrill_checkButton__B3Bvm,.GrammarDrill_nextButton__yjU6W{background-color:var(--color-accent);color:#fff;padding:.8rem 2.5rem;border-radius:8px;text-decoration:none;font-weight:600;border:none;cursor:pointer;transition:background-color .2s ease}.GrammarDrill_checkButton__B3Bvm:disabled{background-color:var(--color-bg-card);cursor:not-allowed;opacity:.5}.GrammarDrill_explanationBox__jSTUV{margin-top:2rem;padding:1.5rem;border-radius:8px;display:flex;align-items:center;gap:1rem}.GrammarDrill_explanationBox__jSTUV p{margin:0;line-height:1.6}.GrammarDrill_explanationCorrect__clPNN{background-color:rgba(34,197,94,.1);color:#34D399}.GrammarDrill_explanationIncorrect__6LtXU{background-color:rgba(225,29,72,.1);color:#F87171}.GrammarDrill_ctaCard__OTu4a{background-color:var(--color-bg-panel);padding:2.5rem;border-radius:12px;border:1px solid var(--color-accent);text-align:center}.GrammarDrill_ctaCard__OTu4a h3{font-size:1.75rem;margin-top:0}.GrammarDrill_ctaCard__OTu4a p{color:var(--color-text-secondary);line-height:1.7;margin-bottom:2rem}.GrammarDrill_ctaButton__G1Vh2{background-color:var(--color-accent);color:#fff;padding:1rem 2.5rem;border-radius:8px;text-decoration:none;font-weight:600}.GrammarDrill_quizImageWrapper__8IKKI{margin:0 auto 1.5rem;max-width:300px;border-radius:8px;overflow:hidden}@media (min-width:768px){.GrammarDrill_lessonSection__LdRls{grid-template-columns:2fr 1fr}.GrammarDrill_optionsGrid__3TxQ9{grid-template-columns:1fr 1fr}}.Navigation_breadcrumbs__XCrBu{margin-bottom:2rem;font-size:.9rem}.Navigation_breadcrumbs__XCrBu ol{list-style:none;padding:0;margin:0;display:flex;align-items:center;flex-wrap:wrap}.Navigation_breadcrumbs__XCrBu li{color:var(--color-text-secondary)}.Navigation_breadcrumbs__XCrBu li:not(:last-child):after{content:"/";margin:0 .75rem;color:var(--color-border)}.Navigation_breadcrumbs__XCrBu a{color:var(--color-text-secondary);text-decoration:none;transition:color .2s ease}.Navigation_breadcrumbs__XCrBu a:hover{color:var(--color-accent)}.Navigation_breadcrumbs__XCrBu span[aria-current=page]{color:var(--color-text-primary);font-weight:500}.Navigation_drillNavigation__rT5hA{display:flex;justify-content:space-between;gap:1rem;margin-top:4rem;padding-top:2rem;border-top:1px solid var(--color-border)}.Navigation_navLink__7db7P{display:flex;flex-direction:column;padding:1rem 1.5rem;border:1px solid var(--color-border);border-radius:8px;text-decoration:none;transition:all .2s ease;flex-basis:48%}.Navigation_navLink__7db7P:hover{border-color:var(--color-accent);background-color:var(--color-bg-panel)}.Navigation_navLink__7db7P span{font-size:.9rem;color:var(--color-text-secondary);margin-bottom:.25rem}.Navigation_navLink__7db7P strong{font-size:1.1rem;color:var(--color-text-primary)}.Navigation_nextLink__1HPVs{text-align:right}.Navigation_levelSwitcher__p6e6v{display:flex;justify-content:center;gap:.5rem;margin-bottom:3rem;padding-bottom:3rem;border-bottom:1px solid var(--color-border)}.Navigation_levelLink__xUKfq{padding:.5rem 1rem;font-weight:600;text-decoration:none;border-radius:8px;color:var(--color-text-secondary);border:2px solid transparent;transition:all .2s ease}.Navigation_levelLink__xUKfq:hover{color:var(--color-text-primary);background-color:var(--color-bg-panel)}.Navigation_levelLinkActive__tShb9{color:var(--color-accent);border-color:var(--color-accent);background-color:rgba(225,29,72,.1)}