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var(--line);border-radius:20px;background:var(--card-strong);color:var(--text);line-height:1.6}.chip-list{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px}.chip-list span,.vocab-pill{display:inline-flex;padding:8px 11px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);font-weight:850}.examples-list{display:grid;gap:10px;margin-bottom:22px}.examples-list p{margin:0;padding:14px 16px;border-radius:18px;background:color-mix(in srgb,var(--accent-2) 10%,transparent);color:var(--text)}.lesson-side-stack{position:sticky;top:104px;display:grid;gap:14px}.side-card{display:flex;flex-wrap:wrap;gap:10px;padding:18px;border-radius:26px}.side-card h3,.side-card p{flex-basis:100%}.side-card .primary-btn,.side-card .secondary-btn{width:100%;margin-top:4px}.image-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.image-strip img{width:100%;aspect-ratio:1.25;object-fit:cover;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow)}.chain-actions{display:flex;justify-content:space-between;gap:12px;padding:16px;border-radius:28px}.level-select{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.level-select a{padding:10px 12px;border:1px solid var(--line);border-radius:999px;background:var(--card-strong);font-weight:900;color:var(--muted)}.level-select a.active{color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2))}.quiz-list{display:grid;gap:14px}.quiz-card{padding:18px;border-radius:28px}.quiz-question{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start}.quiz-question b{display:grid;place-items:center;width:40px;height:40px;border-radius:14px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2))}.option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.option-btn{text-align:left;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:18px;color:var(--text);background:var(--card-strong);font-weight:750}.option-btn.picked{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.option-btn.right{border-color:var(--accent-2);background:color-mix(in srgb,var(--accent-2) 18%,var(--card-strong))}.option-btn.wrong{border-color:#ef4444;background:color-mix(in srgb,#ef4444 16%,var(--card-strong))}.answer-note{margin:12px 0 0}.sticky-result{position:sticky;bottom:94px;z-index:10;display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px;border-radius:24px}.sticky-result b{margin-right:auto}.typing-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px;padding:20px;border-radius:32px}.typing-target,.typing-box{min-width:0}.typing-target p{padding:18px;border:1px solid var(--line);border-radius:24px;background:var(--card-strong);color:var(--text);font-size:1.05rem}.typing-box textarea{min-height:260px;padding:16px;resize:vertical}.typing-stats{display:flex;justify-content:space-between;gap:10px;margin-top:12px;color:var(--accent)}.vocab-category-grid .level-card{grid-template-columns:96px 1fr}.vocab-category-grid .level-card img{width:96px;height:96px}.word-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.word-card{padding:18px;border-radius:26px}.word-card span{font-size:1.8rem}.word-card p{margin-bottom:8px;line-height:1.55}.word-card small{display:block;color:var(--accent);font-weight:850}@media (max-width: 1080px){.levels-grid,.word-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-content-grid,.typing-layout{grid-template-columns:1fr}.lesson-side-stack{position:static}.image-strip{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 860px){.desktop-nav.open{grid-template-columns:1fr;max-height:calc(100vh - 116px);overflow:auto}.desktop-nav.open a{min-height:50px}.topbar{z-index:80}.bottom-nav{grid-template-columns:repeat(5,minmax(0,1fr))}}@media (max-width: 700px){.lessons-hero,.level-hero{grid-template-columns:1fr}.lesson-dashboard-card{grid-template-columns:repeat(2,minmax(0,1fr))}.levels-grid,.word-grid{grid-template-columns:1fr}.level-card{grid-template-columns:92px 1fr;border-radius:24px}.level-card img{width:92px;height:92px;border-radius:18px}.lesson-row-card{grid-template-columns:68px 42px minmax(0,1fr)}.lesson-row-card img{width:68px;height:58px}.lesson-row-card>b{grid-column:2 / -1}.lesson-number{width:38px;height:38px;border-radius:13px}.option-grid{grid-template-columns:1fr}.image-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.chain-actions,.typing-stats{display:grid}}@media (max-width: 430px){.bottom-nav{width:calc(100% - 10px);bottom:8px;padding:6px;border-radius:20px}.bottom-nav a{min-height:52px;font-size:.6rem;padding:6px 2px}.lesson-dashboard-card div{min-height:106px;padding:14px}.lesson-dashboard-card b{font-size:2rem}.level-card{grid-template-columns:1fr}.level-card img{width:100%;height:150px}.lesson-row-card{grid-template-columns:56px minmax(0,1fr)}.lesson-row-card img{display:none}.lesson-row-card>b{grid-column:1 / -1}.image-strip{grid-template-columns:1fr}}.card-link-label{display:inline-flex;margin-top:12px;color:var(--accent);font-weight:950}.test-level-grid .level-card p{margin-bottom:10px}.word-card small{display:inline-flex;margin:6px 8px 0 0;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--card-strong);color:var(--muted);font-weight:800}@media (max-width: 560px){.card-link-label{margin-top:8px}}