:root{--bg:#262421;--bg2:#1f1d1b;--card:#312e2b;--line:#423f3b;--txt:#ece9e4;--mut:#9d978f;--green:#5d9948;--greenH:#6fb058;--orange:#ff6a13;--red:#d9534f}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--txt);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}input,select,textarea{font:inherit;color:var(--txt);background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:10px;width:100%}.app{display:flex;min-height:100vh}.main{flex:1;min-width:0;padding:16px 24px 32px;max-width:1280px}.side{width:76px;background:var(--bg2);display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 0;position:sticky;top:0;height:100vh;border-right:1px solid var(--line)}.sideLogo{width:46px;height:46px;border-radius:12px;margin-bottom:12px}.sideItem{position:relative;width:64px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 0;border-radius:10px;color:var(--mut);background:none;border:0;font-size:10px}.sideItem:hover{background:var(--card);color:var(--txt)}.sideItem.on{background:var(--card);color:var(--txt);box-shadow:inset 3px 0 0 var(--orange)}.soon{opacity:.55}.dot{position:absolute;top:6px;right:12px;width:7px;height:7px;border-radius:50%;background:var(--orange)}.bottom{display:none}.topbar{display:flex;align-items:center;gap:10px;margin-bottom:12px}.topIcon{display:none;width:32px;height:32px;border-radius:8px}.topTitle{display:none;font-weight:800}.topbar .chip{margin-left:auto}.mobileOnly{display:none}.pageHead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:4px 0 16px;flex-wrap:wrap}h1{display:flex;align-items:center;gap:10px;font-size:22px;margin:0}h2{margin:8px 0}h3{margin:0 0 12px;font-size:15px;color:var(--mut)}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}.chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:13px;color:var(--mut)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:10px 16px;border:1px solid var(--line);background:var(--card);font-weight:700}.btn.primary{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 3px #3f6e30}.btn.primary:hover{background:var(--greenH)}.btn.ghost{background:transparent}.btn:disabled{opacity:.6;cursor:not-allowed}.iconBtn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--txt)}.iconBtn.big{background:var(--green);border-color:var(--green);width:56px}.muted{color:var(--mut)}.small{font-size:13px}.pad{padding:8px}.green{color:var(--greenH)}.red{color:var(--red)}.orange{color:var(--orange)}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(circle at 50% 0,#3a2a1e,var(--bg) 60%)}.loginCard{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:14px;text-align:center}.loginLogo{width:100%;border-radius:10px}.google{background:#fff;color:#333;width:100%}.google em{font-size:11px;background:var(--orange);color:#fff;border-radius:6px;padding:2px 6px;font-style:normal}.divider{display:flex;align-items:center;gap:10px;color:var(--mut);font-size:12px;text-transform:uppercase}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.demoRow{display:grid;grid-template-columns:1fr 1fr;gap:10px}.demoRow .btn{padding:14px}.formCard{display:flex;flex-direction:column;gap:10px}.cat{padding:0;overflow:hidden}.cat.over{outline:2px dashed var(--green)}.catHead{display:flex;align-items:center;gap:8px;width:100%;padding:14px;background:none;border:0;text-align:left;font-weight:700;font-size:16px}.catName{flex:1}.count{font-size:12px;background:var(--bg2);border-radius:999px;padding:2px 8px;color:var(--mut)}.catBody{border-top:1px solid var(--line)}.lessonRow{display:flex;align-items:center;gap:8px;padding:6px 14px;border-bottom:1px solid var(--line)}.lessonRow:hover{background:#3a3633}.grip{color:var(--mut);cursor:grab;flex:none}.lessonLink{flex:1;display:flex;align-items:center;gap:10px;padding:8px 0;min-width:0}select.mini{width:auto;max-width:130px;padding:6px;font-size:12px}.reviewRow{display:flex;align-items:center;gap:8px;padding:12px 14px;color:var(--orange);font-weight:700}.lessonGrid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}.boardWrap{width:100%;display:flex;justify-content:center}.side2{display:flex;flex-direction:column;gap:12px;margin:0}.comment{min-height:48px;background:var(--bg2);border-radius:8px;padding:10px;line-height:1.4}.moves{display:flex;flex-wrap:wrap;gap:2px;align-items:center;max-height:260px;overflow:auto}.mv{background:none;border:0;padding:4px 6px;border-radius:6px;font-weight:600}.mv:hover{background:var(--bg2)}.mv.on{background:var(--orange);color:#fff}.par{color:var(--mut)}.ctrl{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.prompt{font-size:20px}.status{display:flex;align-items:center;gap:8px;padding:12px;border-radius:8px;background:var(--bg2);font-weight:700}.status.ok{background:#2f4a26;color:#bfe8ad}.status.wrong{background:#4a2626;color:#f2b8b5}.status.shown{background:#4a3a20;color:#f5d39a}.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px;text-align:center}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{display:flex;flex-direction:column;align-items:center;gap:4px}.stat b{font-size:24px}.stat span{color:var(--mut);font-size:12px}.stat svg{color:var(--orange)}.bar{display:grid;grid-template-columns:140px 1fr 48px 30px;gap:10px;align-items:center;margin:8px 0}.track{height:10px;background:var(--bg2);border-radius:99px;overflow:hidden}.track div{height:100%;background:var(--green)}.cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}table{width:100%;border-collapse:collapse;font-size:13px}td{padding:6px 4px;border-bottom:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}.tile{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 8px;margin:0;font-weight:700}.soonTag{font-size:11px;background:var(--orange);color:#fff;border-radius:6px;padding:2px 6px;font-style:normal}@media (max-width:900px){.side{display:none}.main{padding:10px 12px 84px}.topIcon,.topTitle,.mobileOnly{display:inline-flex}.bottom{display:flex;position:fixed;left:0;right:0;bottom:0;height:64px;background:var(--bg2);border-top:1px solid var(--line);z-index:10;padding-bottom:env(safe-area-inset-bottom)}.botItem{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--mut)}.botItem.on{color:var(--txt);box-shadow:inset 0 3px 0 var(--orange)}.lessonGrid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.cols{grid-template-columns:1fr}.bar{grid-template-columns:100px 1fr 40px 24px}h1{font-size:19px}}