:root{--bg:#f4f5f9;--panel:#ffffff;--ink:#1a1c26;--muted:#5e6274;--line:#dcdfe8;--accent:#4652c4;--accent-ink:#ffffff;--accent-soft:#e6e8fa;--ok:#1f8a3b;--ok-soft:#e1f4e5;--bad:#b4332c;--bad-soft:#fbe5e3;--warn:#9a6400;--warn-soft:#fbf0d9;--code-bg:#151726;--code-ink:#e1e3f2;--gold:#b7860b;--silver:#7d8796;--bronze:#a8643a;--f-body:"Golos Text", "Segoe UI", system-ui, sans-serif;--f-mono:"JetBrains Mono", ui-monospace, Consolas, 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i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:99px;transition:width .5s}.pl-streak{font:600 13px var(--f-mono);filter:grayscale(1);opacity:.55}.pl-streak.on{filter:none;opacity:1}.pl-streak.risk{animation:pulse 1.6s infinite}.ring{--p:0;width:30px;height:30px;border-radius:50%;flex:none;display:grid;place-items:center;background:conic-gradient(var(--ok) calc(var(--p)*1%),var(--line) 0)}.ring span{width:22px;height:22px;border-radius:50%;background:var(--panel);display:grid;place-items:center;font:600 8.5px var(--f-mono)}@keyframes pulse{50%{transform:scale(1.15)}}.side .back{display:block;font-size:.85rem;color:var(--muted);text-decoration:none;padding:0 6px 12px}.side .back:hover{color:var(--accent)}.mod.passed{border-color:var(--ok)}.banner.streak{background:var(--accent-soft);border-color:var(--accent)}.xp-gain{font:700 1.1rem var(--f-mono);color:var(--gold);margin:4px 0 12px}.xp-float{position:fixed;z-index:60;transform:translate(-50%);font:700 15px var(--f-mono);color:var(--gold);text-shadow:0 1px 0 var(--panel);pointer-events:none;animation:xpup 1.3s ease-out forwards}@keyframes xpup{0%{opacity:0;transform:translate(-50%,6px)}15%{opacity:1}to{opacity:0;transform:translate(-50%,-46px)}}.ach-pop{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:70;display:flex;gap:14px;align-items:center;max-width:min(380px,calc(100vw - 32px));background:var(--panel);color:var(--ink);border:1px solid var(--line);border-left:4px solid var(--bronze);border-radius:12px;padding:14px 18px;box-shadow:0 12px 40px #00000040;cursor:pointer;animation:popin .35s cubic-bezier(.2,1.4,.4,1)}.ach-pop.silver{border-left-color:var(--silver)}.ach-pop.gold{border-left-color:var(--gold)}.ach-pop.out{opacity:0;transform:translateY(10px);transition:all .25s}.ach-pop .ach-ico{font-size:34px;line-height:1}.ach-pop small{display:block;font:600 11px var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.ach-pop b{display:block;font-size:1.05rem}.ach-pop em{display:block;font-style:normal;font-size:.85rem;color:var(--muted)}@keyframes popin{0%{opacity:0;transform:translateY(30px) scale(.9)}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:80}@media(max-width:860px){.ach-pop{right:16px;left:16px;max-width:none}}.hub-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:22px;align-items:stretch;margin-bottom:30px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;min-width:0}.hello h1{font-size:2rem}.hello p{color:var(--muted);margin:8px 0 16px}.lvl{display:flex;gap:16px;align-items:center}.lvl .ava{width:56px;height:56px;font-size:30px}.lvl-num{font:700 1.5rem var(--f-mono)}.lvl-rank{color:var(--muted);font-size:.9rem}.bigbar{height:10px;background:var(--line);border-radius:99px;overflow:hidden;margin:12px 0 4px}.bigbar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:99px}.today{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.today>div{background:var(--bg);border-radius:10px;padding:10px 12px;text-align:center}.today b{display:block;font:700 1.35rem var(--f-mono)}.today span{font-size:.78rem;color:var(--muted)}.quests{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.quests li{display:flex;gap:10px;align-items:center;font-size:.92rem}.quests .chk{width:20px;height:20px;border-radius:50%;border:2px solid var(--line);flex:none;display:grid;place-items:center;font-size:12px;color:var(--accent-ink)}.quests li.done .chk{background:var(--ok);border-color:var(--ok)}.quests li.done span:last-child{text-decoration:line-through;color:var(--muted)}.continue{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;background:var(--accent-soft);border:1px solid var(--accent);border-radius:12px;padding:14px 18px;margin-bottom:26px}.continue small{display:block;color:var(--muted);font-size:.8rem}.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}.course{--c:var(--accent);background:var(--panel);border:1px solid var(--line);border-top:4px solid var(--c);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:10px;color:var(--ink);text-decoration:none;min-width:0;transition:transform .15s,box-shadow .15s}.course:hover{transform:translateY(-2px);box-shadow:0 10px 28px #0000001f}.course .ci{font-size:34px;line-height:1}.course h3{margin:0;font-size:1.25rem}.course p{margin:0;color:var(--muted);font-size:.92rem;flex:1}.course .meter>i{background:var(--c)}.course .cfoot{display:flex;justify-content:space-between;font:12px var(--f-mono);color:var(--muted);gap:8px;flex-wrap:wrap}.tags{display:flex;gap:6px;flex-wrap:wrap}.tags span{font:11px var(--f-mono);border:1px solid var(--line);border-radius:99px;padding:2px 8px;color:var(--muted)}@media(max-width:900px){.hub-hero{grid-template-columns:1fr}}.profile-head{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-bottom:22px}.profile-head .ava{width:84px;height:84px;font-size:46px;cursor:pointer;border:2px solid var(--accent)}.profile-head input{font:700 1.6rem var(--f-body);border:1px dashed transparent;background:transparent;color:var(--ink);padding:2px 6px;border-radius:6px;width:min(360px,100%)}.profile-head input:hover,.profile-head input:focus{border-color:var(--line);background:var(--panel)}.avatars{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 18px}.avatars 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