:root{--bg: #0a0d15;--bg-2: #111620;--card: #161c28;--elev: #1d2430;--elev-2: #252d3b;--border: rgba(255,255,255,.09);--border-2: rgba(255,255,255,.16);--text: #e7eaf0;--text-2: #9aa4b8;--muted: #6b7486;--accent: #377ef4;--accent-2: #5c99ff;--accent-soft: rgba(55,126,244,.15);--accent-line: rgba(55,126,244,.35);--brand: #0f9d58;--brand-2: #0b7a45;--brand-soft: rgba(15,157,88,.15);--violet: #7c5cff;--cyan: #22d3ee;--emerald: #34d399;--amber: #fbbf24;--rose: #fb7185;--ok: #2fbf71;--ok-soft: rgba(47,191,113,.14);--warn: #eab24a;--warn-soft: rgba(234,178,74,.14);--err: #f05252;--err-soft: rgba(240,82,82,.14);--info: #38bdf8;--nav-w: 244px;--top-h: 58px;--r: 14px;--r-s: 9px;--r-l: 20px;--shadow: 0 18px 50px rgba(0,0,0,.5);--shadow-s: 0 4px 16px rgba(0,0,0,.28);--font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;--mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;color-scheme:dark}[data-theme=light]{--bg: #eeebe4;--bg-2: #e5e1d9;--card: #f7f5f0;--elev: #eae6de;--elev-2: #ded9cf;--border: #d9d3c7;--border-2: #c3bcac;--text: #1d212a;--text-2: #555c69;--muted: #878d99;--accent: #2f6fe0;--accent-2: #2560c9;--accent-soft: rgba(47,111,224,.11);--accent-line: rgba(47,111,224,.3);--brand: #0d8a4d;--brand-2: #0a6b3c;--brand-soft: rgba(13,138,77,.12);--violet: #6d4fe8;--cyan: #0e9fb8;--emerald: #18a06a;--amber: #c98a12;--rose: #e05570;--ok: #18a06a;--ok-soft: rgba(24,160,106,.13);--warn: #b5820f;--warn-soft: rgba(181,130,15,.14);--err: #d64545;--err-soft: rgba(214,69,69,.12);--shadow: 0 16px 38px rgba(38,34,26,.13);--shadow-s: 0 2px 10px rgba(38,34,26,.07);color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14.5px/1.55 var(--font);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.015em;line-height:1.25}h1{font-size:28px}h2{font-size:20px}h3{font-size:16px}h4{font-size:14px}p{margin:0 0 10px}img{max-width:100%}hr{border:0;border-top:1px solid var(--border);margin:18px 0}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--elev-2);border-radius:8px;border:2px solid var(--bg)}::selection{background:var(--accent-soft)}.mono{font-family:var(--mono)}.muted{color:var(--muted)}.dim{color:var(--text-2)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.row{display:flex;align-items:center;gap:10px}.row.wrap{flex-wrap:wrap}.row.top{align-items:flex-start}.col{display:flex;flex-direction:column;gap:10px}.spacer{flex:1}.center{display:grid;place-items:center}.nowrap{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.shell{display:grid;grid-template-columns:var(--nav-w) 1fr;min-height:100vh}.nav{position:sticky;top:0;height:100vh;background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:40}.nav:before{content:"";position:absolute;left:0;right:0;top:0;height:180px;pointer-events:none;background:radial-gradient(120% 80% at 20% 0%,color-mix(in srgb,var(--brand) 12%,transparent),transparent 70%)}.logo{width:32px;height:32px;border-radius:9.5px;background:linear-gradient(140deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;flex:none;box-shadow:0 3px 10px #0f9d584d}.logo svg{width:21px;height:21px}.logo.lg{width:46px;height:46px;border-radius:13px}.logo.lg svg{width:30px;height:30px}.nav-brand{display:flex;align-items:center;gap:11px;padding:0 16px;height:var(--top-h);border-bottom:1px solid var(--border);font-weight:700;font-size:16.5px;flex:none;position:relative}.brand-txt{display:flex;flex-direction:column;line-height:1.12}.brand-txt small{font-size:9.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.nav-scroll{overflow-y:auto;flex:1;padding:12px 10px 24px;position:relative}.nav-group{margin-top:18px}.nav-group:first-child{margin-top:0}.nav-group-title{padding:0 12px 7px;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-weight:700}.nav-item{position:relative;display:flex;align-items:center;gap:12px;padding:9.5px 12px;border-radius:10px;color:var(--text-2);cursor:pointer;font-size:14px;border:0;background:none;width:100%;text-align:left;transition:background .13s,color .13s}.nav-item:hover{background:color-mix(in srgb,var(--card) 80%,transparent);color:var(--text)}.nav-item.active{background:linear-gradient(100deg,color-mix(in srgb,var(--brand) 16%,transparent),color-mix(in srgb,var(--accent) 9%,transparent));color:var(--text);font-weight:600}.nav-item.active:before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:0 3px 3px 0;background:linear-gradient(180deg,var(--brand),var(--accent))}.nav-item .ic{width:20px;display:grid;place-items:center;flex:none;opacity:.85}.nav-item.active .ic{opacity:1;color:var(--brand)}.nav-item .cnt{margin-left:auto;font-size:10.5px;background:var(--accent);color:#fff;padding:1px 7px;border-radius:10px;font-weight:700}.nav-user{border-top:1px solid var(--border);padding:10px;flex:none;position:relative}.nav-user .who{display:flex;align-items:center;gap:11px;padding:8px;border-radius:11px;cursor:pointer;border:1px solid transparent;transition:background .13s,border-color .13s}.nav-user .who:hover,.nav-user .who.on{background:var(--card);border-color:var(--border)}.nav-user .meta{min-width:0;flex:1}.nav-user b{display:block;font-size:13.5px}.nav-user small{color:var(--muted);font-size:11.5px}.nav-user .chev{color:var(--muted);font-size:11px}.user-menu{position:absolute;left:10px;right:10px;bottom:calc(100% - 4px);background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;padding:5px;animation:fadeUp .16s both}.user-menu a,.user-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:9px 11px;border-radius:8px;font-size:13.5px;color:var(--text-2);background:none;border:0;cursor:pointer;text-align:left}.user-menu a:hover,.user-menu button:hover{background:var(--elev);color:var(--text)}.user-menu button{color:var(--err)}.main{min-width:0;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:30;height:var(--top-h);display:flex;align-items:center;gap:12px;padding:0 20px;background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);flex:none}.topbar .crumb{font-weight:600;font-size:15px}.content{padding:24px 26px 80px;width:100%;max-width:1420px;margin:0 auto;flex:1}.content.narrow{max-width:960px}.content.wide{max-width:none}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px;flex-wrap:wrap}.page-head p{color:var(--text-2);margin:6px 0 0;max-width:74ch}.burger{display:none}.searchbox{position:relative;display:flex;align-items:center;gap:9px;background:var(--bg-2);border:1.5px solid var(--border);border-radius:11px;padding:7px 12px;width:min(440px,42vw);color:var(--muted)}.searchbox:focus-within{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-soft)}.searchbox input{border:0;background:none;outline:none;flex:1;min-width:0;color:var(--text)}.searchpop{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;z-index:50;max-height:60vh;overflow-y:auto}.searchpop .it{display:flex;align-items:center;gap:10px;padding:10px 13px;cursor:pointer}.searchpop .it:hover{background:var(--elev)}.searchpop .it small{color:var(--muted);margin-left:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 15px;border-radius:10px;border:1px solid var(--border);background:var(--elev);color:var(--text);cursor:pointer;font-size:13.5px;font-weight:550;white-space:nowrap;transition:background .12s,border-color .12s,transform .06s}.btn:hover:not(:disabled){background:var(--elev-2);border-color:var(--border-2)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:var(--accent-2);border-color:var(--accent-2)}.btn.ghost{background:transparent;border-color:transparent;color:var(--text-2)}.btn.ghost:hover:not(:disabled){background:var(--elev);color:var(--text)}.btn.line{background:transparent;border-color:var(--border-2)}.btn.danger{color:var(--err);border-color:var(--err-soft);background:var(--err-soft)}.btn.danger:hover:not(:disabled){background:var(--err);color:#fff;border-color:var(--err)}.btn.ok{background:var(--ok);border-color:var(--ok);color:#05210f}.btn.sm{padding:6px 10px;font-size:12.5px;border-radius:8px}.btn.lg{padding:12px 22px;font-size:15px;border-radius:12px}.btn.block{width:100%}.iconbtn{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;border:1px solid transparent;background:transparent;color:var(--text-2);cursor:pointer;flex:none}.iconbtn:hover{background:var(--elev);color:var(--text)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field>label{font-size:12.5px;color:var(--text-2);font-weight:550}.field .hint{font-size:12px;color:var(--muted)}input[type=text],input[type=number],input[type=date],input[type=datetime-local],input[type=url],input[type=email],input[type=search],input[type=password],select,textarea{background:var(--bg-2);border:1.5px solid var(--border);border-radius:10px;padding:9px 12px;outline:none;width:100%;color:var(--text)}textarea{resize:vertical;min-height:90px;line-height:1.6;font-family:inherit}input:focus,select:focus,textarea:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--accent-soft)}input[type=checkbox],input[type=radio]{accent-color:var(--accent);width:16px;height:16px}.check{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:13.5px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}fieldset{border:1px solid var(--border);border-radius:var(--r);padding:14px 16px;margin:0 0 16px}legend{padding:0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px}.card.pad0{padding:0;overflow:hidden}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.card-head h3{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--text-2);font-weight:600}.grid{display:grid;gap:18px}.grid.c2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.grid.c3{grid-template-columns:repeat(auto-fill,minmax(268px,1fr))}.grid.c4{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}.split{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}.split.left{grid-template-columns:300px 1fr}.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.kpi{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:16px}.kpi .lbl{color:var(--text-2);font-size:12.5px;display:flex;align-items:center;gap:6px}.kpi .val{font-size:27px;font-weight:700;letter-spacing:-.025em;margin-top:7px;font-variant-numeric:tabular-nums}.kpi .sub{color:var(--muted);font-size:12px;margin-top:3px}.kpi.accent .val{color:var(--accent-2)}.kpi.ok .val{color:var(--ok)}.kpi.warn .val{color:var(--warn)}.course-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;cursor:pointer;display:flex;flex-direction:column;transition:transform .14s,border-color .14s,box-shadow .14s}.course-card:hover{transform:translateY(-3px);border-color:var(--border-2);box-shadow:var(--shadow-s)}.cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--elev),var(--card));position:relative;display:grid;place-items:center;overflow:hidden;flex:none}.cover img{width:100%;height:100%;object-fit:cover}.cover .ph{font-size:38px;opacity:.5}.cover .lvl{position:absolute;left:10px;top:10px;background:#06090fb8;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff;font-size:11px;padding:3px 9px;border-radius:20px;font-weight:600}.cover .fav{position:absolute;right:8px;top:8px;background:#06090f99;border:0;color:#fff;width:30px;height:30px;border-radius:50%;cursor:pointer}.cover .bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:#0006}.cover .bar i{display:block;height:100%;background:var(--accent)}.course-card .body{padding:14px 15px 16px;display:flex;flex-direction:column;gap:7px;flex:1}.course-card h3{font-size:15.5px;line-height:1.35}.course-card .sub{color:var(--text-2);font-size:13px}.course-card .foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12.5px;flex-wrap:wrap}.stars{color:var(--warn);letter-spacing:-1px;font-size:13px}.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;background:var(--elev);color:var(--text-2);border:1px solid var(--border);white-space:nowrap}.badge.ok{background:var(--ok-soft);color:var(--ok);border-color:transparent}.badge.warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}.badge.err{background:var(--err-soft);color:var(--err);border-color:transparent}.badge.accent{background:var(--accent-soft);color:var(--accent-2);border-color:transparent}.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:20px;background:var(--bg-2);border:1px solid var(--border);cursor:pointer;font-size:13px;white-space:nowrap}.chip:hover{border-color:var(--border-2)}.chip.on{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent-2);font-weight:550}.chips{display:flex;gap:9px;flex-wrap:wrap}.prog{height:7px;border-radius:6px;background:var(--elev);overflow:hidden}.prog i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--violet));border-radius:6px;transition:width .3s}.prog.sm{height:5px}.ring{--p: 0;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-size:11.5px;font-weight:700;flex:none;background:conic-gradient(var(--accent) calc(var(--p) * 1%),var(--elev) 0)}.ring span{width:36px;height:36px;border-radius:50%;background:var(--card);display:grid;place-items:center}.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--r);background:var(--card)}table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}.tbl th{text-align:left;padding:11px 13px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-2);border-bottom:1px solid var(--border);white-space:nowrap;font-weight:600}.tbl td{padding:11px 13px;border-bottom:1px solid var(--border);vertical-align:middle}.tbl tr:last-child td{border-bottom:0}.tbl tbody tr:hover{background:color-mix(in srgb,var(--elev) 55%,transparent)}.tbl td.n,.tbl th.n{text-align:right;font-variant-numeric:tabular-nums}.avatar{border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;flex:none;background:var(--accent);overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.veil{position:fixed;top:0;right:0;bottom:0;left:0;background:#04060ba8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:90;display:grid;place-items:center;padding:20px;overflow-y:auto}.modal{background:var(--card);border:1px solid var(--border);border-radius:var(--r-l);width:min(620px,100%);box-shadow:var(--shadow);max-height:92vh;display:flex;flex-direction:column;margin:auto}.modal.wide{width:min(940px,100%)}.modal.narrow{width:min(440px,100%)}.modal-head{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border);flex:none}.modal-head h3{font-size:16.5px;flex:1}.modal-body{padding:20px;overflow-y:auto;flex:1}.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;flex:none}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px;overflow-x:auto}.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:11px 15px;color:var(--text-2);cursor:pointer;font-size:14px;white-space:nowrap;font-weight:500}.tabs button:hover{color:var(--text)}.tabs button.on{color:var(--accent-2);border-bottom-color:var(--accent);font-weight:600}.empty{text-align:center;padding:54px 20px;color:var(--text-2)}.empty .ic{font-size:42px;margin-bottom:12px;opacity:.7}.empty h3{margin-bottom:7px;color:var(--text)}.empty p{max-width:46ch;margin:0 auto 16px;font-size:13.5px}.toasts{position:fixed;right:18px;bottom:18px;z-index:200;display:flex;flex-direction:column;gap:9px}.toast{background:var(--elev);border:1px solid var(--border-2);border-left:3px solid var(--accent);border-radius:11px;padding:11px 16px;box-shadow:var(--shadow);font-size:13.5px;max-width:380px;animation:slideIn .22s}.toast.err{border-left-color:var(--err)}.toast.ok{border-left-color:var(--ok)}@keyframes slideIn{0%{transform:translate(20px);opacity:0}}.spin{width:20px;height:20px;border:2.5px solid var(--border-2);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}.loading{display:grid;place-items:center;padding:70px}.hero{padding:78px 26px 46px;margin:-24px -26px 0;text-align:center;position:relative}.hero:before{content:"";position:absolute;inset:-40% 10% auto;height:420px;background:radial-gradient(closest-side,rgba(55,126,244,.2),transparent);pointer-events:none}.hero h1{font-size:clamp(30px,5vw,52px);letter-spacing:-.035em;line-height:1.08;position:relative}.hero p{font-size:clamp(15px,2vw,18.5px);color:var(--text-2);max-width:62ch;margin:18px auto 26px;position:relative}.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative}.hero-stats{display:flex;gap:34px;justify-content:center;margin-top:46px;flex-wrap:wrap;position:relative}.hero-stats div{text-align:center}.hero-stats b{display:block;font-size:25px;font-weight:700;letter-spacing:-.02em}.hero-stats small{color:var(--muted);font-size:12.5px}.section{margin:46px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}.section-head h2{font-size:21px}.section-head p{color:var(--text-2);margin:5px 0 0;font-size:13.5px}.cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px;cursor:pointer;display:flex;flex-direction:column;gap:7px}.cat-card:hover{border-color:var(--accent-line)}.cat-card .ic{font-size:26px}.cat-card b{font-size:15px}.cat-card small{color:var(--muted)}.course-hero{background:var(--bg-2);border-bottom:1px solid var(--border);padding:32px 26px;margin:-24px -26px 26px}.course-hero .in{max-width:1420px;margin:0 auto;display:grid;grid-template-columns:1fr 380px;gap:32px;align-items:start}.course-hero h1{font-size:clamp(24px,3.4vw,36px)}.course-hero .lead{color:var(--text-2);font-size:16px;margin:12px 0 16px;max-width:70ch}.buybox{background:var(--card);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-s);position:sticky;top:calc(var(--top-h) + 16px)}.buybox .body{padding:18px;display:flex;flex-direction:column;gap:12px}.buybox ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:var(--text-2)}.buybox li{display:flex;gap:9px;align-items:flex-start}.curriculum{border:1px solid var(--border);border-radius:var(--r);overflow:hidden;background:var(--card)}.sec-head{display:flex;align-items:center;gap:11px;padding:13px 16px;background:var(--elev);cursor:pointer;border-bottom:1px solid var(--border)}.sec-head b{flex:1;font-size:14.5px;font-weight:600}.sec-head small{color:var(--muted)}.lesson-row{display:flex;align-items:center;gap:11px;padding:11px 16px 11px 20px;border-bottom:1px solid var(--border);font-size:13.8px;cursor:pointer}.lesson-row:hover{background:var(--elev)}.lesson-row.locked{cursor:default;color:var(--muted)}.lesson-row .t{flex:1}.lesson-row .ic{width:20px;text-align:center;color:var(--text-2);flex:none}.lesson-row.done .ic{color:var(--ok)}.lesson-row.current{background:var(--accent-soft)}.outcomes{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}.outcomes div{display:flex;gap:9px;align-items:flex-start;font-size:13.8px}.outcomes .tick{color:var(--ok);flex:none}.player{display:grid;grid-template-columns:1fr 340px;min-height:calc(100vh - var(--top-h))}.player-main{min-width:0;padding:0 0 60px}.stage{background:#05070c;aspect-ratio:16/9;display:grid;place-items:center;position:relative}.stage video,.stage iframe{width:100%;height:100%;border:0;display:block}.stage .ph{color:var(--muted);text-align:center;padding:30px}.player-body{padding:22px 26px}.player-side{border-left:1px solid var(--border);background:var(--bg-2);max-height:calc(100vh - var(--top-h));overflow-y:auto;position:sticky;top:var(--top-h)}.player-side .hd{padding:14px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-2);z-index:2}.lesson-nav{display:flex;gap:10px;margin-top:22px}.article{line-height:1.75;font-size:15.2px;max-width:78ch}.article h1,.article h2,.article h3{margin:26px 0 10px}.article ul,.article ol{padding-left:22px}.article li{margin:5px 0}.article code{background:var(--elev);padding:2px 6px;border-radius:5px;font-family:var(--mono);font-size:.9em}.article pre{background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto}.article pre code{background:none;padding:0}.article blockquote{margin:16px 0;padding:4px 0 4px 16px;border-left:3px solid var(--accent);color:var(--text-2)}.article a{color:var(--accent-2);text-decoration:underline;text-underline-offset:3px}.article img{border-radius:10px}.article table{width:100%;border-collapse:collapse;margin:14px 0}.article th,.article td{border:1px solid var(--border);padding:8px 11px;text-align:left}.quiz-q{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:20px;margin-bottom:16px}.quiz-q .qt{font-size:15.5px;font-weight:550;margin-bottom:14px}.opt{display:flex;align-items:flex-start;gap:11px;padding:12px 14px;border:1.5px solid var(--border);border-radius:11px;cursor:pointer;margin-bottom:9px}.opt:hover{border-color:var(--border-2);background:var(--elev)}.opt.on{border-color:var(--accent);background:var(--accent-soft)}.opt.right{border-color:var(--ok);background:var(--ok-soft)}.opt.wrong{border-color:var(--err);background:var(--err-soft)}.timer{font-family:var(--mono);font-size:15px;font-weight:600;padding:6px 12px;border-radius:9px;background:var(--elev)}.timer.low{background:var(--err-soft);color:var(--err)}.score-ring{width:128px;height:128px;border-radius:50%;display:grid;place-items:center;margin:0 auto 16px;background:conic-gradient(var(--c, var(--accent)) calc(var(--p) * 1%),var(--elev) 0)}.score-ring span{width:104px;height:104px;border-radius:50%;background:var(--card);display:grid;place-items:center;font-size:28px;font-weight:700}.qna-item{border:1px solid var(--border);border-radius:var(--r);padding:16px;background:var(--card);margin-bottom:12px}.qna-reply{border-left:2px solid var(--border);margin:12px 0 0 14px;padding:10px 0 0 14px}.qna-reply.inst{border-left-color:var(--accent)}.badge-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:16px;text-align:center}.badge-card .ic{font-size:30px}.badge-card b{display:block;margin-top:7px;font-size:13.5px}.badge-card small{color:var(--muted);font-size:11.5px}.badge-card.off{opacity:.34}.heat{display:grid;grid-template-columns:repeat(14,1fr);gap:4px}.heat i{aspect-ratio:1;border-radius:3px;background:var(--elev)}.heat i.l1{background:#377ef459}.heat i.l2{background:#377ef499}.heat i.l3{background:var(--accent)}.edit-sec{border:1px solid var(--border);border-radius:var(--r);margin-bottom:14px;background:var(--card);overflow:hidden}.edit-sec>.hd{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--elev)}.edit-lesson{display:flex;align-items:center;gap:10px;padding:10px 14px;border-top:1px solid var(--border)}.edit-lesson .t{flex:1;min-width:0}.drag{cursor:grab;color:var(--muted);-webkit-user-select:none;user-select:none}.cal-item{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--border)}.cal-date{width:54px;text-align:center;flex:none}.cal-date b{display:block;font-size:20px;font-weight:700;line-height:1}.cal-date small{color:var(--muted);font-size:11px;text-transform:uppercase}@media (max-width: 1100px){.split,.course-hero .in,.player{grid-template-columns:1fr}.player-side{border-left:0;border-top:1px solid var(--border);position:static;max-height:none}.buybox{position:static}}@media (max-width: 860px){.shell{grid-template-columns:1fr}.nav{position:fixed;left:0;top:0;width:280px;transform:translate(-100%);transition:transform .22s;box-shadow:var(--shadow)}.nav.open{transform:none}.burger{display:grid}.navveil{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:39}.content{padding:18px 16px 48px}.course-hero{margin:-18px -16px 20px;padding:24px 16px}.topbar{padding:0 12px;gap:8px}.searchbox{width:auto;flex:1 1 0;min-width:0;padding:7px 10px}.searchbox input{min-width:0}.outcomes,.grid2{grid-template-columns:1fr}.hero{padding:40px 16px 22px;margin:-18px -16px 0}.modal{border-radius:var(--r-l) var(--r-l) 0 0;margin:auto 0 0;max-height:94vh}.veil{padding:0;align-items:end}}@media print{.nav,.topbar,.btn{display:none!important}.shell{grid-template-columns:1fr}}.hero{overflow:hidden}.hero:before{display:none}.aurora{position:absolute;inset:-200px -14% auto;height:660px;pointer-events:none;z-index:0;filter:blur(84px);opacity:.4;-webkit-mask-image:radial-gradient(78% 68% at 50% 32%,#000 38%,transparent 78%);mask-image:radial-gradient(78% 68% at 50% 32%,#000 38%,transparent 78%)}[data-theme=light] .aurora{opacity:.3;filter:blur(74px)}.aurora i{position:absolute;border-radius:50%;display:block}.aurora i:nth-child(1){width:480px;height:420px;left:6%;top:60px;background:var(--brand);animation:drift1 22s ease-in-out infinite alternate}.aurora i:nth-child(2){width:420px;height:380px;left:42%;top:10px;background:var(--accent);animation:drift2 26s ease-in-out infinite alternate}.aurora i:nth-child(3){width:380px;height:340px;right:8%;top:90px;background:var(--violet);animation:drift3 30s ease-in-out infinite alternate}@keyframes drift1{to{transform:translate3d(90px,40px,0) scale(1.15)}}@keyframes drift2{to{transform:translate3d(-70px,60px,0) scale(1.2)}}@keyframes drift3{to{transform:translate3d(60px,-40px,0) scale(1.1)}}.hero h1,.hero p,.hero .cta,.hero-stats{position:relative;z-index:1}.hero h1 .grad{background:linear-gradient(100deg,var(--brand),var(--accent) 55%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-stats b{background:linear-gradient(180deg,var(--text),var(--text-2));-webkit-background-clip:text;background-clip:text;color:transparent}.cover.gen{position:relative}.cover.gen .wm{font-size:54px;opacity:.92;filter:drop-shadow(0 6px 16px rgba(0,0,0,.35))}.cover.gen:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(120% 90% at 15% 0%,rgba(255,255,255,.28),transparent 60%),radial-gradient(90% 80% at 100% 100%,rgba(0,0,0,.3),transparent 55%)}.cover.gen .wm{position:relative;z-index:1}.badge.lv-baslangic{background:#34d39929;color:var(--emerald);border-color:transparent}.badge.lv-orta{background:#377ef429;color:var(--accent-2);border-color:transparent}.badge.lv-ileri{background:#fbbf2429;color:var(--amber);border-color:transparent}.badge.lv-uzman{background:#fb718529;color:var(--rose);border-color:transparent}.cover .lvl.lv-baslangic{background:#10563cd1}.cover .lvl.lv-orta{background:#12346ed1}.cover .lvl.lv-ileri{background:#61460ad9}.cover .lvl.lv-uzman{background:#6e1c2cd1}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.grid>*{animation:fadeUp .38s both}.grid>*:nth-child(1){animation-delay:.02s}.grid>*:nth-child(2){animation-delay:.06s}.grid>*:nth-child(3){animation-delay:.1s}.grid>*:nth-child(4){animation-delay:.14s}.grid>*:nth-child(5){animation-delay:.18s}.grid>*:nth-child(6){animation-delay:.22s}.grid>*:nth-child(n+7){animation-delay:.26s}@media (prefers-reduced-motion: reduce){.grid>*,.aurora i{animation:none!important}}.course-card{position:relative}.course-card:hover{box-shadow:0 14px 34px #00000047,0 0 0 1px var(--accent-line)}[data-theme=light] .course-card:hover{box-shadow:0 14px 30px #26221a24,0 0 0 1px var(--accent-line)}.cat-card{position:relative;overflow:hidden;transition:transform .14s,border-color .14s}.cat-card:hover{transform:translateY(-3px)}.cat-card:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c, var(--accent));opacity:.85}.cat-card .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:color-mix(in srgb,var(--c, var(--accent)) 16%,transparent)}.kpi{position:relative;overflow:hidden}.kpi:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c, var(--accent));opacity:.9}.kpi.accent{--c: var(--accent) }.kpi.ok{--c: var(--brand) }.kpi.warn{--c: var(--amber) }.kpi.violet{--c: var(--violet) }.kpi.violet .val{color:var(--violet)}.kpi.ok .val{color:var(--brand)}.prog i{background:linear-gradient(90deg,var(--brand),var(--accent) 70%,var(--violet));position:relative;overflow:hidden}.prog.live i:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);animation:sheen 2.2s linear infinite}@keyframes sheen{0%{transform:translate(-100%)}to{transform:translate(200%)}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:300;overflow:hidden}.confetti i{position:absolute;top:-14px;width:9px;height:14px;border-radius:2px;animation:fall linear forwards}@keyframes fall{to{transform:translateY(104vh) rotate(720deg);opacity:.15}}.celebrate{background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 22%,transparent),color-mix(in srgb,var(--accent) 18%,transparent));border:1px solid color-mix(in srgb,var(--brand) 40%,transparent);border-radius:var(--r-l);padding:24px;text-align:center}.celebrate .big{font-size:44px;line-height:1;margin-bottom:10px;animation:pop .5s cubic-bezier(.2,1.4,.5,1) both}@keyframes pop{0%{transform:scale(.5);opacity:0}}.auto-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:20px;font-size:11.5px;font-weight:600;background:var(--brand-soft);color:var(--brand)}.btn.primary{box-shadow:0 3px 14px color-mix(in srgb,var(--accent) 34%,transparent)}.btn.ok{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff;box-shadow:0 3px 14px #0f9d584d}.btn.brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff;box-shadow:0 3px 16px #0f9d5852}.btn.brand:hover:not(:disabled){filter:brightness(1.08)}.section-head h2{display:flex;align-items:center;gap:10px}.section-head h2:before{content:"";width:4px;height:20px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--accent))}.badge-card{transition:transform .15s}.badge-card:not(.off){border-color:color-mix(in srgb,var(--brand) 32%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--brand) 9%,var(--card)),var(--card))}.badge-card:not(.off):hover{transform:translateY(-3px)}.hero-badge{position:relative;z-index:1;display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 8px;border-radius:30px;background:color-mix(in srgb,var(--card) 78%,transparent);border:1px solid var(--border);margin-bottom:22px;font-weight:600;font-size:13.5px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-s)}.hero-badge .logo{width:26px;height:26px;border-radius:8px}.hero-badge .logo svg{width:17px;height:17px}.hero-stats div{padding:0 6px}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:18px}.step{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:22px 20px 20px;overflow:hidden}.step:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent),var(--violet))}.step .num{position:absolute;right:16px;top:12px;font-size:48px;font-weight:800;line-height:1;color:var(--text);opacity:.07}.step .ic{font-size:26px;margin-bottom:10px}.step b{display:block;font-size:16px;margin-bottom:6px}.step p{color:var(--text-2);font-size:13.6px;margin:0}.feature{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:22px;position:relative;overflow:hidden;transition:transform .15s,border-color .15s}.feature:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--c) 45%,transparent)}.feature:after{content:"";position:absolute;right:-60px;top:-60px;width:170px;height:170px;border-radius:50%;background:var(--c);opacity:.1}.feature .fic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:23px;background:color-mix(in srgb,var(--c) 16%,transparent);margin-bottom:13px}.feature h3{font-size:16px;margin-bottom:7px}.feature p{color:var(--text-2);font-size:13.6px;margin:0}.path-card{cursor:pointer;transition:transform .15s,border-color .15s}.path-card:hover{transform:translateY(-3px);border-color:var(--accent-line)}.path-ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:23px;background:linear-gradient(140deg,color-mix(in srgb,var(--violet) 22%,transparent),color-mix(in srgb,var(--accent) 18%,transparent));flex:none}.site-foot{margin:56px -26px -80px;padding:26px;border-top:1px solid var(--border);background:var(--bg-2)}.site-foot a{color:var(--text-2);font-size:13.5px}.site-foot a:hover{color:var(--accent-2)}@media (max-width: 860px){.site-foot{margin:40px -16px -48px;padding:22px 16px}}.course-card .foot .meta-dots{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cert-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px;position:relative;overflow:hidden;display:flex;flex-direction:column;gap:14px;transition:transform .15s,border-color .15s}.cert-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 40%,transparent)}.cert-card:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent),var(--violet))}.cert-top{display:flex;align-items:center;gap:13px}.cert-title{font-size:15.5px;line-height:1.3;display:block}.cert-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:12px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.cert-meta small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}.cert-meta b{font-size:14px}.cert-actions{display:flex;gap:8px;flex-wrap:wrap}.cert-actions .btn{flex:1 1 auto}@media (max-width: 520px){.cert-meta{grid-template-columns:1fr 1fr}}.hero-outcomes{display:grid;grid-template-columns:1fr 1fr;gap:9px 22px;margin-top:18px;max-width:62ch}.hero-outcomes span{display:flex;gap:9px;align-items:flex-start;font-size:13.8px;color:var(--text-2)}.hero-outcomes .tick{color:var(--brand);flex:none}@media (max-width: 860px){.hero-outcomes{grid-template-columns:1fr}}.me-head{display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 13%,var(--card)),var(--card) 60%);border:1px solid var(--border);border-radius:var(--r-l);padding:22px 24px;position:relative;overflow:hidden}.me-head:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent),var(--violet))}.me-head h1{font-size:25px}.me-head-act{display:flex;gap:8px;flex-wrap:wrap}@media (max-width: 620px){.me-head{padding:18px;gap:14px}.me-head-act{width:100%}.me-head-act .btn{flex:1}}.radar-wrap{display:grid;place-items:center;padding:6px 0}.radar{width:min(560px,100%);height:auto}.radar-ring{fill:none;stroke:var(--border);stroke-width:1}.radar-axis{stroke:var(--border);stroke-width:1}.radar-area{stroke:var(--brand);stroke-width:2.5;stroke-linejoin:round;transition:all .35s cubic-bezier(.3,.9,.4,1)}.radar-dot{fill:var(--brand);stroke:var(--card);stroke-width:2;transition:r .2s}.radar-dot.on{fill:var(--accent)}.radar-label{font-size:12.5px;font-weight:600;fill:var(--text-2);cursor:pointer}.radar-label:hover,.radar-label.on{fill:var(--accent-2)}.radar-label .radar-val{font-size:13px;font-weight:700;fill:var(--text)}.yh-scroll{overflow-x:auto;padding-bottom:6px}.yh{min-width:720px}.yh-months{display:grid;grid-template-columns:repeat(53,13px);font-size:10.5px;color:var(--muted);margin-bottom:4px;height:14px}.yh-grid{display:grid;grid-auto-flow:column;grid-auto-columns:13px}.yh-week{display:grid;grid-template-rows:repeat(7,11px);gap:2px}.yh-week i,.yh-key i{display:block;width:11px;height:11px;border-radius:2.5px;background:var(--elev)}.yh-week i.l1,.yh-key i.l1{background:#0f9d5859}.yh-week i.l2,.yh-key i.l2{background:#0f9d5894}.yh-week i.l3,.yh-key i.l3{background:#0f9d58cc}.yh-week i.l4,.yh-key i.l4{background:var(--brand)}.yh-key{display:inline-flex;gap:3px;margin:0 6px}.profile-head h1{font-size:28px}.profile-handle{font-family:var(--mono);font-size:14px;color:var(--brand);font-weight:600;margin-top:2px}.profile-url{background:var(--bg-2);border:1px solid var(--border);border-radius:9px;padding:9px 12px;font-size:12.5px;word-break:break-all;color:var(--text-2)}.role-card{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--r);background:var(--card);cursor:pointer;transition:border-color .14s,transform .14s}.role-card:hover{border-color:var(--border-2);transform:translate(2px)}.role-card.on{border-color:var(--brand);background:linear-gradient(120deg,color-mix(in srgb,var(--brand) 12%,var(--card)),var(--card))}.role-card .ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:17px;background:var(--brand-soft);color:var(--brand);flex:none}.role-card b{display:block;font-size:14px}.role-card small{display:block;color:var(--muted);font-size:11.5px;margin-bottom:5px}.role-card .prog{width:150px}.skill-detail{margin-top:18px;padding:16px;border-radius:var(--r);background:var(--bg-2);border:1px solid var(--border)}.path-step{gap:12px;padding:10px 12px;border-radius:10px;cursor:pointer}.path-step:hover{background:var(--elev)}.step-n{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;flex:none;background:var(--elev-2);color:var(--text-2)}.step-n.done{background:var(--brand);color:#fff}.radar-tick{font-size:9.5px;fill:var(--muted);opacity:.75}.radar-area{filter:drop-shadow(0 4px 14px color-mix(in srgb,var(--brand) 35%,transparent))}.ic-svg{display:block;flex:none}.searchbox>.ic-svg{color:var(--muted)}.row>.prog{flex:1;min-width:60px}