@charset "UTF-8";
:root{color-scheme:dark;--bg:#14171f;--surface:#1b1f29;--surface-2:#202531;--text:#e8ebf2;--muted:#a7afbf;--line:#303746;--blue:#93b9ff;--blue-bg:#25334a;--violet:#c9a5ff;--green:#8ed6b1;--amber:#f0c57e;--rose:#f19bb8;--body:16px;--leading:1.75}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font:var(--body)/var(--leading);font-family:"Noto Sans Armenian","Segoe UI",Sylfaen,system-ui,sans-serif;letter-spacing:.005em}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}button,input,select,textarea{font:inherit;color:inherit}button{background:var(--surface-2);border:1px solid var(--line);border-radius:7px;padding:8px 13px;min-height:42px;cursor:pointer}button:hover{border-color:var(--blue)}:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.topbar{height:60px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 1120px)/2));gap:20px}.wordmark{font-weight:700;color:var(--text);font-size:16px}.wordmark span{font-weight:400;color:var(--muted);margin-left:8px}.topbar nav{display:flex;gap:22px;font-size:14px}.topbar nav a{color:var(--muted)}#app{width:min(100% - 40px,920px);margin:0 auto;min-height:75vh}.home{padding:48px 0 60px}.eyebrow,.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:650}.home h1{font-size:clamp(34px,5vw,48px);line-height:1.15;letter-spacing:-.035em;margin:8px 0}.subtitle{color:var(--muted);font-size:17px;margin:8px 0 26px}.stats{display:flex;flex-wrap:wrap;gap:0;margin:28px 0 36px;border-block:1px solid var(--line);padding:13px 0}.stat{padding:0 25px;border-right:1px solid var(--line);font-size:14px;color:var(--muted)}.stat:first-child{padding-left:0}.stat:last-child{border:0}.stat strong{color:var(--text);font-size:17px;margin-right:5px}.phase-map{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:54px;row-gap:30px}.phase-group{padding-top:13px;border-top:1px solid var(--line)}.phase-heading{display:grid;grid-template-columns:28px 1fr;gap:9px;align-items:start;margin-bottom:10px}.phase-number{color:var(--muted);font-size:14px}.phase-heading h2{margin:0;font-size:17px;line-height:1.45}.phase-heading p{margin:2px 0 0;font-size:13px;color:var(--muted)}.lesson-list{list-style:none;padding:0;margin:0}.lesson-list li{margin:0}.lesson-list a{display:grid;grid-template-columns:28px 1fr;gap:9px;padding:5px 0;color:var(--text);font-size:14px;line-height:1.5}.lesson-list a:hover{color:var(--blue);text-decoration:none}.lesson-list .num{color:var(--muted);font-variant-numeric:tabular-nums}.lesson-list .duration{display:block;color:var(--muted);font-size:12px}.lesson-page{width:min(100%,780px);margin:0 auto;padding:24px 0 64px}.lesson-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;font-size:13px}.lesson-nav a{color:var(--muted)}.crumb{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);font-weight:650}.lesson-page h1{font-size:27px;line-height:1.35;margin:8px 0 4px;letter-spacing:-.02em}.lesson-meta{font-size:14px;color:var(--muted)}.lesson-rule{border:0;border-top:1px solid var(--line);margin:22px 0 28px}.lesson-page h2{font-size:20px;line-height:1.4;margin:34px 0 10px}.lesson-page h3{font-size:16px;margin:20px 0 8px}.lesson-page p,.lesson-page li{line-height:1.75}.lesson-page ul{padding-left:22px}.lesson-page li+li{margin-top:5px}.prompt,.teacher-quote,.show-block,.check-block,.warning-block{border-left:3px solid var(--violet);padding:8px 0 8px 16px;margin:20px 0;color:var(--text)}.prompt{border-color:var(--violet)}.show-block{border-color:var(--blue)}.check-block{border-color:var(--green)}.warning-block{border-color:var(--amber)}.block-label{font-size:11px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;color:var(--muted);margin:0 0 5px}.lesson-page blockquote{margin:5px 0 10px;font-size:16px}.schedule{margin:20px 0;border-collapse:collapse;width:100%;font-size:13px}.schedule th,.schedule td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}.schedule th{color:var(--muted);font-weight:600}.schedule td:first-child{white-space:nowrap;color:var(--blue);font-variant-numeric:tabular-nums}.examples{margin-top:12px}.example{margin:24px 0 30px}.example-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.example h3{margin:0}.codebox{position:relative;margin:10px 0;background:#0e1117;border:1px solid #2a303b;border-radius:8px;overflow:hidden}.codebox pre{margin:0;padding:17px 18px;overflow:auto;color:#edf0f7;font:14px/1.65 Consolas,"Courier New",monospace;tab-size:4}.code-actions{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}.code-actions button,.code-actions a{font-size:13px}.code-actions a{display:inline-flex;align-items:center;padding:6px 10px;border:1px solid var(--line);border-radius:6px}.image-missing{margin:12px 0;padding:12px 14px;background:#1a1d24;border-left:3px solid var(--amber);color:var(--muted);font-size:13px}.levels{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.levels button{font-size:13px;color:var(--muted)}.levels button[aria-pressed=true]{background:var(--blue-bg);border-color:#5275a9;color:var(--text)}.task-area{padding:3px 0 12px}.task-area details{margin-top:16px}.task-area summary{cursor:pointer;color:var(--blue)}.task-area details pre{background:#0e1117;padding:14px;border-radius:6px;overflow:auto;font:14px/1.65 Consolas,monospace}.notes{width:100%;min-height:120px;background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:12px}.note-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.lesson-pagination{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;font-size:14px}.catalog{padding:34px 0 60px}.catalog h1{font-size:28px}.catalog-controls{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.catalog-controls input,.catalog-controls select{min-height:44px;background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:8px 12px}.catalog-controls input{flex:1;min-width:230px}.command-row{border-top:1px solid var(--line);padding:14px 0}.command-row h2{font:600 16px/1.5 Consolas,monospace;margin:0 0 4px}.command-row p{margin:6px 0}.muted{color:var(--muted);font-size:13px}.guide-page{width:min(100%,780px);margin:0 auto;padding:34px 0 60px}.guide-page h1{font-size:27px}.guide-page li{margin:9px 0}.callout{border-left:3px solid var(--amber);padding:10px 14px;color:var(--muted);background:#1a1d24}.empty{padding:24px 0;color:var(--muted)}footer{border-top:1px solid var(--line);padding:18px max(22px,calc((100vw - 920px)/2));display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px}
@media(max-width:700px){.topbar{height:auto;min-height:58px;padding:10px 16px;align-items:flex-start;flex-wrap:wrap;gap:8px}.topbar nav{width:100%;gap:17px;overflow:auto;white-space:nowrap;padding:3px 0}.wordmark span{font-size:13px}#app{width:min(100% - 32px,920px)}.home{padding:32px 0 44px}.stats{margin:22px 0 28px;gap:8px 0}.stat{padding:0 12px;font-size:12px}.stat:first-child{padding-left:0}.stat strong{font-size:15px}.phase-map{grid-template-columns:1fr;row-gap:24px}.lesson-page{padding-top:18px}.lesson-nav{margin-bottom:28px}.lesson-page h1{font-size:25px}.schedule{font-size:12px}.schedule th,.schedule td{padding:7px 5px}.example-head{align-items:flex-start;flex-direction:column;gap:4px}.codebox pre{font-size:13px;padding:14px}.catalog-controls{display:grid;grid-template-columns:1fr}.catalog-controls input{min-width:0}footer{padding:15px 16px;flex-direction:column;gap:3px}}
@media(max-width:390px){.stat{padding:0 8px}.lesson-page h1{font-size:23px}.lesson-list a{font-size:14px}}
@media print{ :root{color-scheme:light;--bg:#fff;--surface:#fff;--surface-2:#f2f2f2;--text:#111;--muted:#444;--line:#bbb;--blue:#164e9a}body{background:#fff;color:#111;font-size:12pt}.topbar,footer,.lesson-nav,.code-actions,.levels,.note-actions{display:none!important}#app{width:100%}.lesson-page,.guide-page{max-width:none;padding:0}.lesson-page section,.example,.phase-entry{break-inside:avoid}.prompt,.show-block,.check-block,.warning-block{color:#111}pre{white-space:pre-wrap!important;overflow-wrap:anywhere}.lesson-page details:not([open])>*:not(summary){display:none}.home{display:none}}