/* Шрифты лежат на самом сайте (лицензия SIL OFL), внешние серверы не нужны */
@font-face{font-family:"Press Start 2P";font-style:normal;font-weight:400;font-display:block;src:url(fonts/press-start-2p-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Press Start 2P";font-style:normal;font-weight:400;font-display:block;src:url(fonts/press-start-2p-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:block;src:url(fonts/ibm-plex-mono-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:block;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:600;font-display:block;src:url(fonts/ibm-plex-mono-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:600;font-display:block;src:url(fonts/ibm-plex-mono-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* Рабочий стол в духе Windows 95: бирюзовый фон, серые окна с фиолетовой шапкой, кремовые кнопки */
:root{
 --desk:#2f7777;--paper:#e8e8e8;--surface:#ffffff;--surface2:#d4d4dc;
 --ink:#1d1370;--muted:#55547a;--line:#9d9cb8;--ink2:#7d7ca0;
 --title:#3a1aa0;--blue:#3a1aa0;--blue-soft:#d8cff5;--blue-ink:#ffffff;
 --cream:#fffbdc;--cream2:#fff59a;--yellow:#ffe44d;--yellow-soft:#fff6b8;
 --red:#c01a2f;--red-soft:#f9d3d9;--ok:#1b7a2e;--ok-soft:#d3f0d9;
 --lav:#c8b8dc;--bar:#c0c0c0;
 --st1:#fff1a8;--st2:#ffd9e2;--st3:#d4e6ff;--st4:#e5dcff;--st5:#ffe3cc;
 --code-bg:#0f0f2b;--code-text:#e6ecff;--code-bar:#3a1aa0;
 --px:"Press Start 2P","Segoe UI",system-ui,sans-serif;--sans:var(--mono);--display:var(--px);
 --mono:"IBM Plex Mono",ui-monospace,Consolas,"Courier New",monospace;--hand:var(--px);
 --bevel:inset -2px -2px 0 #808080,inset 2px 2px 0 #fff;
 --hard:4px 4px 0 #000;
 --bg:var(--paper);--text:var(--ink);--accent:var(--blue);--accent-ink:#fff;--accent-soft:var(--blue-soft);--amber:#8a6100;--warn:#8a5a00;--shadow:none;--code-bar2:var(--code-bar);
 --tb:52px;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-synthesis:none;margin:0;color:var(--ink);font:400 15.5px/1.65 var(--mono);background:var(--desk);min-height:100vh;padding-bottom:calc(var(--tb) + 24px);-webkit-font-smoothing:none;font-smooth:never}
::selection{background:var(--title);color:#fff}
a{color:var(--title);text-decoration:underline;text-underline-offset:3px}@media(hover:hover){a:hover{background:var(--lav);text-decoration:none}}
:focus-visible{outline:3px dashed #000;outline-offset:2px}
h1,h2,h3{font-family:var(--px);font-weight:400;line-height:1.45;margin:0;color:var(--ink)}
h1{font-size:clamp(16px,3vw,23px);margin-bottom:14px}
h2{font-size:clamp(14px,2vw,17px);margin:28px 0 12px}
h3{font-size:13px;margin:0 0 8px}
p{margin:0 0 12px;max-width:68ch}
.m{color:var(--muted)}.ok{color:var(--ok);font-weight:700}.bad{color:var(--red);font-weight:700}.warn{color:var(--warn);font-weight:700}
code{font-family:var(--mono);font-size:.88em;background:var(--yellow-soft);padding:0 5px;border:1px solid #c9b64a}
pre{font-family:var(--mono);font-size:14.5px;line-height:1.55;background:var(--code-bg);color:var(--code-text);padding:12px 14px;overflow:auto;margin:8px 0;border:2px solid #000;box-shadow:inset 2px 2px 0 #555}
.pix{display:block;image-rendering:pixelated;flex:none}

/* окно */
main.wrap{position:relative;width:min(1120px,calc(100% - 20px));margin:14px auto 0;background:var(--title);border:0;padding:0 8px 8px;box-shadow:8px 8px 0 rgba(0,0,0,.6)}
.tbar{display:flex;align-items:center;gap:8px;min-height:50px;padding:8px 0 8px 4px;color:#fff}
.tbar .ti{font-family:var(--px);font-size:12px;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.02em}
.tbar .pix{width:26px;height:26px}
.wb{display:inline-flex;align-items:center;gap:6px;font:400 9.3px var(--px);color:var(--ink);background:#c0c0c0;border:0;box-shadow:inset -2px -2px 0 #404040,inset 2px 2px 0 #fff,inset -4px -4px 0 #808080;padding:7px 14px;cursor:pointer;text-decoration:none;min-height:36px}
@media(hover:hover){.wb:hover{background:#d8d8f0;text-decoration:none}}
.wb:active{box-shadow:inset 2px 2px 0 #404040,inset -2px -2px 0 #fff;padding:8px 13px 6px 15px}
.wb svg{width:14px;height:14px}
main.wrap>.in{background:var(--paper);padding:24px 28px 34px;box-shadow:inset 2px 2px 0 #808080,inset -2px -2px 0 #fff;min-height:calc(100vh - 170px)}
.crumbs{color:var(--muted);font-size:15px;margin:0 0 10px}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:400 9.9px/1.3 var(--px);color:var(--title);background:var(--cream);padding:13px 22px;border:3px solid var(--title);box-shadow:var(--hard);cursor:pointer;text-decoration:none;transition:none;min-height:48px}
@media(hover:hover){.btn:hover{background:var(--cream2);text-decoration:none;transform:translate(-1px,-1px);box-shadow:5px 5px 0 #000}}
.btn:active{transform:translate(3px,3px);box-shadow:1px 1px 0 #000}
.btn.go::after{content:"";width:16px;height:16px;background:currentColor;flex:none;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8' shape-rendering='crispEdges'%3E%3Cpath d='M0 3h5V1h1v1h1v1h1v2H7v1H6v1H5V5H0z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8' shape-rendering='crispEdges'%3E%3Cpath d='M0 3h5V1h1v1h1v1h1v2H7v1H6v1H5V5H0z'/%3E%3C/svg%3E") center/contain no-repeat}
.btn.alt{background:var(--title);color:#fff;border-color:#000}
@media(hover:hover){.btn.alt:hover{background:#4a2ac0}}
.btn.ghost{background:#d4d4dc;color:var(--ink);border-color:#55547a;box-shadow:3px 3px 0 #55547a}
@media(hover:hover){.btn.ghost:hover{background:#fff;box-shadow:4px 4px 0 #55547a}}
.btn.sm{padding:8px 14px;font-size:14px;min-height:38px;box-shadow:3px 3px 0 #000}
.btn.big{padding:17px 30px;font-size:19px;min-height:60px}
.btn:disabled{opacity:.6;cursor:wait}
.btns{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0}

/* рабочий стол */
body.desk{background:var(--desk)}
.deskwrap{position:relative;min-height:calc(100vh - var(--tb));padding:46px 18px 40px;overflow:hidden}
.icons{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,138px));gap:8px 6px;position:relative;z-index:2;max-width:760px}
a.ico{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px 6px 8px;color:#fff;text-decoration:none;text-align:center;font-size:17px;line-height:1.15;border:2px solid transparent}
a.ico .pix{width:64px;height:64px;filter:drop-shadow(3px 3px 0 rgba(0,0,0,.35))}
a.ico span{font-family:var(--px);font-size:11px;line-height:1.5;text-shadow:1px 1px 0 #000;padding:1px 4px}
a.ico small{display:block;font-size:12.5px;color:#d9f0f0;text-shadow:1px 1px 0 #000;margin-top:2px}
@media(hover:hover){a.ico:hover,a.ico:focus-visible{background:rgba(58,26,160,.55);border:2px dotted #fff;text-decoration:none;outline:0}}
a.ico:active span{background:var(--title)}
.bubble{position:absolute;left:50%;top:-30px;transform:translateX(-50%);white-space:nowrap;background:var(--cream);color:var(--title);border:3px solid #000;padding:5px 12px;font:400 9.3px var(--px);box-shadow:3px 3px 0 #000;animation:bob 1s steps(2) infinite;z-index:3;pointer-events:none}
.bubble::after{content:"";position:absolute;left:50%;bottom:-11px;margin-left:-8px;border:8px solid transparent;border-top:8px solid #000;border-bottom:0}
@keyframes bob{50%{transform:translate(-50%,-6px)}}
.dlg{position:relative;z-index:2;width:min(460px,100%);margin:26px 0 0 0;background:var(--title);padding:0 8px 8px;box-shadow:8px 8px 0 rgba(0,0,0,.6)}
.dlg .body{background:var(--paper);padding:20px 22px 22px;box-shadow:inset 2px 2px 0 #808080,inset -2px -2px 0 #fff}
.dlg h2{margin:0 0 10px;font-size:15px}
.dlg .nx{display:flex;gap:14px;align-items:center;margin:8px 0 16px}
.dlg .nx .pix{width:48px;height:48px}
.dlg .nx b{font-family:var(--mono);font-size:17px;display:block;line-height:1.2}
.dlg .btns{margin:0}
.ghost-logo{position:absolute;right:22px;bottom:18px;font:700 clamp(46px,10vw,110px)/1 var(--px);color:rgba(255,255,255,.07);letter-spacing:.06em;text-shadow:3px 3px 0 rgba(0,0,0,.08);pointer-events:none;user-select:none}

/* панель задач и меню Пуск */
.taskbar{position:fixed;left:0;right:0;bottom:0;height:var(--tb);background:var(--bar);border-top:3px solid #fff;box-shadow:0 -2px 0 #dfdfdf;display:flex;align-items:center;gap:8px;padding:4px 8px;z-index:60}
.start{display:inline-flex;align-items:center;gap:8px;font:400 11.2px var(--px);color:#000;background:#c0c0c0;border:0;box-shadow:inset -3px -3px 0 #404040,inset 3px 3px 0 #fff,inset -5px -5px 0 #808080;padding:0 16px;height:40px;cursor:pointer}
.start .pix{width:22px;height:22px}
@media(hover:hover){.start:hover{background:#d4d4e4}}
.start[aria-expanded=true]{box-shadow:inset 3px 3px 0 #404040,inset -3px -3px 0 #fff;background:#b4b4c4}
.tbtn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;max-width:min(280px,45vw);font:400 9.3px var(--px);color:#000;background:#d9d9e8;box-shadow:inset 3px 3px 0 #404040,inset -3px -3px 0 #fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-decoration:none}
@media(hover:hover){.tbtn:hover{background:#d9d9e8}}
.tbtn .pix{width:20px;height:20px}
.clock{margin-left:auto;display:flex;align-items:center;gap:8px;padding:0 12px;height:40px;box-shadow:inset 2px 2px 0 #808080,inset -2px -2px 0 #fff;font:400 9.3px/1.3 var(--px);color:#000;text-align:center}
.clock b{display:block;font-size:17px}
.smenu{position:fixed;left:8px;bottom:calc(var(--tb) - 2px);width:min(320px,calc(100% - 16px));background:#c0c0c0;border:3px solid #fff;border-right-color:#404040;border-bottom-color:#404040;box-shadow:5px 5px 0 rgba(0,0,0,.55);display:none;z-index:70;flex-direction:row}
.smenu.on{display:flex}
.smenu .side{width:38px;background:linear-gradient(#3a1aa0,#6a3ad0);color:#fff;font:400 13.6px var(--px);writing-mode:vertical-rl;transform:rotate(180deg);text-align:left;padding:10px 6px;letter-spacing:.1em}
.smenu ul{list-style:none;margin:0;padding:4px;flex:1}
.smenu a{display:flex;align-items:center;gap:14px;min-height:50px;padding:6px 12px;font:400 11.2px var(--px);color:#000;text-decoration:none}
.smenu a .pix{width:32px;height:32px}
@media(hover:hover){.smenu a:hover,.smenu a:focus-visible{background:var(--title);color:#fff;outline:0}}
.smenu hr{border:0;border-top:2px solid #808080;border-bottom:2px solid #fff;margin:4px 6px}

/* карта курса */
.legend{display:flex;gap:20px;color:var(--muted);font-size:14px;margin:0 0 8px;flex-wrap:wrap}
.legend i{display:inline-block;width:18px;height:18px;border:3px solid var(--title);margin-right:7px;vertical-align:-3px;background:var(--cream)}
.legend i.p{background:var(--yellow)}.legend i.s{background:var(--title)}.legend i.n{outline:3px dashed var(--red);outline-offset:1px}
.howto{display:flex;gap:12px;align-items:center;background:var(--yellow-soft);border:3px solid #000;padding:10px 16px;margin:12px 0 18px;box-shadow:var(--hard);font-size:15.5px}
.howto .pix{width:32px;height:32px}
.track{display:grid;grid-template-columns:300px 1fr;gap:22px;align-items:center;padding:16px 0;border-top:3px double var(--line)}
.track .head{display:flex;gap:14px;align-items:center}
.track .head .pix{width:48px;height:48px}
.track h3{margin:0;font-size:15px;white-space:nowrap}
.track .sub{color:var(--muted);font-size:14px}.track .head>div{min-width:0;flex:1}
.cnt{margin-left:auto;font-weight:700;font-size:15px;background:var(--cream);border:2px solid var(--title);padding:2px 8px;white-space:nowrap}
.path{display:flex;align-items:center;overflow-x:auto;padding:22px 10px 16px}
.path .ln{height:0;border-top:4px dotted var(--ink2);flex:1;min-width:14px}
.path .ln.done{border-top-style:solid;border-color:var(--title)}
.node{position:relative;width:60px;height:60px;flex:none;display:flex;align-items:center;justify-content:center;font:400 10.5px var(--px);color:var(--title);background:var(--cream);border:3px solid var(--title);box-shadow:var(--hard);text-decoration:none}
@media(hover:hover){.node:hover{background:var(--cream2);text-decoration:none;transform:translate(-1px,-1px);box-shadow:5px 5px 0 #000;z-index:2}}
.node:active{transform:translate(3px,3px);box-shadow:1px 1px 0 #000}
.node.passed{background:var(--yellow)}
.node.sent{background:var(--title);color:#fff;border-color:#000}
.node.sent .pix{width:26px;height:26px}
.node.next{outline:4px dashed var(--red);outline-offset:3px;animation:nxt 1s steps(2) infinite}
@keyframes nxt{50%{outline-color:transparent}}
.node::after{content:attr(data-t);position:absolute;bottom:calc(100% + 12px);left:50%;transform:translateX(-50%);background:#ffffe1;color:#000;border:2px solid #000;padding:3px 9px;font:400 14px var(--mono);white-space:nowrap;opacity:0;pointer-events:none;z-index:5}
@media(hover:hover){.node:hover::after,.node:focus-visible::after{opacity:1}}

/* задание */
.task-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:30px;align-items:start}
.aside{position:sticky;top:14px;display:flex;flex-direction:column;gap:18px;max-height:calc(100vh - 100px);overflow:auto;padding:4px 6px 30px 2px}
.aside h2{font-size:19px;margin:0;color:var(--muted)}
.tk-head{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:4px 0 6px}
.tk-head .pix{width:52px;height:52px}
.stepper{display:flex;align-items:center;margin:14px 0 22px;max-width:600px}
.stepper .st{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:700}
.stepper .st i{width:34px;height:34px;border:3px solid var(--ink2);display:flex;align-items:center;justify-content:center;font:400 9.9px var(--px);font-style:normal;flex:none;background:#fff}
.stepper .st.on{color:var(--ink)}.stepper .st.on i{background:var(--yellow);border-color:#000;color:#000;box-shadow:3px 3px 0 #000}
.stepper .st.ok{color:var(--ink)}.stepper .st.ok i{background:var(--title);border-color:#000;color:#fff}
.stepper .ln{flex:1;border-top:4px dotted var(--ink2);margin:0 12px;min-width:18px}
.cond{position:relative;font-size:17px;line-height:1.65;background:#fff;border:3px solid var(--title);box-shadow:var(--hard);padding:30px 22px 18px;margin:0 0 22px;max-width:none}
.cond::before{content:"Задание";position:absolute;top:-3px;left:-3px;font:400 9.3px var(--px);background:var(--title);color:#fff;padding:3px 12px;letter-spacing:.04em}
.io{display:grid;grid-template-columns:1fr 38px 1fr;gap:8px;align-items:stretch;margin:6px 0 4px}
.io .term{background:var(--code-bg);overflow:hidden;min-width:0;color:var(--code-text);border:3px solid #000}
.io .term header{font:400 9.3px var(--px);color:#fff;padding:3px 12px;background:var(--code-bar)}
.io .term pre{margin:0;background:none;border:0;box-shadow:none}
.io .arrow{display:flex;align-items:center;justify-content:center;color:var(--title)}.io .arrow svg{width:30px;height:30px}
.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0 0;align-items:center}
.toolbar .sp{flex:1}
.editor{margin:10px 0;border:3px solid #000;background:var(--code-bg)}
.editor .bar2{display:flex;align-items:center;gap:8px;background:var(--code-bar);padding:5px 12px;color:#fff;font:400 9.3px var(--px)}
.editor .bar2 i{width:12px;height:12px;background:#c0c0c0;border:2px solid #fff;display:inline-block}
textarea.code,.editor textarea{width:100%;min-height:290px;font:400 15px/1.6 var(--mono);background:var(--code-bg);color:var(--code-text);border:0;padding:14px 16px;resize:vertical;display:block;tab-size:4}
.editor textarea:focus{outline:3px dashed #ffe44d;outline-offset:-5px}
.res{margin:16px 0 0;border:3px solid #000;box-shadow:var(--hard);overflow:hidden;display:none;background:#fff}
.res.on{display:block}
.res .rh{display:flex;gap:10px;align-items:center;padding:11px 16px;font-weight:700;font-size:18px}
.res.pass .rh{background:var(--ok-soft);color:var(--ok)}
.res.fail .rh{background:var(--red-soft);color:var(--red)}
.res.wait .rh{color:var(--muted)}
.res ul{margin:0;padding:12px 18px 14px 40px}.res li{margin:5px 0}
.res pre{margin:0;border:0;box-shadow:none}
.sendbox{display:flex;gap:12px;flex-wrap:wrap;align-items:center;background:#d4d4dc;border:3px dashed #55547a;padding:16px 18px;margin-top:18px}
.sendbox.ready{background:var(--yellow-soft);border:3px solid #000;box-shadow:var(--hard)}
.sendbox input{max-width:230px}
.q{width:38px;height:38px;border:3px solid var(--title);background:var(--cream);color:var(--title);cursor:pointer;font:400 11.2px var(--px);box-shadow:3px 3px 0 #000}@media(hover:hover){.q:hover{background:var(--cream2)}}
input[type=text],input:not([type]),select{font:400 16px var(--mono);color:#000;background:#fff;border:3px solid #55547a;box-shadow:inset 2px 2px 0 #aaa;padding:10px 12px;width:100%;max-width:380px;min-height:46px}
input:focus,textarea:focus,select:focus{outline:3px dashed #000;outline-offset:2px}
label.fl{display:block;font-weight:700;margin:14px 0 6px}
.box{background:#fff;border:3px solid #55547a;box-shadow:3px 3px 0 #55547a;padding:16px 20px;margin:16px 0}
.box>:last-child{margin-bottom:0}
details summary{cursor:pointer;color:var(--title);font-weight:700}details[open] summary{margin-bottom:8px}
.pager{display:flex;justify-content:space-between;gap:10px;margin:30px 0}

/* теория: мини-окна */
.plate{position:relative;background:var(--st1);border:3px solid var(--title);box-shadow:var(--hard);padding:0 16px 14px;color:#1b1450}
.plate:nth-of-type(5n+2){background:var(--st3)}.plate:nth-of-type(5n+3){background:var(--st4)}.plate:nth-of-type(5n+4){background:var(--st5)}.plate:nth-of-type(5n){background:var(--st2)}
.plate h3{background:var(--title);color:#fff;font-size:16px;margin:0 -16px 12px;padding:5px 12px}
.plate p{font-size:14.5px;margin:0 0 8px}
.plate pre{font-size:13.5px;margin:6px 0 0;padding:10px 12px}
.plate.warn{background:var(--st2)}
.plate.warn h3{background:var(--red)}
.plate .tag{display:inline-block;background:#fff;color:var(--red);border:2px solid var(--red);font:400 8.1px var(--px);padding:0 8px;margin:0 0 8px}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 26px}
.tabs button,.cab-tabs button{font:400 9.9px var(--px);color:var(--title);background:var(--cream);border:3px solid var(--title);box-shadow:3px 3px 0 #000;padding:9px 16px;cursor:pointer;min-height:44px}
@media(hover:hover){.tabs button:hover,.cab-tabs button:hover{background:var(--cream2)}}
.tabs button.on,.cab-tabs button.on{background:var(--title);color:#fff;border-color:#000}
.plates{columns:3 290px;column-gap:26px;padding-top:6px}.plates .plate{break-inside:avoid;margin-bottom:26px}

/* таблицы, проекты, кабинет */
table{border-collapse:collapse;width:100%;font-size:16px;background:#fff;border:3px solid #55547a}td,th{border:1px solid var(--line);padding:8px 10px;text-align:left}th{background:var(--surface2);font-weight:700}
.matrix td{text-align:center}.matrix td:first-child,.matrix th:first-child{text-align:left}
.pr{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.pr .card{background:#fff;border:3px solid var(--title);box-shadow:var(--hard);padding:16px 18px}
.meta{display:flex;gap:14px;color:var(--muted);font-size:15px;margin-top:10px;flex-wrap:wrap}
.bar{height:16px;background:#fff;border:3px solid var(--title);padding:2px}.bar i{display:block;height:100%;background:var(--title)}
.gate{max-width:560px;margin:30px auto}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:14px 0}
.kpi{background:#fff;border:3px solid var(--title);box-shadow:3px 3px 0 #000;padding:12px 16px}.kpi b{display:block;font:400 21.1px var(--px);line-height:1.1;color:var(--title)}
.cab-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
.stuck{color:var(--red)}
.chip{font-size:14px;padding:1px 9px;background:var(--surface2);color:var(--muted);border:2px solid var(--line);white-space:nowrap;font-weight:700}.chip.done{background:var(--ok-soft);color:var(--ok);border-color:var(--ok)}
.linkgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.linkgrid a{display:block;background:var(--cream);border:3px solid var(--title);box-shadow:3px 3px 0 #000;padding:12px 16px;color:var(--ink);text-decoration:none;font-weight:700}@media(hover:hover){.linkgrid a:hover{background:var(--cream2)}}
.callout{background:var(--yellow-soft);border:3px solid #000;padding:12px 16px;margin:10px 0}

/* квиз: список как папка, карточка как в окне */
.qlist{border:3px solid #55547a;background:#fff;box-shadow:inset 2px 2px 0 #aaa}
.qrow{display:flex;align-items:center;gap:18px;width:100%;text-align:left;font:400 11.8px var(--px);color:var(--title);background:#fff;border:0;border-bottom:2px dotted var(--line);padding:12px 18px;cursor:pointer;min-height:76px}
.qrow:last-child{border-bottom:0}
.qrow .pix{width:52px;height:52px}
@media(hover:hover){.qrow:hover,.qrow:focus-visible{background:var(--lav);outline:0}}
.qrow small{display:block;color:var(--muted);font-size:15px}
.qrow .go{margin-left:auto;font-weight:700;font-size:15px;background:var(--cream);border:2px solid var(--title);padding:3px 10px;white-space:nowrap}
.intro{text-align:center;max-width:640px;margin:10px auto}
.intro .pix{width:96px;height:96px;margin:0 auto 12px}
.intro h1{font-size:clamp(15px,2.4vw,20px);line-height:1.5}
.intro .btn{display:flex;width:100%;max-width:440px;margin:14px auto}
.intro .in2{text-align:left;max-width:440px;margin:18px auto 6px}
.qtop{display:flex;justify-content:space-between;gap:10px;font-weight:700;margin-bottom:8px;flex-wrap:wrap}
.segs{display:flex;gap:3px;margin:0 0 18px}.segs i{flex:1;height:14px;background:#fff;border:2px solid var(--title)}.segs i.d{background:var(--title)}.segs i.c{background:var(--yellow)}
.qq{font-size:18px;line-height:1.5;font-weight:600;margin:0 0 14px;max-width:none}
button.o{display:flex;gap:14px;align-items:center;width:100%;text-align:left;margin:12px 0;font:600 16px/1.35 var(--mono);color:var(--title);background:var(--cream);border:3px solid var(--title);box-shadow:var(--hard);padding:13px 16px;cursor:pointer;min-height:58px}
button.o b{flex:none;width:32px;height:32px;background:var(--title);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px}
@media(hover:hover){button.o:hover:not(:disabled){background:var(--cream2);transform:translate(-1px,-1px);box-shadow:5px 5px 0 #000}}
button.o:active:not(:disabled){transform:translate(3px,3px);box-shadow:1px 1px 0 #000}
button.o:disabled{cursor:default}
button.o.ok{background:var(--ok-soft);border-color:var(--ok);color:#0e4a1b}button.o.ok b{background:var(--ok)}
button.o.bad{background:var(--red-soft);border-color:var(--red);color:#6a0f1c}button.o.bad b{background:var(--red)}
.fb{border:3px solid #000;box-shadow:var(--hard);background:#fff;padding:14px 18px;margin-top:18px}
.fb .v{font:400 13.6px var(--px);margin:0 0 4px}.fb .v.g{color:var(--ok)}.fb .v.r{color:var(--red)}

@media(max-width:900px){.task-grid{grid-template-columns:1fr}.aside{position:static;max-height:none}.track{grid-template-columns:1fr;gap:6px}main.wrap>.in{padding:18px 16px 28px}}
@media(max-width:560px){body{font-size:16px}.wb span{display:none}.wb{padding:7px 10px}.node{width:52px;height:52px}.icons{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 2px}a.ico{font-size:14px;padding:8px 2px}a.ico span{font-size:9px;overflow-wrap:anywhere}a.ico small{font-size:12px;overflow-wrap:anywhere}a.ico .pix{width:56px;height:56px}.clock small{display:none}.io{grid-template-columns:1fr}.io .arrow{transform:rotate(90deg)}.btn{padding:12px 16px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto}}

.m{font-size:.95em}.tbar .wb{font-size:11px}.start{font-size:12px!important}.tbtn{font-size:11px!important}.smenu a{font-family:var(--px);font-size:12px;line-height:1.3}.clock{font-size:12px}.clock b{font-size:13px}.node{font-size:12px}.stepper .st{font-family:var(--mono);font-weight:600;font-size:15px}.tabs button,.cab-tabs button{font-size:11px;line-height:1.4}.qrow{font-size:13px;line-height:1.5}.qrow small{font-family:var(--mono);font-size:13px}.kpi b{font-size:22px}.res .rh{font-family:var(--mono)}.plate h3{font-size:11px;line-height:1.5}.cnt{font-family:var(--mono);font-size:13px}
.btn.sm{font-size:11px!important;padding:8px 12px}.btn.big{font-size:14px!important}
.cond::before{font-size:11px;padding:5px 12px}.io .term header,.editor .bar2{font-size:11px;padding:5px 12px}
.howto,.legend{font-family:var(--mono)}.bubble{font-size:11px}
.task-grid>*{min-width:0}.in{min-width:0;overflow-wrap:anywhere}
@media(max-width:900px){.task-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:560px){.stepper{gap:4px}.stepper .ln{display:none}.stepper .st{flex:1;font-size:12px;gap:6px}.stepper .st i{width:28px;height:28px}main.wrap{width:calc(100% - 12px);margin-top:6px}.sendbox input{max-width:100%}.tbar .ti{font-size:10px}}

.track,.plate,.pr .card{content-visibility:auto;contain-intrinsic-size:auto 160px}
html{scroll-behavior:auto}
.bubble{animation:none}
@media(prefers-reduced-motion:no-preference){.bubble{animation:bob 1.2s steps(2) infinite}}
@media print{.taskbar,.smenu,.tbar .wb,.cab-tabs,.btns,.howto{display:none!important}body{background:#fff;padding:0}main.wrap{width:100%;margin:0;box-shadow:none;background:#fff;padding:0}main.wrap>.in{box-shadow:none;min-height:0;padding:0}.tbar{color:#000}}
/* подсказки робота, «что дальше», игры */
.hintbox{background:var(--yellow-soft);border-top:3px solid #000;padding:12px 18px 6px}
.hintbox h4{margin:0 0 8px;font:400 10px var(--px);color:var(--title)}
.hint{margin:0 0 10px}.hint b{display:block;color:var(--ink)}.hint p{margin:2px 0 0;font-size:15px}
.nextbox{margin:18px 0 0;background:#fff;border:3px solid #000;box-shadow:var(--hard)}
.nextbox h3{margin:0;background:var(--ok);color:#fff;padding:8px 16px;font-size:20px}
.nx-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0}
.nx-c{padding:14px 16px;display:grid;gap:8px;align-content:start;border-right:3px dashed #9d9cb8;min-width:0}
.nx-c:last-child{border-right:0}
.nx-c .btn{justify-self:start;max-width:100%}
.nx-n{font-size:16px;line-height:1.4}
.nx-bar,.nx-wk{display:flex;gap:5px}
.nx-bar i,.nx-wk i{width:22px;height:22px;border:3px solid #55547a;background:#fff;display:block}
.nx-bar i.on{background:var(--title);border-color:#000}
.nx-wk i.on{background:var(--yellow);border-color:#000}.nx-wk i.today{outline:3px dashed var(--red);outline-offset:2px}
@media(max-width:560px){.nx-c{border-right:0;border-bottom:3px dashed #9d9cb8}.nx-c:last-child{border-bottom:0}}
.nx-choice{padding:14px 16px;display:grid;gap:10px;border-bottom:3px dashed #9d9cb8}
.nx-btns{display:flex;gap:14px;flex-wrap:wrap;align-items:stretch}
.nx-btns .btn{max-width:100%;text-align:center}
.nx-done{align-self:center;color:var(--muted);font-weight:700}

/* Карточка задания перед работой */
.brief{position:fixed;inset:0;z-index:900;background:rgba(10,20,40,.62);display:flex;align-items:center;justify-content:center;padding:16px;animation:bfIn .18s ease-out}
.brief .win{width:min(720px,100%);max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow:auto;background:var(--paper);border:3px solid var(--hard);box-shadow:6px 6px 0 var(--hard);-webkit-overflow-scrolling:touch}
.brief .tb{background:var(--title);color:#fff;font:400 12px/1.5 var(--px);padding:10px 14px;position:sticky;top:0}
.brief .bd{padding:18px 20px;display:grid;gap:14px;overflow-wrap:anywhere}
.brief h2{margin:0;font-size:clamp(15px,2.6vw,20px);line-height:1.5}
.brief .cond{font-size:clamp(17px,2.4vw,20px);line-height:1.6;margin:0}
.brief ol{margin:0;padding-left:22px;display:grid;gap:6px;line-height:1.55}
.brief .sm-ex{background:var(--cream);border:2px dashed var(--hard);padding:12px 14px}
.brief .sm-ex pre{margin:8px 0 0;white-space:pre-wrap;word-break:break-word;font:500 14px/1.55 var(--mono)}
.brief .lab{font:400 11px/1.6 var(--px);color:var(--title)}
@keyframes bfIn{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.brief{animation:none}}

a.ico span,a.ico small{max-width:100%}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}