/* Student cabinet: the slavaspitsyn.com look (Inter, white on light grey, one
   orange accent), mobile first. Tokens mirror apps/web/src/styles/global.css. */
@font-face{font-family:"Inter Cabinet";font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/fonts/inter-cyrillic.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter Cabinet";font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/fonts/inter-latin.woff2) format("woff2-variations");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}
:root{
  color-scheme:light;
  --bg:#f3f4f5;--paper:#fff;--ink:#111214;--text:#2f3033;--muted:#73716c;
  --line:#d9dde1;--line-strong:#c3c9cf;--accent:#ef4d2f;--accent-hover:#cf361d;--accent-soft:#f8d9d0;
  --code:#0d0f11;--code-text:#f0eee8;--radius:18px;
  --sans:"Inter Cabinet",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace
}
*{box-sizing:border-box}
html{min-width:320px;text-size-adjust:100%;-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-underline-offset:3px}
a:hover{color:var(--accent-hover)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:12px;top:-60px;padding:8px 12px;background:var(--ink);color:#fff;border-radius:8px}
.skip:focus{top:12px}
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;width:min(760px,100% - 32px);margin:0 auto;padding:18px 0}
.brand{display:flex;flex-direction:column;color:var(--ink);text-decoration:none;font-weight:600;line-height:1.2}
.brand small{color:var(--muted);font-weight:500;font-size:13px}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;font-size:15px}
.nav a{text-decoration:none;color:var(--text)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px}
.nav form{margin:0}
.linkish{padding:0;border:0;background:none;color:var(--muted);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.linkish:hover{color:var(--accent-hover)}
main{flex:1;width:min(760px,100% - 32px);margin:0 auto;padding:8px 0 48px}
h1{margin:12px 0 10px;color:var(--ink);font-size:clamp(30px,8vw,44px);font-weight:600;line-height:1.08;letter-spacing:-.03em}
h2{margin:34px 0 12px;color:var(--ink);font-size:22px;font-weight:600;letter-spacing:-.015em}
h3{margin:22px 0 8px;color:var(--ink);font-size:18px;font-weight:600}
.lead{margin:0 0 22px;font-size:18px}
.muted{color:var(--muted)}
.small{font-size:14px}
.card{margin:0 0 14px;padding:22px 20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.card>:first-child{margin-top:0}.card>:last-child{margin-bottom:0}
label{display:block;margin:0 0 6px;color:var(--ink);font-weight:600}
input[type=email]{width:100%;min-height:52px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:12px;background:#fff;color:var(--ink);font:inherit;font-size:18px}
input[type=email]:focus{border-color:var(--ink);outline:2px solid var(--accent-soft);outline-offset:0}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;margin:14px 0 0;padding:0 24px;border:1px solid var(--accent);border-radius:999px;background:var(--accent);color:#fff;font:600 17px/1.2 var(--sans);text-decoration:none;cursor:pointer}
.button:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.button.wide{width:100%}
.button.quiet{background:#fff;color:var(--ink);border-color:var(--line-strong)}
.button.quiet:hover{border-color:var(--ink);background:#fff;color:var(--ink)}
.button.danger{background:#fff;color:#a8321f;border-color:#e9b6aa}
.actions{display:flex;flex-wrap:wrap;gap:0 12px}
.actions form{margin:0}
.notice{padding:14px 16px;margin:0 0 16px;border-radius:12px;background:var(--accent-soft);color:var(--ink)}
.notice.calm{background:#e8edf1}
.error{color:#a8321f;font-weight:600}
.group{margin:28px 0 8px}
.group h2{margin:0 0 4px}
.group p{margin:0 0 12px}
.items{display:grid;gap:10px;padding:0;margin:0;list-style:none}
.item{display:block;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:14px;color:var(--ink);text-decoration:none}
.item:hover{border-color:var(--ink);color:var(--ink)}
.item b{display:block;font-weight:600;line-height:1.3}
.item span{display:block;margin-top:4px;color:var(--muted);font-size:14px}
.back{display:inline-block;margin:6px 0 4px;color:var(--muted);text-decoration:none;font-size:15px}
.licence{font-family:var(--mono);font-size:14px;word-break:break-all}
.downloads{display:grid;gap:8px;margin:12px 0 0;padding:0;list-style:none}
.downloads .button{margin:0;width:100%;justify-content:space-between}
.downloads .button small{font-weight:500;opacity:.85}
.material{margin-top:18px;padding:22px 18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow-wrap:anywhere}
.material h1,.material h2,.material h3{letter-spacing:-.01em}
.material h1{font-size:26px;margin:18px 0 8px}
.material h2{font-size:21px;margin:26px 0 8px}
.material h3{font-size:18px}
.material h4{font-size:17px;margin:20px 0 6px;color:var(--ink)}
.material p,.material li{margin:0 0 12px}
.material ul{padding-left:20px;margin:0 0 12px}
.material hr{margin:24px 0;border:0;border-top:1px solid var(--line)}
.material code{padding:1px 5px;border-radius:6px;background:#eef0f2;font:14px/1.5 var(--mono)}
.prompt{position:relative;margin:14px 0 18px}
.prompt pre{margin:0;padding:16px 14px;max-height:520px;overflow:auto;border-radius:12px;background:var(--code);color:var(--code-text);font:13px/1.6 var(--mono);white-space:pre-wrap;word-break:break-word}
.copy{display:none}
.js .copy{display:inline-flex;min-height:40px;margin:0 0 8px;padding:0 16px;font-size:15px}
.address{display:block;width:100%;padding:14px;margin:8px 0 0;border:1px dashed var(--line-strong);border-radius:12px;background:#fafbfc;color:var(--ink);font:15px/1.5 var(--mono);word-break:break-all;user-select:all}
ol.steps{padding-left:22px;margin:8px 0 0}
ol.steps li{margin:0 0 8px}
footer{width:min(760px,100% - 32px);margin:0 auto;padding:22px 0 36px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer nav{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:8px}
footer a{color:var(--muted)}
@media (min-width:640px){
  .card{padding:28px}
  .material{padding:30px 32px}
  .downloads .button{width:auto}
}
.card.spaced{margin-top:24px}

/* Tap targets: every link and button at least 44 px high (UX review, 24.10.2026). */
.nav a,.nav .linkish{display:inline-flex;align-items:center;min-height:44px;padding:0 4px}
footer nav a{display:inline-flex;align-items:center;min-height:44px}
footer nav{gap:0 16px}
.back{display:inline-flex;align-items:center;min-height:44px}
.js .copy{min-height:44px}
.item small.module{display:block;margin:0 0 2px;color:var(--accent-hover);font-size:13px;font-weight:600;letter-spacing:.01em}
.needs ul{padding-left:20px;margin:0 0 12px}
.needs li{margin:0 0 8px}
.actions .button{margin-top:14px}