:root{
  --paper:#EDEEE9;--surface:#FBFBF8;--surface-2:#E4E7DF;--ink:#16191B;--muted:#636A60;
  --line:#D2D6CB;--line-strong:#B6BCAC;--accent:#2E6F4E;--accent-ink:#FBFBF8;--accent-soft:#DCE9DF;
  --warn:#8A5D04;--warn-soft:#F2E7CE;--danger:#9E3229;--danger-soft:#F3DDD9;
  --bar:#16191B;--bar-ink:#EDEEE9;--bar-accent:#8FD1AC;
  --body:"Golos Text","Segoe UI",Arial,sans-serif;
  --display:"PT Serif",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",Consolas,"Courier New",monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#131614;--surface:#1A1E1B;--surface-2:#232823;--ink:#E7EAE3;--muted:#9AA396;
    --line:#2E342E;--line-strong:#414940;--accent:#79C09A;--accent-ink:#131614;--accent-soft:#1E2C23;
    --warn:#D9A94A;--warn-soft:#2C2618;--danger:#E0847A;--danger-soft:#2E1D1B;
    --bar:#0C0E0D;--bar-ink:#E7EAE3;--bar-accent:#79C09A;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.55}
a{color:var(--accent);text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1{font-family:var(--display);font-weight:700;font-size:clamp(26px,4vw,34px);line-height:1.15;margin:0 0 8px;text-wrap:balance}
h2{font-family:var(--display);font-weight:700;font-size:21px;line-height:1.25;margin:0 0 6px;text-wrap:balance}
p{max-width:68ch}
.sub{color:var(--muted);margin:0 0 26px}
.wrap{max-width:1080px;margin:0 auto;padding:34px 20px 72px}
section+section{margin-top:36px}

/* верхняя панель */
.bar{display:flex;align-items:center;flex-wrap:wrap;gap:0 28px;padding:0 20px;background:var(--bar);color:var(--bar-ink)}
.brand{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.03em;color:var(--bar-ink);text-decoration:none;padding:14px 0}
.brand span{font-family:var(--body);font-weight:400;font-size:13px;letter-spacing:0;opacity:.65;margin-left:6px}
.nav{display:flex;flex-wrap:wrap;gap:2px;flex:1;min-width:0}
.nav a{color:var(--bar-ink);opacity:.72;text-decoration:none;font-size:14.5px;padding:17px 10px 14px;border-bottom:3px solid transparent}
.nav a:hover{opacity:1}
.nav a.on{opacity:1;border-bottom-color:var(--bar-accent)}
.me{display:flex;align-items:center;gap:16px;font-size:13.5px;padding:10px 0}
.me .who{opacity:.7}
.me a,.me .link{color:var(--bar-ink);opacity:.88}
.me form{margin:0}
.link{background:none;border:0;padding:0;font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* кнопки и поля */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:600 14px/1.2 var(--body);padding:10px 16px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);text-decoration:none;cursor:pointer;border-radius:2px;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{padding:6px 10px;font-size:13px}
.btn.danger{background:transparent;border-color:var(--danger);color:var(--danger)}
label.f{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
input[type=text],input[type=password],select,textarea{font:inherit;font-size:15px;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:2px;padding:9px 11px;width:100%}
textarea{min-height:100px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.hint{font-size:13px;color:var(--muted);font-weight:400;margin:0}
.err{font-size:13.5px;color:var(--danger);font-weight:500;margin:0}
.req{color:var(--danger)}
.flash{padding:10px 14px;margin:0 0 20px;border-left:3px solid var(--accent);background:var(--accent-soft);max-width:none}
.flash.error{border-left-color:var(--danger);background:var(--danger-soft)}
.panel{background:var(--surface);border:1px solid var(--line)}
.chip{display:inline-block;font-size:12px;line-height:1.5;padding:1px 8px;border:1px solid var(--line-strong);background:var(--surface-2);white-space:nowrap}
.chip.ok{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.chip.off{border-color:var(--danger);color:var(--danger);background:var(--danger-soft)}
.chip.warn{border-color:var(--warn);color:var(--warn);background:var(--warn-soft)}

/* вход */
main.auth{min-height:100vh;display:grid;place-items:center;align-content:center;gap:0;padding:24px}
.auth-card{width:100%;max-width:400px;padding:32px 28px;display:flex;flex-direction:column;gap:18px}
.auth-card .flash{margin:0}
.brand-lg{font-family:var(--display);font-weight:700;font-size:30px;letter-spacing:.03em;margin:0}
.brand-lg span{display:block;font-family:var(--body);font-weight:400;font-size:14px;letter-spacing:0;color:var(--muted)}
.narrow{max-width:440px;padding:24px;display:flex;flex-direction:column;gap:16px}

/* списки разделов */
.rows{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
.row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 28px;background:var(--surface);padding:20px 22px}
.row-main{flex:1 1 360px;min-width:0}
.row-main p{margin:0;color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;font-size:13px;color:var(--muted);margin-top:8px}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

/* просмотр инструкции */
body.viewer{height:100vh;display:flex;flex-direction:column}
main.viewer-main{flex:1;display:flex;flex-direction:column;min-height:0}
main.viewer-main .flash{margin:0}
.viewer-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:8px 20px;background:var(--surface);border-bottom:1px solid var(--line)}
.viewer-tools strong{flex:1;font-weight:600;min-width:0}
main.viewer-main iframe{flex:1;width:100%;border:0;background:#FFFFFF}

/* заглушка */
.stub{padding:28px 30px;max-width:760px}
.stub h2{margin-top:6px}
.stub ul{padding-left:20px;margin:10px 0 18px}
.stub li{margin:4px 0}

/* опрос */
.survey{display:flex;flex-direction:column;gap:14px;max-width:760px}
fieldset.q{margin:0;padding:18px 20px 20px;min-width:0;display:flex;flex-direction:column;gap:10px}
fieldset.q legend{float:left;width:100%;padding:0;font-weight:600;font-size:15.5px;line-height:1.4}
fieldset.q.has-err{border-color:var(--danger);box-shadow:inset 3px 0 0 var(--danger)}
.opts{display:flex;flex-direction:column;gap:8px;clear:both}
.opt{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.opt input{margin:4px 0 0;accent-color:var(--accent);flex:0 0 auto}
.submit{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding-top:6px}

/* таблицы */
.tablebox{overflow-x:auto;background:var(--surface);border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
thead th{font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);background:var(--surface-2);font-weight:600}
tbody tr:last-child td{border-bottom:0}
.nowrap{white-space:nowrap}
.num{font-variant-numeric:tabular-nums;white-space:nowrap}
table.results td{min-width:170px}
table.results td.nowrap{min-width:0}
.inline{display:flex;align-items:center;gap:6px;margin:0}
.inline select{width:auto;padding:5px 8px;font-size:13.5px}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:0 0 16px}

/* пользователи */
.create{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;align-items:end;padding:20px 22px}
.issued{border-left:3px solid var(--warn);background:var(--warn-soft);padding:16px 20px;margin:0 0 24px;display:flex;flex-direction:column;gap:8px}
.issued p{margin:0;max-width:none}
.issued code{font-family:var(--mono);font-size:19px;letter-spacing:.04em;background:var(--surface);border:1px solid var(--line-strong);padding:3px 10px;user-select:all}

.error-page{max-width:560px;margin:80px auto;padding:0 20px;text-align:center}
.error-page .code{font-family:var(--mono);font-size:14px;color:var(--muted);margin:0 0 8px}
.error-page p{margin:0 auto 22px}

@media (max-width:760px){
  .bar{gap:0 16px}
  .nav a{padding:12px 8px 10px}
  .me .who{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}