/* Обход · проверка знания четвертичной системы
   Одна вёрстка на телефон, планшет и компьютер. */

:root{
  --blue:#0C6FF1; --blue-d:#0555BF; --blue-l:#DFEEFE; --blue-p:#F4F9FF;
  --ink:#161616; --grey:#5F5F5F; --line:#DCDCDC; --bg:#F2F5F9;
  --ok:#12A150; --warn:#E08700; --bad:#DC3545;
  --r:14px;
  --topbar-h:60px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:'AlSans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--ink); background:var(--bg); font-size:15px; line-height:1.5;
  -webkit-font-smoothing:antialiased; overflow-wrap:break-word;
}
h1,h2,h3{margin:0;font-family:'AlSansB','AlSans',sans-serif;font-weight:400;letter-spacing:.01em}
button{font-family:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
[hidden]{display:none!important}
.hide{display:none!important}

/* ---------- верхняя панель ---------- */
.topbar{
  position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line);
  padding:11px 20px;display:flex;align-items:center;gap:14px;min-height:var(--topbar-h);
}
.tb-logo{height:34px;display:block;flex:none}
.tb-title{font-family:'AlSansM',sans-serif;font-size:14px;line-height:1.25;flex:none}
.tb-title small{display:block;color:var(--grey);font-family:'AlSans',sans-serif;font-size:12px}
.tb-nav{display:flex;gap:4px;margin-left:14px;flex:1;min-width:0;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.tb-nav::-webkit-scrollbar{display:none}
.tb-nav button{
  border:none;background:none;padding:8px 12px;border-radius:9px;color:var(--grey);
  font-family:'AlSansM',sans-serif;font-size:13.5px;cursor:pointer;white-space:nowrap;
}
.tb-nav button:hover{background:var(--blue-p);color:var(--blue-d)}
.tb-nav button.on{background:var(--blue-l);color:var(--blue-d)}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.tb-user{text-align:right;font-size:13px;line-height:1.3}
.tb-user b{font-family:'AlSansM',sans-serif;font-weight:400;display:block}
.tb-user span{color:var(--grey);font-size:12px}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--blue-l);color:var(--blue-d);
  display:grid;place-items:center;font-family:'AlSansB',sans-serif;font-size:13px;flex:none;
  border:none;cursor:pointer;padding:0}
.burger{display:none;width:40px;height:40px;border:none;background:none;padding:9px 8px;cursor:pointer;flex:none}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px;margin:4px 0}

/* значок связи */
.netdot{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--grey);
  background:#EDF1F6;border-radius:999px;padding:5px 11px;white-space:nowrap;border:none;cursor:pointer}
.netdot i{width:8px;height:8px;border-radius:50%;background:var(--ok);display:block;flex:none}
.netdot.off i{background:var(--grey)}
.netdot.pend i{background:var(--warn)}
.netdot.err i{background:var(--bad)}

/* ---------- боковое меню (телефон/планшет) ---------- */
.drawer-bg{position:fixed;inset:0;background:rgba(10,20,35,.5);z-index:80;display:none}
.drawer-bg.on{display:block}
.drawer{
  position:fixed;top:0;bottom:0;left:0;width:270px;max-width:84vw;background:#fff;z-index:81;
  transform:translateX(-102%);transition:transform .22s ease;padding:18px 14px calc(18px + var(--safe-b));
  overflow:auto;box-shadow:2px 0 24px rgba(20,40,70,.16);
}
.drawer.on{transform:none}
.drawer-head{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:12px}
.drawer-head b{display:block;font-family:'AlSansM',sans-serif;font-weight:400}
.drawer-head span{color:var(--grey);font-size:12.5px}
.drawer nav{display:flex;flex-direction:column;gap:2px}
.drawer nav button{
  text-align:left;border:none;background:none;padding:12px 13px;border-radius:10px;
  font-family:'AlSansM',sans-serif;font-size:15px;cursor:pointer;color:var(--ink);
}
.drawer nav button.on{background:var(--blue-l);color:var(--blue-d)}
.drawer nav button.sep{margin-top:10px;border-top:1px solid var(--line);border-radius:0;
  padding-top:16px;color:var(--grey);font-size:14px}

/* ---------- каркас ---------- */
.wrap{max-width:1040px;margin:0 auto;padding:20px 20px calc(120px + var(--safe-b))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.card + .card{margin-top:16px}
.card h2{font-size:19px;color:var(--blue);margin-bottom:4px}
.sub{color:var(--grey);font-size:13px;margin-bottom:18px}
.sub:last-child{margin-bottom:0}
.hero{background:linear-gradient(135deg,#0C6FF1,#0546A8);color:#fff;border:none;border-radius:var(--r);
  padding:26px 24px;margin-bottom:16px}
.hero h1{font-size:25px;margin-bottom:6px;line-height:1.2}
.hero p{margin:0;opacity:.9;font-size:14px;max-width:620px}
.note{background:var(--blue-p);border-left:3px solid var(--blue);border-radius:0 8px 8px 0;
  padding:12px 14px;font-size:13px;color:#33465C;margin-bottom:16px}
.note.warn{background:#FFF8EC;border-left-color:var(--warn);color:#6B4A05}
.empty{text-align:center;color:var(--grey);padding:38px 18px;font-size:14px}

/* ---------- поля ---------- */
label.f{display:block;margin-bottom:14px}
label.f > span{display:block;font-family:'AlSansM',sans-serif;font-size:13px;margin-bottom:6px}
label.f > span i{color:var(--blue);font-style:normal}
input[type=text],input[type=password],input[type=number],input[type=date],select,textarea{
  width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:#fff;
  transition:border-color .15s, box-shadow .15s; font-size:16px;
}
@media(min-width:700px){
  input[type=text],input[type=password],input[type=number],input[type=date],select,textarea{font-size:15px}
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(12,111,241,.14)}
textarea{resize:vertical;min-height:96px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0 18px}

/* ---------- кнопки ---------- */
.btn{
  border:none;border-radius:10px;padding:12px 20px;background:var(--blue);color:#fff;
  font-family:'AlSansM',sans-serif;cursor:pointer;transition:.15s;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
}
.btn:hover{background:var(--blue-d)}
.btn:disabled{background:#C7D3E0;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn.ghost:hover{background:var(--blue-p)}
.btn.grey{background:#EDF1F6;color:var(--ink)}
.btn.grey:hover{background:#E2E8F0}
.btn.danger{background:var(--bad)}
.btn.danger:hover{background:#B62B39}
.btn.danger.ghost{background:#fff;color:var(--bad);border-color:var(--bad)}
.btn.danger.ghost:hover{background:#FDF0F1}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:8px;min-height:36px}
.btn.wide{width:100%}
.row-btns{display:flex;gap:10px;flex-wrap:wrap}
.icon-btn{border:none;background:none;color:var(--grey);cursor:pointer;padding:8px;border-radius:8px;
  font-size:18px;line-height:1;min-width:38px;min-height:38px}
.icon-btn:hover{background:#EDF1F6;color:var(--bad)}

/* ---------- подпись ---------- */
.sigbox{border:1.5px dashed var(--line);border-radius:12px;padding:16px;display:flex;align-items:center;
  gap:16px;background:var(--blue-p);flex-wrap:wrap}
.sigbox img{max-height:70px;max-width:240px}
.sigbox .ph{color:var(--grey);font-size:13px;flex:1;min-width:180px}
.sig-ok{color:var(--ok);font-family:'AlSansM',sans-serif;font-size:13px}

/* росчерк в списке подписей */
.sigthumb{border:1px solid var(--line);border-radius:10px;background:#fff;padding:6px 10px;
  display:grid;place-items:center;min-width:150px;height:62px;flex:none}
.sigthumb img{max-height:48px;max-width:128px}
.sigthumb .none{color:var(--grey);font-size:12px}

/* ---------- окна ---------- */
.modal{position:fixed;inset:0;background:rgba(10,20,35,.55);display:none;place-items:center;z-index:100;padding:16px}
.modal.on{display:grid}
.modal-in{background:#fff;border-radius:16px;max-width:680px;width:100%;padding:24px;max-height:92vh;overflow:auto}
.modal-in.wide{max-width:880px}
.modal-in.narrow{max-width:460px}
.modal-in h3{font-size:19px;color:var(--blue);margin-bottom:4px}
.pad-wrap{border:1.5px solid var(--line);border-radius:12px;background:#fff;position:relative;margin:14px 0 6px;touch-action:none}
.pad-wrap canvas{display:block;width:100%;height:230px;border-radius:12px;cursor:crosshair;touch-action:none}
.pad-line{position:absolute;left:24px;right:24px;bottom:52px;border-bottom:1.5px dashed #C9D6E4;pointer-events:none}
.pad-hint{position:absolute;left:0;right:0;bottom:28px;text-align:center;color:#AEBBC9;font-size:12px;pointer-events:none}

/* ---------- чек-лист ---------- */
.q{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px;background:#fff}
.q-h{background:var(--blue-l);padding:12px 16px;display:flex;gap:12px;align-items:flex-start}
.q-n{min-width:26px;height:26px;border-radius:8px;background:var(--blue);color:#fff;display:grid;
  place-items:center;font-family:'AlSansB',sans-serif;font-size:13px;flex:none}
.q-t{font-family:'AlSansM',sans-serif;font-size:14.5px;padding-top:2px}
.opt{display:flex;align-items:center;gap:12px;padding:12px 16px;border-top:1px solid #EEF2F6;
  cursor:pointer;transition:background .12s;min-height:48px}
.opt:hover{background:var(--blue-p)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.box{min-width:22px;width:22px;height:22px;border:1.5px solid #C3CFDB;border-radius:6px;display:grid;
  place-items:center;transition:.12s;flex:none}
.opt.on .box{background:var(--blue);border-color:var(--blue)}
.box svg{width:12px;height:12px;stroke:#fff;stroke-width:2.6;fill:none;opacity:0}
.opt.on .box svg{opacity:1}
.opt .txt{flex:1;font-size:14px}
.opt.on .txt{font-family:'AlSansM',sans-serif}
.pt{min-width:46px;text-align:center;font-family:'AlSansM',sans-serif;font-size:13px;color:var(--grey);
  background:#F3F6FA;border-radius:7px;padding:4px 0;flex:none}
.opt.on .pt{background:var(--blue-l);color:var(--blue-d)}

/* ---------- нижняя панель счёта ---------- */
.scorebar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);
  padding:10px 20px calc(10px + var(--safe-b));box-shadow:0 -6px 20px rgba(20,40,70,.07);
}
.scorebar .inner{max-width:1040px;margin:0 auto;width:100%;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.metric{line-height:1.15}
.metric b{font-family:'AlSansB',sans-serif;font-size:19px;display:block;color:var(--blue)}
.metric span{font-size:11px;color:var(--grey);text-transform:uppercase;letter-spacing:.04em}
.chip{padding:6px 14px;border-radius:999px;font-family:'AlSansM',sans-serif;font-size:13px;white-space:nowrap}
.chip.ok{background:#E4F7EC;color:var(--ok)} .chip.warn{background:#FFF3DE;color:var(--warn)}
.chip.bad{background:#FDE7E9;color:var(--bad)} .chip.n{background:#EDF1F6;color:var(--grey)}
.chip.sm{font-size:12px;padding:4px 10px}
.scorebar .sp{margin-left:auto}

/* ---------- плитки и списки ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat b{font-family:'AlSansB',sans-serif;font-size:24px;color:var(--blue);display:block;line-height:1.1}
.stat span{font-size:12px;color:var(--grey)}
.act{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);
  border-radius:12px;background:#fff;margin-bottom:10px;flex-wrap:wrap}
.act.gone{opacity:.6;background:#FAFBFC}
.act .no{min-width:36px;height:36px;border-radius:9px;background:var(--blue-l);color:var(--blue-d);
  display:grid;place-items:center;font-family:'AlSansB',sans-serif;font-size:13px;flex:none}
.act .who{flex:1;min-width:180px;line-height:1.35}
.act .who b{font-family:'AlSansM',sans-serif;font-weight:400}
.act .who span{display:block;font-size:12.5px;color:var(--grey)}
.act .acts{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.viewer{display:flex;flex-direction:column;gap:14px;align-items:center}
.viewer canvas{width:100%;max-width:794px;box-shadow:0 3px 16px rgba(20,40,70,.16);border-radius:4px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(96px + var(--safe-b));
  background:#12233B;color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;z-index:200;
  opacity:0;transition:.25s;pointer-events:none;max-width:calc(100vw - 32px);text-align:center}
.toast.on{opacity:1}
.steps{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.step{font-size:12.5px;color:var(--grey);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px}
.step.on{background:var(--blue);color:#fff;border-color:var(--blue);font-family:'AlSansM',sans-serif}

/* ---------- вход ---------- */
.login-page{min-height:100dvh;display:grid;place-items:center;padding:24px 18px calc(24px + var(--safe-b))}
.login-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 26px;
  width:100%;max-width:420px;box-shadow:0 10px 40px rgba(20,40,70,.08)}
.login-box img{height:44px;display:block;margin-bottom:18px}
.login-box h1{font-size:22px;color:var(--blue);margin-bottom:4px}
.login-box .sub{margin-bottom:22px}
.err{background:#FDE7E9;color:#8C1F2A;border-radius:9px;padding:10px 13px;font-size:13px;margin-bottom:14px}

/* ---------- конструктор опросника ---------- */
.qedit{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:14px;overflow:hidden}
.qedit-h{background:var(--blue-p);padding:10px 12px;display:flex;gap:8px;align-items:center;
  border-bottom:1px solid var(--line);flex-wrap:wrap}
.qedit-h .q-n{background:var(--blue)}
.qedit-h .sp{margin-left:auto;display:flex;gap:6px}
.qedit-b{padding:12px}
.qedit-b textarea{min-height:62px;margin-bottom:10px}
.oedit{display:flex;gap:8px;align-items:center;padding:7px 0;border-top:1px dashed #E7EDF3;flex-wrap:wrap}
.oedit .otext{flex:1;min-width:180px}
.oedit .oscore{width:104px;flex:none}
.oedit .odrag{color:#AEBBC9;cursor:grab;user-select:none;font-size:15px;padding:0 2px}
.taglist{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.tag{background:#EDF1F6;border-radius:999px;padding:6px 8px 6px 13px;font-size:13px;display:flex;
  align-items:center;gap:4px}
.tag button{border:none;background:none;cursor:pointer;color:var(--grey);font-size:15px;line-height:1;padding:2px 4px}
.tag button:hover{color:var(--bad)}

/* ---------- таблица пользователей ---------- */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -4px}
table.grid{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
table.grid th{text-align:left;font-family:'AlSansM',sans-serif;font-size:12.5px;color:var(--grey);
  padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.grid td{padding:10px;border-bottom:1px solid #EEF2F6;vertical-align:middle}
table.grid tr:last-child td{border-bottom:none}

/* ---------- телефон ---------- */
/* пунктов в меню много — на узком мониторе название сайта уступает им место */
@media(max-width:1439px){
  .tb-title{display:none}
}
@media(max-width:900px){
  .tb-nav{display:none}
  .burger{display:block}
}
@media(max-width:600px){
  .topbar{padding:9px 12px;gap:10px}
  .tb-logo{height:28px}
  .tb-user{display:none}
  .wrap{padding:14px 12px calc(120px + var(--safe-b))}
  .card{padding:16px 14px;border-radius:12px}
  .hero{padding:20px 16px}
  .hero h1{font-size:21px}
  .modal{padding:0}
  .modal-in{max-height:100dvh;height:100dvh;border-radius:0;padding:20px 16px calc(20px + var(--safe-b))}
  .scorebar{padding:8px 12px calc(8px + var(--safe-b))}
  .scorebar .inner{gap:10px}
  .metric b{font-size:16px}
  .metric span{font-size:10px}
  .scorebar .sp{width:100%;margin:0}
  .scorebar .btn{flex:1}
  .act{padding:12px;gap:10px}
  .act .acts{width:100%}
  .act .acts .btn{flex:1}
  .opt{padding:12px}
  .q-h{padding:10px 12px}
  .stat{padding:12px}
  .stat b{font-size:20px}
  .row-btns .btn{flex:1 1 auto}
}
@media(max-width:380px){
  .pt{min-width:40px;font-size:12px}
  .opt .txt{font-size:13.5px}
}

/* печать */
@media print{
  .topbar,.scorebar,.drawer,.drawer-bg,.toast{display:none!important}
  .wrap{padding:0;max-width:none}
  .card{border:none;box-shadow:none}
}