/* ---------- Токены ---------- */
:root{
  --paper:#FAFAF6;      /* лист тетради */
  --grid:#E2E8EF;       /* клетка */
  --sheet:#FFFFFF;      /* вклеенный лист / панель */
  --ink:#1E2B40;        /* основной текст — «чернила» */
  --ink-2:#4F5D72;      /* вторичный текст (контраст ≥ 6:1 на бумаге) */
  --line:#D6DDE5;
  --green:#1E7358;      /* фирменный «вектор» */
  --green-dark:#155A44;
  --green-soft:#E3F1E9;
  --marker:#FFE58A;     /* маркер-выделитель */
  --margin:#E46A5E;     /* красная линия полей */
  --amber-soft:#FFF2D9;
  --amber-ink:#7A4E0E;
  --cell:24px;
  --radius:6px;
  --side:248px;
  --tint:#EDF1F4;        /* подложки, пустые полоски */
  --dash:#B9C4D1;        /* пунктир, рамки полей */
  --dash-ink:#6B7A8E;
  --on-accent:#FFFFFF;
  --field:#FFFFFF;
  --pie:#F4C66A;
  --header-bg:rgba(250,250,246,.92);
  --note-ink:#5A4A2E;
  --done-line:#A8D2BD;
  --done-bg:#F6FBF8;
  --current-line:#E9C94B;
  --warn-line:#D9952B;
  --font-display:Onest,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --font-body:Onest,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --shadow:none;
  --border-w:1px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--ink);
  font:16px/1.55 var(--font-body);
  font-variant-numeric:tabular-nums;
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:var(--cell) var(--cell);
}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--green)}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:4px}
[hidden]{display:none!important}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Боковая панель ---------- */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--side);
  background:var(--sheet);border-right:1px solid var(--line);
  padding:28px 18px;display:flex;flex-direction:column;gap:28px;z-index:2;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:26px;letter-spacing:-.04em}
.brand svg{flex-shrink:0}
nav{display:grid;gap:2px}
nav button{
  display:flex;align-items:center;gap:12px;width:100%;
  border:0;background:none;text-align:left;
  padding:10px 12px;border-radius:var(--radius);
  color:var(--ink-2);font-size:15px;font-weight:500;
}
nav button svg{width:20px;height:20px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
nav button:hover{background:var(--tint);color:var(--ink)}
nav button[aria-current="page"]{background:var(--green-soft);color:var(--green-dark);font-weight:700}
.profile{margin-top:auto;display:flex;gap:12px;align-items:center;padding-top:20px;border-top:1px solid var(--line);font-weight:700;font-size:15px}
.profile small{display:block;font-weight:400;font-size:13px;color:var(--ink-2)}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--marker);font-weight:800}

/* ---------- Основная область ---------- */
main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
header{
  height:64px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;
  background:var(--header-bg);border-bottom:1px solid var(--line);
  font-size:14px;color:var(--ink-2);position:sticky;top:env(safe-area-inset-top,0px);z-index:1;
  backdrop-filter:blur(6px);
}
.crumbs b{color:var(--ink);font-weight:600}
.crumbs span{margin:0 10px;color:var(--line)}
.badge{font-size:13px;padding:4px 10px;border-radius:999px;background:var(--amber-soft);color:var(--amber-ink);font-weight:600}
#app{width:100%;max-width:1180px;margin:0 auto;padding:40px 40px 48px;flex:1}
footer{padding:20px 40px;display:flex;justify-content:space-between;gap:16px;color:var(--ink-2);font-size:13px;border-top:1px solid var(--line);background:var(--paper)}
footer button{border:0;background:none;padding:0;color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;font-size:13px}

/* ---------- Типографика ---------- */
h1,h2,h3,.brand,.fact strong,.question{font-family:var(--font-display)}
h1{font-size:clamp(28px,3.4vw,40px);line-height:1.15;letter-spacing:-.03em;margin:0 0 8px;font-weight:800}
h2{font-size:22px;line-height:1.25;letter-spacing:-.02em;margin:0;font-weight:700}
h3{font-size:17px;line-height:1.3;margin:0;font-weight:700}
p{margin:0 0 12px;max-width:68ch}
.lead{font-size:18px;color:var(--ink-2);margin:0}
.muted{color:var(--ink-2)}
.small{font-size:14px}
.page-head{margin-bottom:32px;max-width:720px}
mark{background:linear-gradient(transparent 45%,var(--marker) 45%,var(--marker) 92%,transparent 92%);color:inherit;padding:0 2px}

/* ---------- Кнопки ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius);padding:12px 20px;font-size:16px;font-weight:700;border:1.5px solid transparent;text-decoration:none;line-height:1.2}
.btn-primary{background:var(--green);color:var(--on-accent)}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{background:var(--sheet);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink-2)}
.link{border:0;background:none;padding:4px 0;color:var(--green);font-weight:700;font-size:15px;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px}
button:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Панели ---------- */
.sheet{background:var(--sheet);border:var(--border-w) solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.stack{display:grid;gap:24px}

/* ---------- Маршрут-вектор (главный акцент) ---------- */
.route{position:relative;height:300px;margin:0 0 28px;border-left:2px solid var(--margin)}
.route svg.vector{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.vector .axis{stroke:var(--dash);stroke-width:1.5}
.vector .done{stroke:var(--green);stroke-width:5;stroke-linecap:round;fill:none}
.vector .todo{stroke:var(--green);stroke-width:3;stroke-dasharray:2 10;stroke-linecap:round;fill:none;opacity:.55}
.vector .head{fill:var(--green)}
.stop{position:absolute;transform:translate(-50%,-50%);border:0;background:none;padding:0;display:block}
.stop .dot{width:22px;height:22px;border-radius:50%;background:var(--sheet);border:3px solid var(--green);display:grid;place-items:center;font-size:11px;font-weight:800;color:var(--green)}
.stop .label{position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);width:max-content;max-width:130px;text-align:center;font-size:14px;font-weight:600;line-height:1.25;background:var(--paper);padding:2px 5px;border-radius:3px}
.stop.below .label{bottom:auto;top:calc(100% + 8px)}
.stop.is-done .dot{background:var(--green);color:var(--on-accent)}
.stop.is-todo .dot{border-style:dashed;border-color:var(--dash);color:var(--dash-ink)}
.stop.is-todo .label{color:var(--ink-2);font-weight:500}
.stop.is-current .dot{width:32px;height:32px;font-size:14px;box-shadow:0 0 0 7px var(--marker)}
.stop.is-current .label{background:var(--marker);font-weight:700;font-size:15px}
.stop.is-current .label{bottom:calc(100% + 14px)}
.stop.is-current.below .label{bottom:auto;top:calc(100% + 14px)}
.stop:hover .label{text-decoration:underline}

.next{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:24px;border-left:6px solid var(--green)}
.next p{margin:6px 0 0}
.next .actions{display:flex;align-items:center;gap:16px}

/* ---------- Цифры ---------- */
.facts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);background:var(--sheet)}
.fact{padding:18px 20px}
.fact+.fact{border-left:1px solid var(--line)}
.fact strong{display:block;font-size:32px;line-height:1.1;font-weight:800;letter-spacing:-.03em}
.fact strong small{font-size:16px;font-weight:600;color:var(--ink-2);letter-spacing:0}
.fact span{font-size:14px;color:var(--ink-2)}

/* ---------- Полоски прогресса ---------- */
.bar{height:8px;border-radius:4px;background:var(--tint);overflow:hidden}
.bar i{display:block;height:100%;background:var(--green);border-radius:4px;transition:width .4s}
.knowledge .row{display:grid;grid-template-columns:1fr auto;gap:6px 12px;margin:14px 0;font-size:15px}
.knowledge .row .bar{grid-column:1/-1}
.knowledge .row b{font-weight:700}

.week{display:flex;gap:6px;margin-top:12px}
.week span{flex:1;text-align:center;font-size:13px;color:var(--ink-2)}
.week span i{display:block;height:32px;margin-top:4px;border-radius:4px;background:var(--tint)}
.week span i.on{background:var(--green)}

.note{background:var(--amber-soft);border:0}
.note h3{margin-bottom:6px}
.note p{color:var(--note-ink);font-size:15px}

/* ---------- Карта знаний ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.chip{border:1.5px solid var(--line);background:var(--sheet);border-radius:999px;padding:8px 16px;font-size:15px;font-weight:600;color:var(--ink-2)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--on-accent)}
.section{margin-bottom:36px}
.section>h2{margin-bottom:14px;display:flex;align-items:baseline;gap:12px}
.section>h2 small{font-size:15px;font-weight:500;color:var(--ink-2)}
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.topic{display:flex;flex-direction:column;gap:10px;text-align:left;background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);padding:18px;min-height:150px;color:var(--ink)}
.topic:hover{border-color:var(--green)}
.topic .status{font-size:14px;color:var(--ink-2)}
.topic.is-done{border-color:var(--done-line);background:var(--done-bg)}
.topic.is-current{box-shadow:inset 0 0 0 2px var(--marker);border-color:var(--current-line)}
.topic .bar{margin-top:auto}

/* ---------- Занятие ---------- */
.task{padding:32px}
.task .story{font-size:18px}
.task .question{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.3;margin:20px 0}
.figure{display:flex;justify-content:center;margin:12px 0 4px}
.figure svg{width:200px;height:200px}
.slice{fill:var(--pie);stroke:var(--sheet);stroke-width:3}
.slice.eaten{fill:transparent;stroke:var(--dash);stroke-dasharray:4 5;stroke-width:2}
.figure-caption{text-align:center;font-size:14px;color:var(--ink-2);margin:0 auto}
.answer{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.answer label{display:grid;gap:6px;font-size:15px;font-weight:600}
.answer input{width:200px;padding:12px 14px;border:1.5px solid var(--dash);border-radius:var(--radius);font-size:22px;font-weight:700;background:var(--field)}
.answer input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.feedback{margin-top:20px;padding:14px 16px;border-radius:var(--radius);font-size:16px;background:var(--green-soft);border-left:4px solid var(--green)}
.feedback.bad{background:var(--amber-soft);border-left-color:var(--warn-line)}
.feedback:empty{display:none}
.tutor .bubble{background:var(--tint);border-radius:var(--radius) var(--radius) var(--radius) 0;padding:14px 16px;font-size:15px;margin:12px 0}
.steps{display:flex;gap:6px;margin-bottom:16px}
.steps i{flex:1;height:6px;border-radius:3px;background:var(--tint)}
.steps i.on{background:var(--green)}

/* Дробь «столбиком» */
.frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1.05;margin:0 .12em;font-weight:inherit}
.frac>span:first-child{border-bottom:.08em solid currentColor;padding:0 .15em}
.frac>span{display:block}

/* ---------- Учителю ---------- */
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:14px;color:var(--ink-2);font-weight:600}
.pill{display:inline-block;font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--tint);color:var(--ink-2);white-space:nowrap}
.pill.ok{background:var(--green-soft);color:var(--green-dark)}
.pill.warn{background:var(--amber-soft);color:var(--amber-ink)}

/* ---------- Формы ---------- */
.field{display:grid;gap:6px;font-size:15px;font-weight:600;margin:18px 0}
.field input,.field select{padding:12px 14px;border:1.5px solid var(--dash);border-radius:var(--radius);background:var(--field);font-weight:400}

/* ---------- Адаптивность ---------- */
@media (max-width:1080px){
  :root{--side:208px}
  #app{padding:32px 24px 40px}
  header,footer{padding-left:24px;padding-right:24px}
  .layout{grid-template-columns:1fr}
  .stack.side{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .sidebar{position:sticky;top:0;width:auto;flex-direction:row;align-items:center;gap:8px;padding:10px 16px;border-right:0;border-bottom:1px solid var(--line);overflow:hidden}
  .brand{font-size:20px}
  .brand svg{width:28px;height:28px}
  .brand-text,.profile{display:none}
  nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;flex:1}
  nav::-webkit-scrollbar{display:none}
  nav button{padding:8px 10px;font-size:14px;white-space:nowrap;width:auto}
  nav button svg{display:none}
  main{margin-left:0}
  header{display:none}
  #app{padding:24px 16px 32px}
  footer{flex-direction:column;padding:16px}
  .route{height:auto;border-left:0;padding-left:0}
  .route svg.vector{display:none}
  .stop{position:static;transform:none;display:flex;align-items:center;gap:14px;width:100%;padding:10px 0 10px 0;text-align:left;margin-left:14px;border-left:3px solid var(--green)}
  .stop.is-todo{border-left:3px dashed var(--dash)}
  .stop .dot{margin-left:-13px;flex-shrink:0}
  .stop.is-current .dot{margin-left:-18px}
  .stop .label,.stop.below .label,.stop.is-current .label,.stop.is-current.below .label{position:static;transform:none;max-width:none;text-align:left}
  .stack.side{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr 1fr}
  .fact{padding:14px 12px}
  .fact strong{font-size:24px}
  .task{padding:20px}
  .answer input{width:100%}
  .answer label{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- Методичка и этапы занятия ---------- */
.stages{display:flex;gap:6px;margin:-12px 0 20px;flex-wrap:wrap}
.stage{display:flex;align-items:center;gap:10px;border:1.5px solid var(--line);background:var(--sheet);border-radius:999px;padding:7px 16px 7px 7px;font-size:15px;font-weight:600;color:var(--ink-2)}
.stage b{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--tint);color:var(--ink-2);font-size:13px}
.stage.on{border-color:var(--green);color:var(--ink)}
.stage.on b{background:var(--green);color:var(--on-accent)}
.requires{margin:-8px 0 20px;color:var(--ink-2)}
.method h2{margin:28px 0 10px}
.method h2:first-child{margin-top:0}
.method>p{font-size:17px}
.rule{margin:20px 0 4px;padding:16px 18px;border-radius:var(--radius);background:var(--green-soft);border-left:4px solid var(--green)}
.rule h3{margin-bottom:6px}
.rule p{margin:0;font-size:17px}
.worked{border:var(--border-w) solid var(--line);border-radius:var(--radius);padding:14px 18px;margin:12px 0;background:var(--sheet)}
.worked-q{font-weight:700;margin:0 0 6px;font-size:17px}
.worked ol{margin:0;padding-left:22px}
.worked li{margin:4px 0}
.mistakes{padding-left:20px;margin:8px 0}
.mistakes li{margin:8px 0}
.choices{display:flex;gap:10px}
.choice{min-width:64px;justify-content:center;font-size:24px;padding:10px 18px}
.btn-sm{padding:7px 14px;font-size:14px;margin-left:8px}
.row-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.result.pass{border-left:6px solid var(--green)}
.result.fail{border-left:6px solid var(--warn-line)}
.review-due{border-left:6px solid var(--marker)}
.review-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.streak{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.streak .btn{margin-top:4px}
.story .frac,.question .frac{font-size:.95em}
.figure svg{max-width:100%;height:auto}
.fig-on{fill:var(--pie)}
.fig-on2{fill:var(--green);opacity:.75}
.fig-off{fill:var(--sheet);stroke:var(--dash);stroke-width:1.5}
.fig-half{fill:var(--tint);stroke:var(--dash);stroke-width:1}
.fig-x{fill:var(--tint);stroke:var(--dash);stroke-width:1.5;stroke-dasharray:4 4}
.fig-cross{stroke:var(--ink-2);stroke-width:2;stroke-linecap:round}
.fig-label{fill:var(--ink-2);font:600 14px var(--font-body)}
.figure-caption{margin-top:6px}
.requires .link{text-align:left}

/* ---------- Наставник: чат ---------- */
.learn-tabs{display:flex;gap:8px;margin:0 0 16px;flex-wrap:wrap}
.tutor-lesson{padding:0;overflow:hidden}
.chat{display:flex;flex-direction:column;gap:10px}
.tutor-lesson .chat{padding:20px 22px 16px;min-height:520px}
.chat-log{display:flex;flex-direction:column;gap:12px;overflow-y:auto;max-height:62vh;padding:2px 2px 6px;scroll-behavior:smooth}
.chat-task .chat-log{max-height:320px}
.chat-empty{margin:0}
.msg{max-width:92%;display:flex;flex-direction:column;gap:4px}
.msg.user{align-self:flex-end}
.msg-who{font-size:12px;font-weight:700;color:var(--green);letter-spacing:.02em}
.msg-body{padding:12px 14px;border-radius:14px;font-size:16px;line-height:1.55;background:var(--tint);color:var(--ink)}
.msg-body>*:first-child{margin-top:0}.msg-body>*:last-child{margin-bottom:0}
.msg-body p{margin:0 0 8px}.msg-body ol,.msg-body ul{margin:4px 0 8px;padding-left:20px}
.msg.assistant .msg-body{border-top-left-radius:4px;background:var(--sheet);border:var(--border-w) solid var(--line)}
.msg.user .msg-body{border-top-right-radius:4px;background:var(--green-soft)}
.msg.error .msg-body{border-color:var(--warn-line);background:var(--amber-soft)}
.msg-body .figure{margin:8px 0}
.chat-q{font-size:20px;font-weight:700}
.typing{color:var(--ink-2)}
.typing::after{content:'';display:inline-block;width:1.2em;text-align:left;animation:dots 1.2s steps(4) infinite;overflow:hidden;vertical-align:bottom}
@keyframes dots{0%{content:''}25%{content:'.'}50%{content:'..'}75%{content:'...'}}
.chat-quick{display:flex;gap:8px;flex-wrap:wrap}
.chat-quick:empty{display:none}
.chat-form{display:flex;gap:8px}
.chat-form input{flex:1;min-width:0;padding:11px 14px;border:1.5px solid var(--dash);border-radius:var(--radius);background:var(--field);font-size:16px}
.chat-form input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.chat-mode{margin:0}
.chat-mode a{font-weight:700}

/* ---------- Лаборатория дробей ---------- */
.lab{display:grid;gap:12px;margin-top:10px}
.lab-controls{display:grid;gap:8px}
.lab-stepper{display:grid;grid-template-columns:1fr auto auto auto;align-items:center;gap:6px;font-size:14px;color:var(--ink-2)}
.lab-stepper button{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--line);background:var(--sheet);font-size:18px;font-weight:700;line-height:1;color:var(--ink)}
.lab-stepper button:hover{border-color:var(--green)}
.lab-stepper output{min-width:2ch;text-align:center;font-weight:800;font-size:18px;color:var(--ink)}
.lab-view{display:grid;gap:8px;justify-items:center}
.lab-big{font-size:34px;font-weight:800;display:flex;align-items:center;gap:8px;font-family:var(--font-display)}
.lab-figs{display:grid;gap:8px;justify-items:center;width:100%}
.lab-figs svg{max-width:100%;height:auto}
.lab-say{font-size:14px;color:var(--ink-2);text-align:center;margin:0}
.msg-body .lab{background:var(--paper);border-radius:10px;padding:12px}

/* числовая прямая */
.fig-axis{stroke:var(--ink-2);stroke-width:2}
.fig-tick{stroke:var(--ink-2);stroke-width:1.5}
.fig-span{stroke:var(--green);stroke-width:6;stroke-linecap:round}
.fig-point{fill:var(--pie);stroke:var(--ink);stroke-width:2}

/* ---------- Темп и уровень ---------- */
.level{display:inline-flex;gap:3px;vertical-align:middle;margin:0 2px}
.level i{width:9px;height:9px;border-radius:50%;background:var(--tint);border:1.5px solid var(--dash)}
.level i.on{background:var(--green);border-color:var(--green)}
.task-meta{margin:0 0 6px}
.pace{border-left:6px solid var(--green)}
.pace-slow{border-left-color:var(--marker)}
.pace-fast{border-left-color:var(--green-dark)}
.pace h3{margin-bottom:4px}
.adapt-note{margin:10px 0 0;padding-top:8px;border-top:1px dashed var(--line);font-size:15px}
.fast-track{margin:10px 0 0;padding:10px 12px;border-radius:var(--radius);background:var(--sheet);border:var(--border-w) solid var(--line)}
.advice{padding:10px 14px;border-radius:var(--radius);background:var(--amber-soft)}

/* ---------- Настройки ИИ ---------- */
.radios{border:0;padding:0;display:grid;gap:8px;font-weight:600}
.radios legend{margin-bottom:6px}
.radios label{display:flex;gap:10px;align-items:center;font-weight:400;font-size:15px}
.radios input{width:18px;height:18px;accent-color:var(--green)}
.warn-box{background:var(--amber-soft);border:0}
.warn-box p{color:var(--note-ink)}
.settings h2{margin-bottom:6px}
code{font-size:.9em;background:var(--tint);padding:1px 5px;border-radius:4px}
@media (max-width:760px){
  .tutor-lesson .chat{padding:14px;min-height:0}
  .chat-log{max-height:none}
  .msg{max-width:100%}
  .chat-form .btn{padding:10px 14px}
}
@media (prefers-reduced-motion:reduce){.typing::after{animation:none;content:'…'}.chat-log{scroll-behavior:auto}}
/* дети сеток не распирают колонку на узком экране */
.layout>*,.stack>*{min-width:0}
.chat-form input{width:100%}

/* ---------- Геймификация ---------- */
.ico{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;vertical-align:-3px}
.hud{display:flex;gap:6px;text-decoration:none;color:var(--ink);margin-top:-12px}
.hud-item{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:999px;background:var(--tint);font-weight:800;font-size:15px}
.hud-item svg{fill:none;stroke-width:1.9;stroke-linejoin:round}
.hud-stars svg{stroke:#C99A06;fill:var(--marker)}
.hud-streak svg{stroke:#D9622B;fill:#FFD0B0}
.hud:hover .hud-item{background:var(--green-soft)}

.toasts{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);display:grid;gap:8px;z-index:20;pointer-events:none;width:max-content;max-width:calc(100vw - 32px)}
.toast{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;background:var(--ink);color:var(--paper);font-size:15px;box-shadow:0 10px 30px -10px rgba(0,0,0,.4);animation:toast-in .3s ease-out}
.toast .ico{stroke:var(--marker)}
.toast-stars .ico{fill:var(--marker)}
.toast.out{opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s}
@keyframes toast-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:19}

.today-head{display:flex;justify-content:space-between;align-items:baseline}
.today-grid{display:flex;gap:18px;align-items:center;margin:12px 0 4px}
.today-line{margin:0 0 4px}
.today .muted .ico{vertical-align:-3px}
.goal-ring{--p:0;width:84px;height:84px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:conic-gradient(var(--green) calc(var(--p)*1%),var(--tint) 0)}
.goal-ring::before{content:'';grid-area:1/1;width:66px;height:66px;border-radius:50%;background:var(--sheet)}
.goal-ring b{grid-area:1/1;z-index:1;font-size:24px;font-family:var(--font-display)}
.goal-ring small{font-size:13px;color:var(--ink-2)}
[data-skin="orbit"] .goal-ring::before{background:var(--paper)}

.rank-card .rank-top{display:flex;gap:14px;align-items:center;margin-bottom:12px}
.rank-card .rank-top p{margin:0}
.rank-card .ico{stroke:var(--green)}
.rank-card .bar{height:12px;border-radius:6px}
.rank-card .bar i{background:linear-gradient(90deg,var(--green),var(--marker))}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:12px}
.badge-card{display:flex;gap:12px;align-items:center;padding:12px 14px;border-radius:var(--radius);border:var(--border-w) dashed var(--dash);color:var(--ink-2);opacity:.75}
.badge-card b{display:block;color:var(--ink);font-size:15px}
.badge-card span{font-size:13px}
.badge-card.on{opacity:1;border-style:solid;border-color:var(--green);background:var(--green-soft);color:var(--ink)}
.badge-card.on .ico{stroke:var(--green-dark);fill:var(--marker)}
.star-rules,.ranks{padding-left:20px;margin:8px 0 0}
.star-rules li,.ranks li{margin:5px 0}
.ranks li.on{font-weight:800;color:var(--green-dark)}

/* ---------- Ввод дроби на телефоне ---------- */
.keypad{display:none;gap:8px}
.keypad button{min-width:52px;height:44px;border-radius:var(--radius);border:1.5px solid var(--line);background:var(--sheet);font-size:20px;font-weight:800;color:var(--ink)}
@media (pointer:coarse){.keypad{display:flex}}
.lesson-progress{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin:0 0 4px}
.lesson-progress .bar{flex:1;height:6px}

/* ---------- Нижнее меню на телефоне ---------- */
@media (max-width:760px){
  .sidebar{justify-content:space-between}
  .hud{margin:0}
  .hud-item{padding:4px 9px;font-size:14px}
  nav{position:fixed;left:0;right:0;bottom:0;z-index:15;display:grid!important;grid-template-columns:repeat(7,1fr);gap:0;overflow:visible;
    background:var(--sheet);border-top:1px solid var(--line);padding:4px 2px calc(4px + env(safe-area-inset-bottom,0px));flex:none}
  nav button{display:flex!important;flex-direction:column;align-items:center;gap:2px;padding:6px 0;border-radius:8px;font-size:10.5px;width:auto;white-space:nowrap}
  nav button svg{display:block!important;width:22px;height:22px}
  nav button span{display:none}
  nav button::after{content:attr(data-short)}
  nav button[aria-current="page"]{background:var(--green-soft)}
  main{padding-bottom:72px}
  .skin-switch{margin-bottom:84px}
  .toasts{bottom:calc(76px + env(safe-area-inset-bottom,0px))}
}
@media (max-width:900px){
  [data-skin="pop"] .stop .label{font-size:12px;padding:2px 5px;max-width:96px}
}
@media (prefers-reduced-motion:reduce){.toast{animation:none}}

/* =========================================================
   Удобство для детей: путь, шаги, крупные действия
   ========================================================= */
.btn-big{padding:15px 26px;font-size:18px;border-radius:calc(var(--radius) + 4px);min-height:52px}
.btn{min-height:44px}
.btn-sm{min-height:36px}
.home-head{margin-bottom:16px}

/* — Главная кнопка «Продолжить» — */
.hero-next{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px;
  padding:24px 28px;border-radius:calc(var(--radius) + 8px);background:var(--sheet);border:var(--border-w) solid var(--line);border-left:8px solid var(--green);box-shadow:var(--shadow)}
.hero-kicker{margin:0 0 4px;font-size:14px;font-weight:700;color:var(--green-dark)}
.hero-next h2{font-size:26px;margin-bottom:4px}
.hero-next p{margin:0}
.btn-go{font-size:20px;padding:16px 30px}
.btn-go .ico{stroke:currentColor}
.mini-steps{list-style:none;display:flex;gap:6px 16px;flex-wrap:wrap;padding:0;margin:12px 0 0;font-size:14px;color:var(--ink-2)}
.mini-steps li{display:flex;align-items:center;gap:6px}
.mini-steps li span{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--dash);font-size:12px;font-weight:800}
.mini-steps li.is-done span{background:var(--green);border-color:var(--green);color:var(--on-accent)}
.mini-steps li.is-now{color:var(--ink);font-weight:700}
.mini-steps li.is-now span{border-color:var(--green);box-shadow:inset 0 0 0 4px var(--sheet);background:var(--green)}

/* — Путь — */
.path-wrap{background:var(--sheet);border:var(--border-w) solid var(--line);border-radius:var(--radius);padding:22px 16px 28px;box-shadow:var(--shadow)}
.path-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;padding:0 8px;margin-bottom:8px}
.path-head h2{font-size:19px}
.path{list-style:none;margin:0;padding:12px 0 0;position:relative;display:flex;flex-direction:column;align-items:center;gap:6px}
.path-line{position:absolute;inset:0;pointer-events:none;overflow:visible}
.path-line .todo{fill:none;stroke:var(--dash);stroke-width:5;stroke-dasharray:2 12;stroke-linecap:round}
.path-line .done{fill:none;stroke:var(--green);stroke-width:7;stroke-linecap:round}
.node{position:relative;display:flex;flex-direction:column;align-items:center;transform:translateX(calc(var(--x) * 64px));z-index:1;padding:4px 0}
.node-btn{--p:0;width:78px;height:78px;border-radius:50%;border:0;padding:6px;cursor:pointer;
  background:conic-gradient(var(--green) calc(var(--p) * 1%), var(--tint) 0);transition:transform .15s}
.node-btn:hover{transform:scale(1.06)}
.node-face{width:100%;height:100%;border-radius:50%;display:grid;place-items:center;font-size:24px;font-weight:800;
  background:var(--sheet);color:var(--ink-2);border:3px solid var(--dash);font-family:var(--font-display)}
.node.is-started .node-face{border-color:var(--green);color:var(--green-dark)}
.node.is-done .node-face{background:var(--green);border-color:var(--green);color:var(--on-accent);font-size:30px}
.node.is-due .node-face{background:var(--amber-soft);border-color:var(--warn-line);color:var(--amber-ink)}
.node.is-current .node-btn{box-shadow:0 0 0 7px var(--marker)}
.node.is-current .node-face{border-color:var(--green);color:var(--green-dark)}
.node-label{display:flex;flex-direction:column;align-items:center;text-align:center;margin-top:6px;max-width:170px;line-height:1.25;background:var(--sheet);padding:2px 6px;border-radius:6px}
.node-label b{font-size:15px}
.node-label span{font-size:13px;color:var(--ink-2)}
.node.is-current .node-label span{color:var(--green-dark);font-weight:700}
.node-bubble{position:relative;margin-bottom:10px;padding:8px 16px;border-radius:12px;border:0;background:var(--green);color:var(--on-accent);font-weight:800;font-size:16px;cursor:pointer;
  box-shadow:0 6px 16px -8px rgba(0,0,0,.35);animation:bob 1.8s ease-in-out infinite}
.node-bubble::after{content:'';position:absolute;left:50%;bottom:-7px;margin-left:-8px;border:8px solid transparent;border-bottom:0;border-top-color:var(--green)}
@keyframes bob{50%{transform:translateY(-4px)}}
.node-finish .finish-flag{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:var(--tint);border:3px dashed var(--dash);color:var(--ink-2)}
.node-finish .ico{stroke:currentColor}
.home-layout{align-items:start}
.small-note h3{font-size:16px}

/* — Шаги урока — */
.lesson-top{margin:-8px 0 8px}
.back{font-weight:700}
.stepper{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0;margin:4px 0 14px}
.step{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 14px;border-radius:calc(var(--radius) + 6px);
  border:2px solid var(--line);background:var(--sheet);color:var(--ink);min-height:64px}
.step:hover{border-color:var(--green)}
.step-n{width:34px;height:34px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;font-weight:800;background:var(--tint);color:var(--ink-2)}
.step-t{display:flex;flex-direction:column;line-height:1.2}
.step-t b{font-size:16px}
.step-t small{font-size:13px;color:var(--ink-2)}
.step.is-done .step-n{background:var(--green);color:var(--on-accent)}
.step.is-now{border-color:var(--green)}
.step.on{border-color:var(--green);background:var(--green-soft);box-shadow:inset 0 0 0 1px var(--green)}
.step.on .step-n{background:var(--green);color:var(--on-accent)}
.do-now{display:flex;gap:10px;align-items:flex-start;margin:0 0 18px;padding:12px 16px;border-radius:var(--radius);background:var(--amber-soft);color:var(--note-ink);font-size:16px;max-width:none}
.do-now .ico{stroke:var(--amber-ink);margin-top:2px}
.segmented{display:inline-flex;gap:4px;padding:4px;border-radius:999px;background:var(--tint);margin:0 0 16px}
.segmented button{display:inline-flex;align-items:center;gap:8px;border:0;background:none;padding:9px 18px;border-radius:999px;font-weight:700;font-size:15px;color:var(--ink-2);min-height:40px}
.segmented button[aria-pressed="true"]{background:var(--sheet);color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.lab-box summary{cursor:pointer;list-style:none;display:flex;flex-direction:column;gap:2px}
.lab-box summary::-webkit-details-marker{display:none}
.lab-box summary h3::after{content:' ▾';color:var(--ink-2)}
.lab-box:not([open]) summary h3::after{content:' ▸'}

/* — Ввод ответа клеточками — */
.answer-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.frac-input{display:flex;align-items:center;gap:10px}
.frac-input .fi-whole{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;color:var(--ink-2)}
.fi-frac{display:grid;justify-items:center;gap:6px}
.fi-frac i{display:block;width:84px;height:4px;border-radius:2px;background:var(--ink)}
.frac-input input,.num-input input{width:84px;height:56px;text-align:center;font-size:28px;font-weight:800;border:2px solid var(--dash);border-radius:10px;background:var(--field);color:var(--ink);font-family:var(--font-body);padding:0}
.fi-whole input{width:64px;height:64px}
.num-input input{width:140px;height:64px}
.frac-input input:focus,.num-input input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
.frac-input input::placeholder,.num-input input::placeholder{color:var(--dash);font-weight:700}
.fi-help{margin:10px 0 0}
.choices{gap:14px}
.choice{min-width:76px;min-height:64px;font-size:30px}
.hint-zone{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);display:grid;gap:10px;justify-items:start}
.hint-zone .bubble{margin:0;background:var(--amber-soft);color:var(--note-ink);border-radius:var(--radius);padding:12px 14px;font-size:16px}
.task-progress{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;font-size:14px;color:var(--ink-2);margin-bottom:14px}
.task-progress .bar{height:10px}
.streak.ready{border-left:6px solid var(--green)}

/* — Обратная связь — */
.feedback.big{padding:16px 18px;border-radius:calc(var(--radius) + 4px);font-size:17px}
.feedback.big p{margin:0 0 8px}
.fb-title{display:flex;align-items:center;gap:8px;font-size:21px;font-weight:800;font-family:var(--font-display)}
.feedback.big:not(.bad) .fb-title .ico{stroke:#C99A06;fill:var(--marker)}
.feedback.bad .fb-title .ico{stroke:var(--amber-ink)}
.fb-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.topic-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.topic .mini-steps{margin:0}

/* — Меню для взрослых и профиль — */
.adult-links{display:grid;gap:2px;margin-top:4px;padding-top:14px;border-top:1px solid var(--line)}
.adult-links span{font-size:12px;color:var(--ink-2);padding:0 12px 4px}
.adult-links button{border:0;background:none;text-align:left;padding:7px 12px;border-radius:var(--radius);color:var(--ink-2);font-size:14px}
.adult-links button:hover,.adult-links button[aria-current="page"]{background:var(--tint);color:var(--ink)}
.switch{display:flex;align-items:center;gap:10px;margin:4px 0 18px;font-weight:600}
.switch input{width:20px;height:20px;accent-color:var(--green)}

/* — Знакомство с интерфейсом — */
.tour-hole{position:fixed;z-index:40;border-radius:16px;box-shadow:0 0 0 9999px rgba(15,20,40,.62);pointer-events:none;transition:all .25s}
.tour-tip{position:fixed;z-index:41;background:var(--sheet);color:var(--ink);border-radius:16px;padding:18px 20px;box-shadow:0 20px 50px -20px rgba(0,0,0,.6)}
.tour-tip h3{margin:0 0 6px;font-size:19px}
.tour-tip p{margin:0 0 6px;font-size:16px}
.tour-count{font-size:13px!important;color:var(--ink-2)}

/* — Телефон — */
@media (max-width:760px){
  nav{grid-template-columns:repeat(4,1fr)!important}
  nav button{font-size:12px!important;padding:7px 0!important}
  .adult-links{display:none}
  .hero-next{padding:18px;gap:14px}
  .hero-next h2{font-size:22px}
  .btn-go{width:100%;justify-content:center}
  .node{transform:translateX(calc(var(--x) * 38px))}
  .node-btn{width:70px;height:70px}
  .stepper{gap:6px}
  .step{flex-direction:column;align-items:flex-start;gap:6px;padding:10px;min-height:0}
  .step-t b{font-size:14px}
  .step-t small{font-size:12px}
  .answer-row{gap:14px}
  .answer-row .btn-big{width:100%;justify-content:center}
  .frac-input input{width:76px;height:52px}
  .task-progress{grid-template-columns:auto 1fr}
  .task-progress .task-meta{grid-column:1/-1}
  .segmented{display:flex}
  .segmented button{flex:1;justify-content:center;padding:9px 8px}
}
@media (prefers-reduced-motion:reduce){.node-bubble{animation:none}.node-btn{transition:none}}

/* подписи пути — сбоку от кружков, чтобы линия не перечёркивала текст */
@media (min-width:761px){
  .path .node{display:grid;grid-template-columns:1fr 78px 1fr;column-gap:16px;align-items:center;width:100%;max-width:560px}
  .path .node-bubble{grid-column:1/-1;grid-row:1;justify-self:center}
  .path .node-btn,.path .finish-flag{grid-column:2;grid-row:2}
  .path .finish-flag{justify-self:center}
  .path .node-label{grid-column:3;grid-row:2;justify-self:start;align-items:flex-start;text-align:left;margin:0}
  .path .node.left .node-label{grid-column:1;justify-self:end;align-items:flex-end;text-align:right}
  .path{gap:14px}
}
/* уведомления — сверху справа, не закрывают кнопки */
.toasts{left:auto;right:24px;top:24px;bottom:auto;transform:none;justify-items:end}
@media (max-width:760px){.toasts{left:16px;right:16px;top:64px;bottom:auto!important;justify-items:center;width:auto}}

/* дробь с подписями и подписи у клеточек ответа */
.frac-labeled{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;margin:12px 0;padding:12px 16px;border-radius:var(--radius);background:var(--tint);max-width:520px}
.fl-frac{grid-row:1/3;font-size:44px;font-weight:800;font-family:var(--font-display);line-height:1}
.fl-top,.fl-bot{font-size:15px;line-height:1.3;color:var(--ink-2);padding:4px 0}
.fl-top{border-bottom:2px solid var(--line)}
.fl-top b,.fl-bot b{color:var(--ink);font-size:18px}
.rule .frac-labeled{background:var(--sheet)}
.lab-view .frac-labeled{margin:0;max-width:100%}
.fi-frac{grid-template-columns:auto auto;column-gap:10px;align-items:center;justify-items:start}
.fi-frac i{grid-column:1}
.fi-lab{font-size:13px;color:var(--ink-2)}
.chat-answer{display:block;padding:12px;border-radius:var(--radius);background:var(--amber-soft)}
.chat-answer .fi-help{margin-top:8px}
@media (max-width:760px){.fl-frac{font-size:36px}.fl-top,.fl-bot{font-size:14px}}

/* правила — по пунктам, пример — отдельной строкой */
.rule-body>*:first-child{margin-top:0}.rule-body>*:last-child{margin-bottom:0}
.rule-list{margin:6px 0;padding-left:22px;font-size:17px}
.rule-list li{margin:8px 0;line-height:1.5}
.rule-ex{margin:8px 0 0;font-size:16px;color:var(--ink-2)}
.msg-body .rule-list{font-size:16px}

/* Норма тренировки выполнена — заметный переход к проверке */
.ready-strip{position:static;box-shadow:0 10px 30px -12px rgba(0,0,0,.35);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:18px 0 0;padding:12px 14px;border-radius:12px;background:var(--green-soft);border:2px solid var(--green);font-weight:700}
.ready-strip span{display:flex;align-items:center;gap:8px}
.ready-strip svg{fill:var(--gold,#E8B931)}

.milestone{margin:12px 0 0;padding:14px 16px;border-radius:12px;background:var(--sheet);border:2px solid var(--green)}
.milestone .ms-title{display:flex;align-items:center;gap:8px;margin:0 0 6px;font-size:19px;font-weight:800}
.milestone .ms-title svg{fill:var(--gold,#E8B931)}
.milestone p:last-child{margin:0}

/* Вход по логину с бумажки (Ф-03) и статус сохранения */
.login{max-width:420px;margin:40px auto;padding:28px}
.login h1{margin:0 0 6px;font-size:28px}
.login form{display:grid;gap:14px;margin-top:18px}
.login label{display:grid;gap:6px;font-weight:700}
.login input[name]{font:inherit;font-size:22px;padding:12px 14px;border-radius:12px;border:2px solid var(--line,#ccc);background:var(--sheet,#fff);color:inherit}
.login input[name]:focus{outline:3px solid var(--green,#1E7358);outline-offset:1px}
.login .show-pass{display:flex;align-items:center;gap:8px;font-weight:500}
.login .feedback:empty{display:none}
body.logged-out .sidebar,body.logged-out .skin-switch,body.logged-out footer,body.logged-out header .crumbs,body.logged-out header .badge{visibility:hidden}
.sync-status{font-size:14px;color:var(--muted,#666);margin-left:auto;margin-right:10px}
.sync-status[data-state=offline]{color:#B3261E;font-weight:700}
@media (max-width:760px){.sync-status{display:none}}
.login .role-switch{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line,#e5e5e5);color:var(--muted,#666)}
.mood{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:14px 0 4px;color:var(--muted,#666)}
.mood span{margin-right:6px;font-weight:600}
.mood button{font-size:28px;line-height:1;background:none;border:2px solid transparent;border-radius:12px;padding:4px 6px;cursor:pointer}
.mood button:hover,.mood button:focus-visible{border-color:var(--green,#1E7358)}

/* Тест до и после (Ф-27–Ф-29) */
body.test-mode .sidebar,body.test-mode .skin-switch,body.test-mode footer{display:none}
body.test-mode main{margin-left:0}
.test{max-width:760px;margin:24px auto;padding:24px}
.test-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;position:sticky;top:0;z-index:6;background:var(--sheet,#fff);margin:-24px -24px 12px;padding:14px 24px;border-bottom:1px solid var(--line,#e5e5e5);border-radius:inherit}
.test-head .test-count{margin-left:auto;color:var(--muted,#666)}
.test-timer.low{color:#B3261E}
.test-box{margin-top:4px}.test-box .fi-whole input{width:64px;height:56px}.test-box .fi-frac input{width:72px;height:48px;font-size:24px}.test-box .fi-frac i{width:72px}
.test-box .fi-frac{grid-template-columns:auto;justify-items:center;row-gap:6px}.test-box .fi-frac i{grid-column:auto}
.test-box .fi-whole{align-self:center}
body.test-mode main>header{position:static}
.test-list li p .frac{font-size:1.05em;margin:0 .2em}
.test-left{font-weight:700;min-height:1em}
.test-head h1{margin:0}
.test-timer{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}
.test-list{padding-left:24px;display:grid;gap:18px}
.test-list li p{margin:0 0 8px;font-size:18px}
.test-in{font:inherit;font-size:22px;width:180px;padding:8px 12px;border:2px solid var(--line,#ccc);border-radius:10px}
.test-signs{display:flex;gap:8px}.test-signs .btn{font-size:22px;min-width:56px}
.test-signs .btn[aria-pressed=true]{background:var(--green,#1E7358);color:#fff;border-color:var(--green,#1E7358)}
.test-saved{display:inline-block;margin-left:10px;color:var(--muted,#666);font-size:13px}
.test-count{font-weight:700}
.test-banner{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:center;gap:14px;padding:12px;background:#FFF4D6;border-bottom:2px solid #E8B931;font-size:17px}

/* П-01, П-02, П-07: телефон — вход целиком в экране, «Выйти» всегда под рукой, без плавающих панелей */
.login label,.login input[name]{min-width:0;width:100%}
.skin-switch{display:none!important}
.m-logout{display:none!important}
.skin-pick{display:flex;flex-wrap:wrap;gap:8px}
.skin-pick .btn[aria-pressed=true]{border-color:var(--green);background:var(--green-soft);color:var(--green)}
.skin-dot{display:inline-block;width:14px;height:14px;border-radius:50%;margin-right:6px;vertical-align:-2px;border:1px solid rgba(0,0,0,.15)}
.skin-dot-notebook{background:#FAFAF6}.skin-dot-orbit{background:#1B1F3B}.skin-dot-pop{background:#FFD23F}.skin-dot-pixel{background:#3B7D3A}
@media (max-width:760px){
  .login{margin:16px auto;padding:20px 18px}
  .login h1{font-size:24px}
  .login input[name]{font-size:20px}
  body.logged-out .sidebar{display:none}
  body.test-mode main>header{display:flex;align-items:center;gap:8px;padding:8px 16px;border-bottom:1px solid var(--line)}
  body.test-mode main>header .crumbs{display:none}
  #logout-btn{margin-left:auto}
  .m-logout{display:inline-flex!important;margin-left:auto;white-space:nowrap}
  .sidebar .hud{margin-left:0}
  .test-head .tc-word{display:none}
  .test{margin:0;padding:18px 16px;border-radius:0}
  .test-head{margin:-18px -16px 12px;padding:10px 16px}
  .test-head h1{font-size:20px}
  .test-list{padding-left:20px}
}