/* Портал олимпиадной подготовки. Один файл: шрифты → токены → база → компоненты → анимации (в конце). */

/* ---------- Шрифты (локально, latin + cyrillic) ---------- */
@font-face{font-family:'DotGothic16';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/dotgothic16-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'DotGothic16';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/dotgothic16-latin.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:'JetBrains Mono';font-style:normal;font-weight:400 700;font-display:swap;src:url('../fonts/jetbrains-mono-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 700;font-display:swap;src:url('../fonts/jetbrains-mono-latin.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:'Manrope';font-style:normal;font-weight:400 800;font-display:swap;src:url('../fonts/manrope-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Manrope';font-style:normal;font-weight:400 800;font-display:swap;src:url('../fonts/manrope-latin.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}

/* ---------- Токены ---------- */
:root{
  --ground:#0B0C0F; --panel:#15171C; --panel-2:#1D2026;
  --paper:#FFFFFF;  --paper-2:#F4F6F9;
  --ink:#14161A;    --muted:#5D646E;  --muted-dark:#9BA2AC;
  --line:#E4E7EC;   --line-dark:rgba(255,255,255,.12);
  --accent:#F5A524;
  --ok:#15803D;   --ok-bg:#E7F6EC;   --ok-line:#BFE3CC;
  --bad:#B42318;  --bad-bg:#FDECEA;  --bad-line:#F3C9C4;
  --hard:#5B21B6; --hard-bg:#F3EFFD; --hard-line:#DCD2F7;
  --r-pill:999px; --r-card:18px; --r-field:12px; --r-chip:8px;
  --shadow-soft:0 4px 14px rgba(16,24,40,.04);
  --shadow-dark:0 4px 14px rgba(0,0,0,.16);

  --tab-inactive:#C4C2C3;
  --pending:#B7791F; --pending-bg:#FEF3DC; --pending-line:#F6D9A1;
  --idle:#D0D5DD;
  --focus-ring:0 0 0 4px rgba(245,165,36,.45);

  --f-display:'DotGothic16',ui-monospace,monospace;
  --f-ui:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- База ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font-family:var(--f-ui);font-size:17px;line-height:1.6;color:var(--ink);background:var(--paper-2);min-height:100vh}
h1,h2,h3,p,ul,ol,figure{margin:0}
h1{font-size:27px;line-height:1.2;font-weight:800;letter-spacing:-.02em}
h2{font-size:17px;line-height:1.3;font-weight:800}
h3{font-size:15px;line-height:1.4;font-weight:700}
p+p{margin-top:12px}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
code,kbd,pre,samp{font-family:var(--f-mono);font-size:14px;line-height:1.75}
pre{margin:0;white-space:pre-wrap;word-break:break-word}
img{max-width:100%;height:auto}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;box-shadow:var(--focus-ring);border-radius:4px}
.dark :focus-visible{outline-color:#fff}
[hidden]{display:none!important}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:#fff;color:var(--ink);padding:12px 16px;border-radius:var(--r-field);font-weight:700}
.skip-link:focus{top:12px}

.t-secondary{font-size:15px;line-height:1.55}
.t-caption{font-size:13px;line-height:1.45;color:var(--muted)}
.t-micro{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.t-muted{color:var(--muted)}
.t-mono{font-family:var(--f-mono)}
.t-display{font-family:var(--f-display);font-weight:400}
.num{font-variant-numeric:tabular-nums}

/* ---------- Раскладка ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.app-main{padding:32px 0 48px}
.stack>*+*{margin-top:16px}
.stack-lg>*+*{margin-top:24px}
.stack-sm>*+*{margin-top:8px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.row-between{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.page-head{display:flex;gap:16px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;margin-bottom:24px}
.page-head .t-caption{margin-top:4px}

/* ---------- Тёмная витрина ---------- */
.dark{background:var(--ground);color:#fff}
.stage{position:relative;min-height:100vh;background-color:var(--ground);
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:14px 14px;
  display:flex;flex-direction:column;overflow:hidden}
.stage::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 45% at 70% 20%,rgba(245,165,36,.14),transparent 70%),
             linear-gradient(to bottom,transparent 55%,rgba(0,0,0,.65))}
.stage>*{position:relative}
.stage-top{display:flex;align-items:center;justify-content:space-between;padding:20px 32px}
.stage-body{flex:1;display:flex;flex-direction:column;justify-content:center;padding:32px;max-width:1100px;width:100%;margin:0 auto}
.stage-foot{padding:20px 32px;color:var(--muted-dark);font-size:13px;display:flex;gap:32px;flex-wrap:wrap}
.hero{font-family:var(--f-display);font-size:70px;line-height:1.1;font-weight:400;letter-spacing:0}
.hero span{display:block}
.wait-title{font-family:var(--f-display);font-size:52px;line-height:1.15;font-weight:400}
.stage-lead{color:var(--muted-dark);font-size:17px;max-width:46ch;margin-top:16px}
.logo{font-family:var(--f-display);font-size:22px;color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{color:var(--accent)}

.dark-panel{background:var(--panel);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-dark);max-width:560px}
.dark-panel label,.dark-panel .field-label{color:#fff}
.dark-panel .t-caption{color:var(--muted-dark)}
.dark .field input,.dark .field select{background:var(--panel-2);border-color:var(--line-dark);color:#fff}
.dark .field input::placeholder{color:var(--muted-dark)}
.dark .field input:focus,.dark .field select:focus{border-color:#fff}

.choice-list{list-style:none;padding:0;display:grid;gap:8px}
.choice-list a,.choice-list button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:52px;padding:12px 18px;
  background:var(--panel-2);border:1px solid var(--line-dark);border-radius:var(--r-field);color:#fff;font:600 17px/1.3 var(--f-ui);text-decoration:none;text-align:left;cursor:pointer}
.choice-list a:hover,.choice-list button:hover{border-color:rgba(255,255,255,.4)}

.wait-indicator{display:inline-flex;gap:8px;margin-top:32px}
.wait-indicator i{width:10px;height:10px;border-radius:2px;background:var(--accent);opacity:.35}

.t-on-dark{color:var(--muted-dark)}
.t-on-dark-muted{color:var(--muted-dark);font-size:15px}
.dark-panel .field-hint{color:var(--muted-dark)}
.dark-panel .field-error{color:#FFB4AB}
.choice-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));max-width:900px}
.stage-inline{min-height:calc(100vh - 64px - 80px);border-radius:var(--r-card);color:#fff}
.stage-inline .stage-body{justify-content:center}

/* ---------- Шапка приложения ---------- */
.app-header{background:var(--panel);color:#fff;height:64px;position:sticky;top:0;z-index:20}
.app-header .container{height:100%;display:flex;align-items:center;gap:20px}
.app-header .logo{font-size:20px}
.app-header nav{flex:1;display:flex;justify-content:center}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.header-user{color:var(--muted-dark);font-size:15px;font-weight:600;white-space:nowrap}
.tabs{display:inline-flex;gap:4px;padding:4px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid var(--line-dark)}
.tabs a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;white-space:nowrap;border-radius:var(--r-pill);color:var(--tab-inactive);text-decoration:none;font-weight:700;font-size:15px}
.tabs a:hover{color:#fff}
.tabs a[aria-current="page"]{background:#fff;color:var(--ink)}
.header-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:var(--r-pill);background:transparent;border:1px solid var(--line-dark);color:#fff;font:700 14px/1 var(--f-ui);text-decoration:none;cursor:pointer}
.header-btn:hover{border-color:rgba(255,255,255,.4)}

.points-pill{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;border-radius:var(--r-pill);background:var(--accent);color:var(--ink);font-family:var(--f-display);font-size:20px;line-height:1;text-decoration:none}
.points-pill .glyph{font-size:22px}
.timer-pill{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;border-radius:var(--r-pill);background:var(--panel-2);color:#fff;border:1px solid var(--line-dark);font-family:var(--f-mono);font-weight:500;font-size:15px;font-variant-numeric:tabular-nums}
.timer-pill.is-warning{background:var(--bad-bg);color:var(--bad);border-color:var(--bad-line)}
.timer-pill.is-warning .timer-note{display:inline}
.timer-note{display:none;font-family:var(--f-ui);font-weight:700;font-size:13px}

/* ---------- Карточки ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-soft);padding:24px}
.card-tight{padding:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.card>h2:first-child{margin-bottom:12px}
.empty{padding:32px;text-align:center;color:var(--muted)}

/* ---------- Кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid var(--ink);background:var(--ink);color:#fff;font:700 16px/1 var(--f-ui);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:#2A2D33}
.btn-secondary{background:var(--paper);color:var(--ink);min-height:46px;padding:0 20px;font-size:15px}
.btn-secondary:hover{background:var(--paper-2)}
.btn-sm{min-height:44px;padding:0 16px;font-size:14px}
.btn-start{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.btn-start:hover{background:#E8981A}
.btn-cta{background:#fff;color:var(--ink);border-color:#fff;box-shadow:0 0 0 1px rgba(255,255,255,.15),0 0 22px rgba(255,255,255,.32),0 0 44px rgba(255,255,255,.12)}
.btn-cta:hover{background:#fff}
.btn-ghost-dark{background:transparent;color:#fff;border-color:var(--line-dark)}
.btn-link{background:none;border:0;padding:0 4px;min-height:44px;color:var(--ink);font:600 15px/1 var(--f-ui);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed}
.btn-block{width:100%}
form.inline{display:inline}

/* ---------- Поля ---------- */
.field{display:flex;flex-direction:column;gap:6px}
.field>label,.field-label{font-size:15px;font-weight:700}
.field input[type=text],.field input[type=password],.field input[type=number],.field input[type=search],.field input[type=file],.field select,.field textarea{
  width:100%;min-height:52px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--r-field);background:var(--paper);color:var(--ink);font:500 17px/1.4 var(--f-ui)}
.field textarea{min-height:120px;resize:vertical;line-height:1.6}
.field input.mono,.field textarea.mono{font-family:var(--f-mono);font-size:15px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border:2px solid var(--ink);padding:11px 15px;box-shadow:var(--focus-ring)}
.field.has-error input,.field.has-error textarea,.field.has-error select{border:2px solid var(--bad);background:var(--bad-bg);padding:11px 15px}
.field-hint{font-size:13px;color:var(--muted)}
.field-error{font-size:13px;color:var(--bad);font-weight:700;display:flex;gap:6px;align-items:center}
.check{display:inline-flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;font-weight:600;font-size:15px}
.check input{width:22px;height:22px;accent-color:var(--ink);margin:0}
.form-grid{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;align-items:end}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:8px}

/* ---------- Уведомления ---------- */
.notice{display:flex;gap:12px;align-items:flex-start;padding:14px 18px;border-radius:var(--r-field);border:1px solid var(--line);background:var(--paper);font-size:15px}
.notice svg{flex:none;margin-top:2px}
.notice-error{border-color:var(--bad-line);background:var(--bad-bg);color:var(--bad)}
.notice-ok{border-color:var(--ok-line);background:var(--ok-bg);color:var(--ok)}
.notice-info{border-color:var(--line)}
.dark .notice{background:var(--panel-2);border-color:var(--line-dark);color:#fff}
.dark .notice-error{background:var(--bad-bg);color:var(--bad);border-color:var(--bad-line)}

/* ---------- Таблицы ---------- */
.table-wrap{overflow-x:auto}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:middle}
.table th{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);white-space:nowrap}
.table tbody tr:last-child td{border-bottom:0}
.table td.num,.table th.num{text-align:right;font-variant-numeric:tabular-nums}
.table .actions{text-align:right;white-space:nowrap}
.sort-link{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:4px;min-height:44px}
.sort-link[aria-sort]{color:var(--ink)}

/* ---------- Чипы, бейджи ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-chip);border:1px solid var(--line);background:var(--paper);font-size:13px;font-weight:700;line-height:1.3;white-space:nowrap}
.diff-easy{border-color:var(--line);background:var(--paper-2);color:var(--ink)}
.diff-medium{border-color:#C9D2DD;background:#EAF0F6;color:#1F3A5A}
.diff-hard{border-color:var(--hard-line);background:var(--hard-bg);color:var(--hard)}
.badge-manual{border-color:var(--pending-line);background:var(--pending-bg);color:#7A4B00}
.badge-mono{font-family:var(--f-mono);font-weight:500}
.chip-filter{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);font-weight:600;font-size:14px;cursor:pointer}
.chip-filter:has(input:checked){border-color:var(--ink);background:var(--ink);color:#fff}
.chip-filter input{width:18px;height:18px;margin:0;accent-color:var(--ink)}

.status{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px}
.status-ok{color:var(--ok)} .status-bad{color:var(--bad)} .status-pending{color:#7A4B00} .status-open{color:var(--muted)}

/* Лента заданий */
.task-strip{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0}
.task-chip{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:52px;min-height:52px;padding:0 14px;border-radius:var(--r-field);
  border:1px solid var(--line);background:var(--paper);color:var(--ink);font:800 17px/1 var(--f-ui);text-decoration:none}
.task-chip.is-solved{background:var(--ok-bg);border-color:var(--ok-line);color:var(--ok)}
.task-chip.is-failed{background:var(--bad-bg);border-color:var(--bad-line);color:var(--bad)}
.task-chip.is-pending{background:var(--pending-bg);border-color:var(--pending-line);color:#7A4B00}
.task-chip.is-current{background:var(--ink);border-color:var(--ink);color:#fff}

/* Клетки прогресса */
.cell{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:var(--idle);color:var(--ink)}
.cell svg{width:14px;height:14px}
.cell-solved{background:var(--ok);color:#fff}
.cell-pending{background:var(--accent);color:var(--ink)}
.cell-failed{background:var(--bad);color:#fff}
.cell-open{background:var(--paper);border:2px solid var(--muted)}
.cell-idle{background:var(--idle)}
.legend{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:16px}
.legend span{display:inline-flex;align-items:center;gap:8px}
.progress-table td,.progress-table th{padding:8px 10px}

/* ---------- Вердикт и разбор ---------- */
.verdict{display:flex;gap:16px;align-items:flex-start;padding:18px 22px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--paper)}
.verdict svg{flex:none;width:28px;height:28px}
.verdict-word{font-size:20px;font-weight:800;line-height:1.2}
.verdict-text{font-size:15px;margin-top:4px}
.verdict-ok{background:var(--ok-bg);border-color:var(--ok-line);color:var(--ok)}
.verdict-bad{background:var(--bad-bg);border-color:var(--bad-line);color:var(--bad)}
.verdict-pending{background:var(--pending-bg);border-color:var(--pending-line);color:#7A4B00}
.verdict .verdict-text{color:var(--ink)}
.explain h2{margin-bottom:8px}

/* Markdown-содержимое (условие, разбор) */
.md{font-size:17px;line-height:1.6}
.md>*+*{margin-top:12px}
.md h1,.md h2,.md h3{margin-top:20px}
.md ul,.md ol{padding-left:24px}
.md code{background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:15px}
.md pre{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-field);padding:14px 16px}
.md pre code{background:none;border:0;padding:0;font-size:14px}
.md table th,.md table td{border:1px solid var(--line);padding:6px 10px}
.md img{border-radius:var(--r-field);border:1px solid var(--line)}

/* ---------- Код и вывод ---------- */
.io{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-field);padding:12px 14px;font-family:var(--f-mono);font-size:14px;line-height:1.75;white-space:pre-wrap;word-break:break-word;max-height:320px;overflow:auto}
.io-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:4px}
.truncated{color:var(--bad);font-weight:700;font-family:var(--f-ui);font-size:13px}

/* ---------- Статистика ---------- */
.stat{display:flex;flex-direction:column;gap:4px}
.stat-value{font-family:var(--f-display);font-size:36px;line-height:1.1}
.stat-label{font-size:13px;color:var(--muted);font-weight:600}
.chart{width:100%;height:auto;display:block}
.chart .bar{fill:var(--ink)} .chart .axis{stroke:var(--line)} .chart text{fill:var(--muted);font:600 11px var(--f-ui)}
.chart .line-cpm{stroke:var(--ink);fill:none;stroke-width:2}
.chart .line-acc{stroke:var(--muted);fill:none;stroke-width:2;stroke-dasharray:5 4}
.chart .dot{fill:var(--ink)}

/* ---------- Кабинет ---------- */
.auth-wrap{max-width:520px;margin:24px auto 0}
.narrow{max-width:720px}
.link-list{list-style:none;padding:0;display:grid;gap:8px}
.link-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:10px 16px;border:1px solid var(--line);border-radius:var(--r-field);text-decoration:none;font-weight:700}
.link-list a:hover{border-color:var(--ink)}

details>summary.summary-btn{display:inline-flex;align-items:center;min-height:44px;cursor:pointer;font-weight:700}
details[open]>summary.summary-btn{margin-bottom:8px}

.mt-8{margin-top:8px}
.gap-8{gap:8px}
.task-figure{margin:16px 0 0}
.test-pair+.test-pair{margin-top:12px}

.mt-24{margin-top:24px}
.center{text-align:center}
.fieldset{border:0;padding:0;margin:0}
.fieldset legend{margin-bottom:8px}
.field.compact{max-width:180px}

/* Отбор заданий: счётчик «Отобрано N» считает CSS, без JS */
.pick-form{counter-reset:picked}
.pick-list{list-style:none;padding:0;display:grid;gap:8px}
.pick-row{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--r-field);padding:4px 12px 4px 4px}
.pick-row:has(.pick-box:checked){border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.pick-label{flex:1;display:flex;align-items:center;gap:14px;min-height:56px;padding:6px 10px;cursor:pointer}
.pick-box{width:22px;height:22px;flex:none;accent-color:var(--ink);margin:0}
.pick-box:checked{counter-increment:picked}
.pick-main{display:flex;flex-direction:column;gap:6px}
.pick-footer{position:sticky;bottom:12px;margin-top:24px;display:flex;align-items:flex-end;gap:20px;flex-wrap:wrap;box-shadow:0 8px 28px rgba(16,24,40,.12);z-index:5}
.pick-counter{display:flex;flex-direction:column;gap:2px;margin-right:auto}
.pick-count::after{content:counter(picked);font-family:var(--f-display);font-size:36px;line-height:1}

.cell-caption{display:block;font-size:11px;color:var(--muted);margin-top:2px;white-space:nowrap}
.progress-summary{margin-top:16px;font-size:15px}

/* Решение задачи */
.task-strip-wrap{margin-bottom:20px}
.task-chip{position:relative}
.chip-pts{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;border-radius:var(--r-pill);background:var(--accent);color:var(--ink);font:400 12px/20px var(--f-display);text-align:center}
.solve-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:1000px){.solve-grid{grid-template-columns:1fr}}
.attempts-left{color:var(--muted)}
.attempt-list{list-style:none;padding:0;margin-top:8px;display:grid;gap:6px}
.attempt-list li{display:flex;justify-content:space-between;gap:12px;font-size:15px;border-top:1px solid var(--line);padding-top:6px}
.attempt-list li:first-child{border-top:0;padding-top:0}

/* Шапка тьютора: шесть разделов должны помещаться в 1280 px */
.tutor-nav .tabs a{padding:0 12px;gap:6px;font-size:14px}
.tutor-nav .tabs a svg{width:16px;height:16px}
@media (max-width:1400px){.tutor-head .header-user{display:none}}
.table th[scope=row]{font-size:15px;font-weight:700;text-transform:none;letter-spacing:0;color:var(--ink);white-space:normal}
.hero,.wait-title{letter-spacing:-.06em}

/* Программирование */
.code-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:20px;align-items:start}
@media (max-width:1100px){.code-grid{grid-template-columns:1fr}}
.mt-16{margin-top:16px}
.editor{border:1px solid var(--line);border-radius:var(--r-field);overflow:hidden;background:var(--paper)}
.editor:focus-within{border:2px solid var(--ink);box-shadow:var(--focus-ring)}
.editor .cm-editor{height:360px;font-size:14px}
.editor .cm-scroller{font-family:var(--f-mono);line-height:1.75}
.editor .cm-editor.cm-focused{outline:none}
.code-fallback{min-height:320px;font-size:14px;line-height:1.75}
.stdin-box{min-height:76px}
.io-error{color:var(--bad);background:var(--bad-bg);border-color:var(--bad-line)}
.busy{display:none;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--muted)}
.busy.htmx-request{display:inline-flex}
.sql-table td,.sql-table th{padding:6px 10px}

/* Тренажёр */
.typing-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:20px;align-items:start}
@media (max-width:1000px){.typing-grid{grid-template-columns:1fr}}
.typing-box{position:relative;border:1px solid var(--line);border-radius:var(--r-field);padding:20px 24px;cursor:text;background:var(--paper);user-select:none;-webkit-user-select:none}
.typing-box:focus-within{border:2px solid var(--ink);padding:19px 23px;box-shadow:var(--focus-ring)}
.typing-text{font-family:var(--f-ui);font-size:22px;line-height:1.9;font-weight:500;color:var(--ink);white-space:normal;word-break:break-word}
.typing-text .ch{border-radius:4px}
.typing-text .is-ok{color:var(--muted)}
.typing-text .is-err{color:var(--bad);background:var(--bad-bg);text-decoration:underline;text-decoration-color:var(--bad)}
.typing-text .is-miss{color:#fff;background:var(--bad)}
.typing-text .is-cur{color:#fff;background:var(--ink);box-shadow:0 2px 0 var(--ink)}
.typing-text .nl{color:var(--muted);font-size:16px}
.typing-input{position:absolute;left:0;top:0;width:1px;height:1px;opacity:0;border:0;padding:0;resize:none;overflow:hidden}
.typing-box.is-done{border-color:var(--ok-line)}
.typing-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:600px){.typing-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Профиль */
.mb-8{margin-bottom:8px}
.mb-16{margin-bottom:16px}
.verdict ul.verdict-text{padding-left:18px}
.profile-head{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.profile-points{display:flex;gap:32px}
.points-glyph{color:var(--accent);margin-right:6px}
.compact-table caption{text-align:left;padding:8px 0}
.compact-table th,.compact-table td{padding:8px 10px}
.event-list{list-style:none;padding:0;display:grid;gap:8px;max-height:520px;overflow:auto}
.event-list li{display:grid;grid-template-columns:92px 1fr;gap:12px;font-size:15px;align-items:baseline}
.event-list svg{vertical-align:-3px;margin-right:6px}
.legend-line{display:inline-block;width:24px;border-top:2px solid var(--ink)}
.legend-line.dashed{border-top:2px dashed var(--muted)}
.tools-grid{align-items:start}
.stat-row{display:flex;gap:16px 32px;flex-wrap:wrap}
.stat-row .stat-value{font-size:32px}

/* ---------- Подвал ---------- */
.app-footer{padding:24px 0 32px;color:var(--muted);font-size:13px}

/* ---------- Адаптив ---------- */
@media (max-width:900px){
  .hero{font-size:48px}
  .wait-title{font-size:36px}
  .app-header{height:auto;min-height:64px}
  .app-header .container{flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
  .app-header nav{order:3;flex-basis:100%}
}
@media (max-width:600px){
  .container{padding:0 16px}
  .stage-top,.stage-body,.stage-foot{padding-left:16px;padding-right:16px}
  .hero{font-size:38px}
  .card{padding:18px}
}

/* ---------- Анимации (только при разрешённом движении) ---------- */
@media (prefers-reduced-motion: no-preference){
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
  @keyframes pulse-scale{0%{transform:scale(1)}50%{transform:scale(1.08)}100%{transform:scale(1)}}
  @keyframes wait-blink{0%,100%{opacity:.25}50%{opacity:1}}
  .reveal>*{animation:rise .7s cubic-bezier(.22,1,.36,1) both}
  .reveal>*:nth-child(2){animation-delay:.07s}
  .reveal>*:nth-child(3){animation-delay:.14s}
  .reveal>*:nth-child(4){animation-delay:.21s}
  .reveal>*:nth-child(5){animation-delay:.28s}
  .reveal>*:nth-child(n+6){animation-delay:.35s}
  .hero span{animation:rise .7s cubic-bezier(.22,1,.36,1) both}
  .hero span:nth-child(1){animation-delay:.12s}
  .hero span:nth-child(2){animation-delay:.3s}
  .points-pill.is-bumped{animation:pulse-scale .6s cubic-bezier(.22,1,.36,1) 1}
  .wait-indicator i{animation:wait-blink 1.4s ease-in-out infinite}
  .wait-indicator i:nth-child(2){animation-delay:.2s}
  .wait-indicator i:nth-child(3){animation-delay:.4s}
  .btn,.tabs a,.choice-list a,.choice-list button,.task-chip{transition:background-color .15s,border-color .15s,color .15s}
}