/* Зачётка — тетрадь в клетку, синяя ручка, жёлтый маркер, красная ручка преподавателя */
:root {
  --paper: #F4F6FA;
  --grid: #DCE3F0;
  --ink: #101A33;
  --muted: #5B6680;
  --pen: #2848D9;
  --pen-dark: #1E38B0;
  --pen-soft: #E6EBFB;
  --marker: #FFE24D;
  --marker-soft: #FFF3B0;
  --red: #D93A3A;
  --red-soft: #FDE8E8;
  --green: #1C9A5B;
  --green-soft: #E3F5EB;
  --card: #FFFFFF;
  --line: #D9DFEA;
  --code-bg: #0F1526;
  --code-fg: #E8ECF5;
  --shadow: 0 1px 2px rgba(16,26,51,.06), 0 8px 24px -12px rgba(16,26,51,.18);
  --radius: 14px;
  --font-body: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Unbounded", "Onest", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --grid-size: 28px;
}
:root[data-theme="dark"] {
  --paper: #0F1526;
  --grid: #1A2340;
  --ink: #E8ECF5;
  --muted: #9AA6C4;
  --pen: #7A93FF;
  --pen-dark: #5C79F5;
  --pen-soft: #1B2447;
  --marker: #FFD93B;
  --marker-soft: #4A4210;
  --red: #FF6B6B;
  --red-soft: #3A1C1C;
  --green: #3ED27F;
  --green-soft: #17331F;
  --card: #161E33;
  --line: #2A3554;
  --code-bg: #0A0F1D;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  background-position: -1px -1px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--pen); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--pen-dark); }
button { font: inherit; color: inherit; }
code, pre, kbd { font-family: var(--font-mono); }
p code, li code, h2 code, h3 code, .q-text code, .opt code, .explain code, .res-q code {
  font-size: .9em; background: var(--pen-soft); color: var(--ink); padding: .08em .4em; border-radius: 6px; white-space: pre-wrap;
}
kbd { font-size: .8em; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 0 .4em; background: var(--card); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--marker); color: #101A33; padding: 6px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--pen); outline-offset: 2px; border-radius: 6px; }
.hidden { display: none !important; }

/* Марекер — подпись сайта */
.mark {
  background: linear-gradient(104deg, transparent 0.6%, var(--marker) 2.4%, var(--marker) 96.5%, transparent 98%);
  padding: 0 .22em; margin: 0 -.1em;
  border-radius: .25em .5em .3em .6em;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
  color: #101A33;
}
.mark--draw { background-size: 0% 100%; background-repeat: no-repeat; animation: draw 900ms cubic-bezier(.2,.7,.2,1) 200ms forwards; }
@keyframes draw { to { background-size: 100% 100%; } }
@media (prefers-reduced-motion: reduce) { .mark--draw { background-size: 100% 100%; animation: none; } }

/* Шапка */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 22px;
  padding: 12px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--marker); color: #101A33; font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 17px; letter-spacing: -.01em; }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 10px; font-weight: 500; }
.nav a:hover { color: var(--ink); background: var(--card); }
.nav a.active { color: var(--ink); background: var(--card); box-shadow: inset 0 0 0 1px var(--line); }
.search { margin-left: auto; flex: 0 1 300px; }
.search input { width: 100%; padding: 9px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); font: inherit; font-size: 15px; }
.search input::placeholder { color: var(--muted); }
.theme { border: 1px solid var(--line); background: var(--card); border-radius: 10px; width: 38px; height: 38px; cursor: pointer; font-size: 17px; }
.theme:hover { border-color: var(--pen); }

/* Каркас */
.app { width: min(1120px, 100% - clamp(32px, 8vw, 80px)); margin: 0 auto; padding: 34px 0 60px; flex: 1; }
.view { animation: fade 180ms ease-out; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 18px clamp(16px, 4vw, 40px); border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; background: color-mix(in srgb, var(--paper) 80%, transparent); }

h1, h2, h3 { line-height: 1.15; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; }
h2 { font-size: 1.45rem; font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 600; }
.lead { color: var(--muted); font-size: 1.05rem; max-width: 60ch; margin: 0 0 1.2em; }
.eyebrow { color: var(--muted); font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }

/* Кнопки */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-weight: 600; cursor: pointer; text-decoration: none; transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--pen); border-color: var(--pen); color: #fff; }
.btn--primary:hover { background: var(--pen-dark); }
.btn--marker { background: var(--marker); border-color: var(--marker); color: #101A33; }
.btn--ghost { background: transparent; }
.btn--sm { padding: 7px 12px; font-size: 14px; border-radius: 10px; }
.btn--lg { padding: 14px 24px; font-size: 1.05rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* Главная */
.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; margin-bottom: 44px; }
.hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; line-height: 1.08; letter-spacing: -.02em; margin-bottom: .5em; }
.hero .lead { font-size: 1.12rem; }
.hero-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); position: relative; }
.hero-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--red); opacity: .7; border-radius: var(--radius) 0 0 var(--radius); }
.stat-row { display: flex; gap: 22px; flex-wrap: wrap; margin-bottom: 16px; }
.stat b { display: block; font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.stat span { color: var(--muted); font-size: 14px; }
.hero-card .hint { color: var(--muted); font-size: 14px; margin-top: 12px; }

.courses { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.course { display: flex; flex-direction: column; gap: 10px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 16px; transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease; position: relative; }
.course:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--pen) 40%, var(--line)); }
.course h3 { font-size: 1.12rem; margin: 0; }
.course h3 a { color: inherit; text-decoration: none; }
.course h3 a::after { content: ""; position: absolute; inset: 0; }
.course .meta { color: var(--muted); font-size: 14px; }
.course .tag { display: inline-block; font-family: var(--font-mono); font-size: 12px; background: var(--pen-soft); color: var(--pen-dark); padding: 2px 8px; border-radius: 6px; margin-bottom: 4px; }
:root[data-theme="dark"] .course .tag { color: var(--pen); }
.course .actions { display: flex; gap: 8px; position: relative; z-index: 1; margin-top: 4px; }
.course .actions .btn { flex: 1; }

/* Прогресс-полоска маркером */
.stroke { position: relative; height: 10px; background: var(--grid); border-radius: 3px; overflow: hidden; }
.stroke > i { position: absolute; inset: 0 auto 0 0; background: var(--marker); border-radius: 2px 6px 3px 5px; transition: width 400ms ease; }
.stroke.stroke--good > i { background: var(--green); }
.stroke-label { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-top: 6px; }

/* Страница дисциплины */
.back { display: inline-block; color: var(--muted); text-decoration: none; font-size: 14px; margin-bottom: 14px; }
.back:hover { color: var(--ink); }
.course-layout { display: grid; grid-template-columns: 1.3fr .9fr; gap: 24px; align-items: start; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.panel h3 { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.panel h3 small { color: var(--muted); font-weight: 500; font-size: 13px; }
.topic-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.topic { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; }
.topic:hover { background: var(--paper); }
.topic input { width: 18px; height: 18px; accent-color: var(--pen); }
.topic .t-name { font-weight: 500; }
.topic .t-count { color: var(--muted); font-size: 13px; }
.topic .t-acc { font-family: var(--font-mono); font-size: 13px; color: var(--muted); min-width: 4ch; text-align: right; }
.topic .t-acc.good { color: var(--green); }
.topic .t-acc.bad { color: var(--red); }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label { flex: 1 1 auto; text-align: center; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; font-weight: 500; font-size: 15px; background: var(--card); }
.seg label:has(input:checked) { background: var(--pen-soft); border-color: var(--pen); color: var(--pen-dark); }
:root[data-theme="dark"] .seg label:has(input:checked) { color: var(--pen); }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.field { margin-bottom: 16px; }
.field > .eyebrow { margin-bottom: 8px; }
.mode-desc { color: var(--muted); font-size: 14px; margin: 8px 0 0; min-height: 2.6em; }

/* Тест */
.quiz-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.quiz-bar b { color: var(--ink); font-family: var(--font-display); font-weight: 500; font-size: 15px; }
.quiz-bar .timer { margin-left: auto; font-family: var(--font-mono); font-size: 15px; color: var(--ink); padding: 4px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
.quiz-bar .timer.low { color: var(--red); border-color: var(--red); }
.quiz-bar .quit { color: var(--muted); background: none; border: none; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.quiz-track { height: 8px; background: var(--grid); border-radius: 3px; overflow: hidden; margin-bottom: 22px; }
.quiz-track i { display: block; height: 100%; background: var(--marker); border-radius: 2px 6px 3px 5px; transition: width 300ms ease; }
.qcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(18px, 3vw, 30px); box-shadow: var(--shadow); max-width: 860px; margin: 0 auto; }
.q-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.q-meta .q-topic { font-weight: 600; }
.q-meta .q-diff { font-family: var(--font-mono); letter-spacing: 2px; }
.q-meta .q-kind { border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; }
.q-meta .bookmark { margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 3px 9px; cursor: pointer; color: var(--muted); font-size: 13px; }
.q-meta .bookmark.on { color: #8a6d00; background: var(--marker-soft); border-color: var(--marker); }
:root[data-theme="dark"] .q-meta .bookmark.on { color: var(--marker); }
.q-text { font-size: 1.25rem; font-weight: 600; line-height: 1.35; margin: 0 0 14px; }
pre.q-code { margin: 0 0 18px; background: var(--code-bg); color: var(--code-fg); border-radius: 12px; padding: 14px 16px; font-size: 14.5px; line-height: 1.5; overflow: auto; tab-size: 4; }
pre.q-code code { font-family: var(--font-mono); }
.opts { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; }
.opt { display: grid; grid-template-columns: 30px 1fr auto; gap: 12px; align-items: center; width: 100%; text-align: left; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 12px; background: var(--card); cursor: pointer; font-size: 1rem; line-height: 1.4; transition: border-color 100ms ease, background 100ms ease; }
.opt:hover { border-color: var(--pen); background: var(--pen-soft); }
.opt .key { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 7px; border: 1px solid var(--line); font-family: var(--font-mono); font-size: 13px; color: var(--muted); background: var(--paper); }
.opt .txt { white-space: pre-wrap; }
.opt.selected { border-color: var(--pen); background: var(--pen-soft); }
.opt.selected .key { background: var(--pen); color: #fff; border-color: var(--pen); }
.opt.correct { border-color: var(--green); background: var(--green-soft); }
.opt.correct .key { background: var(--green); color: #fff; border-color: var(--green); }
.opt.wrong { border-color: var(--red); background: var(--red-soft); }
.opt.wrong .txt { text-decoration: underline wavy var(--red); text-decoration-thickness: 1.5px; text-underline-offset: 4px; }
.opt.wrong .key { background: var(--red); color: #fff; border-color: var(--red); }
.opt.missed { border-style: dashed; border-color: var(--green); }
.opt[disabled] { cursor: default; }
.opt[disabled]:hover { background: inherit; }
.opt.correct[disabled]:hover { background: var(--green-soft); }
.opt.wrong[disabled]:hover { background: var(--red-soft); }
.opt .mark-ico { font-size: 14px; font-weight: 700; }
.opt.correct .mark-ico { color: var(--green); }
.opt.wrong .mark-ico { color: var(--red); }
.tf { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.input-wrap { display: flex; gap: 10px; }
.input-wrap input { flex: 1; font: inherit; font-family: var(--font-mono); font-size: 1rem; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); }
.input-wrap input:focus { border-color: var(--pen); outline: none; }
.input-wrap input.correct { border-color: var(--green); background: var(--green-soft); }
.input-wrap input.wrong { border-color: var(--red); background: var(--red-soft); text-decoration: underline wavy var(--red); }
.q-actions { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.q-actions .note { color: var(--muted); font-size: 14px; }
.explain { margin-top: 18px; padding: 14px 16px; border-radius: 12px; border-left: 4px solid var(--green); background: var(--green-soft); animation: fade 160ms ease-out; }
.explain.bad { border-left-color: var(--red); background: var(--red-soft); }
.explain .verdict { font-weight: 700; margin-bottom: 4px; }
.explain .verdict.ok { color: var(--green); }
.explain .verdict.no { color: var(--red); }
.explain .right-ans { font-size: 14px; color: var(--muted); margin-top: 6px; }
.explain .right-ans code { background: var(--card); }

/* Результаты */
.results-head { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 22px; box-shadow: var(--shadow); }
.score { font-family: var(--font-display); font-size: clamp(2.6rem, 6vw, 4rem); font-weight: 700; line-height: 1; }
.score small { font-size: .4em; color: var(--muted); font-family: var(--font-body); font-weight: 500; }
.grade { display: inline-block; padding: 4px 12px; border-radius: 8px; font-weight: 700; margin-bottom: 8px; }
.grade--5 { background: var(--green-soft); color: var(--green); }
.grade--4 { background: var(--pen-soft); color: var(--pen-dark); }
.grade--3 { background: var(--marker-soft); color: #8a6d00; }
.grade--2 { background: var(--red-soft); color: var(--red); }
:root[data-theme="dark"] .grade--3 { color: var(--marker); }
:root[data-theme="dark"] .grade--4 { color: var(--pen); }
.topic-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.topic-table td, .topic-table th { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.topic-table th { color: var(--muted); font-weight: 600; font-size: 13px; }
.topic-table td:last-child, .topic-table th:last-child { text-align: right; font-family: var(--font-mono); }
.review { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.res-q { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.res-q.ok { border-left: 4px solid var(--green); }
.res-q.no { border-left: 4px solid var(--red); }
.res-q .res-title { font-weight: 600; margin-bottom: 6px; }
.res-q .res-line { font-size: 14.5px; margin: 3px 0; }
.res-q .res-line b { font-weight: 600; }
.res-q .res-line.you { color: var(--red); }
.res-q .res-line.you s { text-decoration-color: var(--red); }
.res-q .res-line.right { color: var(--green); }
.res-q .res-explain { color: var(--muted); font-size: 14.5px; margin-top: 6px; }
.res-q pre { background: var(--code-bg); color: var(--code-fg); border-radius: 10px; padding: 10px 12px; font-size: 13.5px; overflow: auto; margin: 6px 0 8px; }

/* Прогресс */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.pcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.pcard h3 { margin-bottom: 8px; }
.pcard .nums { display: flex; gap: 18px; margin: 8px 0 10px; }
.pcard .nums b { display: block; font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; }
.pcard .nums span { font-size: 13px; color: var(--muted); }
.sessions { list-style: none; margin: 0; padding: 0; }
.sessions li { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.sessions li span:last-child { font-family: var(--font-mono); }
.danger { color: var(--red); border-color: var(--red-soft); }

/* Материалы */
.mat-course { margin-bottom: 28px; }
.mat-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px; }
.mat { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; text-decoration: none; color: var(--ink); transition: border-color 120ms ease, transform 120ms ease; }
.mat:hover { border-color: var(--pen); transform: translateY(-1px); color: var(--ink); }
.mat .kind { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--pen-dark); background: var(--pen-soft); padding: 1px 7px; border-radius: 6px; margin-bottom: 4px; }
:root[data-theme="dark"] .mat .kind { color: var(--pen); }
.mat .mt { font-weight: 600; }
.mat .mn { color: var(--muted); font-size: 14px; }
.mat .mu { color: var(--muted); font-size: 12px; font-family: var(--font-mono); word-break: break-all; margin-top: 4px; }

/* Поиск */
.search-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.search-item { display: block; width: 100%; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; cursor: pointer; }
.search-item:hover { border-color: var(--pen); }
.search-item .si-meta { color: var(--muted); font-size: 13px; margin-bottom: 2px; }
.search-item mark { background: var(--marker); color: #101A33; border-radius: 3px; padding: 0 2px; }

.empty { text-align: center; color: var(--muted); padding: 40px 20px; background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); }
.empty b { color: var(--ink); display: block; font-size: 1.1rem; margin-bottom: 6px; }
.section { margin-bottom: 36px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.section-head p { margin: 0; color: var(--muted); }

/* Prism (тёмная схема под ручку) */
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: #7E8AA8; }
.token.punctuation { color: #B8C2DA; }
.token.property, .token.tag, .token.boolean, .token.number, .token.constant, .token.symbol { color: #FFD166; }
.token.selector, .token.attr-name, .token.string, .token.char, .token.builtin { color: #9BE59B; }
.token.operator, .token.entity, .token.url { color: #E8ECF5; }
.token.atrule, .token.attr-value, .token.keyword { color: #8FB4FF; }
.token.function, .token.class-name { color: #F7A8FF; }
.token.regex, .token.important, .token.variable { color: #FFB86B; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 20px; }
  .course-layout { grid-template-columns: 1fr; }
  .results-head { grid-template-columns: 1fr; }
  .top { gap: 10px; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; }
  .search { flex: 1; margin-left: 0; }
  .brand-name { display: none; }
  body { font-size: 16px; }
  .opt { grid-template-columns: 26px 1fr auto; padding: 11px 12px; }
  .foot-keys { display: none; }
}
@media print { .top, .foot, .q-actions, .search { display: none !important; } body { background: #fff; } }
.res-q pre code { background: none; padding: 0; color: inherit; font-size: inherit; border-radius: 0; }