/* ============================================================
   Curso de español · Nivel B1 — «Rumbo a la autonomía»
   Тёплый editorial-стиль: крем-фон, терракотовый акцент,
   серифные заголовки. Без внешних зависимостей.
   ============================================================ */

:root {
  --bg: #FAF6EF;
  --bg-deep: #F3EADC;
  --surface: #FFFFFF;
  --surface-2: #F4EDE1;
  --border: #E8DCC9;
  --border-soft: #EFE6D6;
  --text: #2D2822;
  --muted: #7B7060;
  --faint: #A79A87;

  --accent: #B5432A;
  --accent-dark: #8F321E;
  --accent-soft: #F7E7E0;

  --hablar: #B5432A;  --hablar-bg: #FAEEEA;
  --escuchar: #1F6E78; --escuchar-bg: #EAF3F4;
  --leer: #8C6A1D;     --leer-bg: #F7F1E1;
  --escribir: #6D4A6E; --escribir-bg: #F3EDF4;
  --ok: #3E7C4F;
  --ok-soft: #EAF2EB;

  --serif: Georgia, "Times New Roman", "Noto Serif", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(45,40,34,.05), 0 10px 28px -14px rgba(45,40,34,.22);
  --maxw: 880px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Испанские вставки */
.es { color: var(--accent-dark); }
main .es { font-weight: 500; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* Базовый размер инлайн-иконок */
svg.i { width: 18px; height: 18px; flex: none; vertical-align: -3px; }
.weeks-chip svg.i { width: 13px; height: 13px; vertical-align: -2px; }
.topnav .navlink svg.i { width: 14px; height: 14px; vertical-align: -2px; }
.home svg.i { width: 20px; height: 20px; vertical-align: -4px; }
.pager .home-cell svg.i, .btn svg.i { width: 16px; height: 16px; vertical-align: -3px; }
.unit-project svg.i, .project-callout svg.i, .project-banner svg.i { width: 17px; height: 17px; vertical-align: -3px; }
.unit-box summary svg.i { width: 18px; height: 18px; vertical-align: -4px; color: var(--accent); }

/* ---------- Верхняя панель ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 246, 239, .93);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 10px 20px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.home {
  font-family: var(--serif);
  font-weight: 700; font-size: 1.02rem;
  color: var(--accent-dark);
  display: inline-flex; align-items: center; gap: 7px;
  white-space: nowrap;
}
.home svg { flex: none; }
.site-link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 600; font-size: .82rem;
  white-space: nowrap;
  transition: border-color .15s, background .15s, color .15s;
}
.site-link svg.i { width: 14px; height: 14px; flex: none; }
.site-link:hover { border-color: var(--accent); color: var(--accent-dark); text-decoration: none; }
.topnav {
  margin-left: auto;
  display: flex; align-items: center; gap: 10px;
  font-size: .92rem;
}
.topnav .navlink {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 600; font-size: .88rem;
  transition: border-color .15s, background .15s;
  white-space: nowrap;
}
.topnav .navlink:hover { border-color: var(--accent); color: var(--accent-dark); text-decoration: none; }
.topnav .navlink.is-off { opacity: .38; pointer-events: none; }
.lesson-count { color: var(--muted); font-size: .88rem; white-space: nowrap; }

.done-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 10px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-weight: 600; font-size: .88rem;
  cursor: pointer; user-select: none;
  transition: all .15s;
  white-space: nowrap;
}
.done-toggle input { accent-color: var(--ok); width: 16px; height: 16px; cursor: pointer; }
.done-toggle.is-done { border-color: var(--ok); background: var(--ok-soft); color: var(--ok); }

/* Индексная навигация */
.index-nav {
  display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto;
}
.index-nav a {
  font-size: .88rem; font-weight: 600;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.index-nav a:hover { background: var(--surface-2); text-decoration: none; }

/* ---------- Hero (index) ---------- */
.hero {
  background:
    radial-gradient(1200px 420px at 85% -60px, #F6E3D3 0%, rgba(246,227,211,0) 60%),
    linear-gradient(180deg, #F4E9D8 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border-soft);
  padding: 56px 20px 44px;
}
.hero-inner { max-width: var(--maxw); margin: 0 auto; }
.kicker {
  font-size: .85rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
  display: flex; align-items: center; gap: 10px;
}
.kicker::before {
  content: ""; display: inline-block;
  width: 34px; height: 2px; background: var(--accent);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 6vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 10px;
  color: var(--text);
}
.hero h1 .hero-es { color: var(--accent-dark); }
.hero-sub {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  font-style: italic;
  color: var(--muted);
  margin: 0 0 18px;
}
.hero-lead { max-width: 62ch; color: var(--text); margin: 0 0 26px; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 0 0 26px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: 0 1px 2px rgba(45,40,34,.04);
}
.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 1.55rem; line-height: 1.15;
  color: var(--accent-dark);
}
.stat span { font-size: .85rem; color: var(--muted); }

.overall-progress {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.bar {
  flex: 1 1 260px; min-width: 200px;
  height: 12px; border-radius: 999px;
  background: #EBDFC9;
  overflow: hidden;
}
.bar i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, #C9502F, #9A3A20);
  border-radius: 999px;
  transition: width .4s ease;
}
.progress-label { font-size: .92rem; color: var(--muted); font-weight: 600; }
.reset-link {
  font-size: .85rem; color: var(--faint);
  background: none; border: none; cursor: pointer;
  padding: 4px 6px; text-decoration: underline; text-underline-offset: 3px;
  font-family: var(--sans);
}
.reset-link:hover { color: var(--accent); }

/* ---------- Общие секции ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
section.block-section { padding: 44px 0 8px; }
.section-head { margin-bottom: 20px; }
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  margin: 0 0 6px;
}
.section-head .sub { color: var(--muted); margin: 0; max-width: 70ch; }

/* 7 правил */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  padding: 0; margin: 0 0 10px;
  list-style: none;
}
.rule-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.rule-card b { display: block; color: var(--accent-dark); margin-bottom: 4px; font-size: .97rem; }
.rule-card p { margin: 0; font-size: .92rem; color: var(--muted); line-height: 1.55; }

/* Таблицы */
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .93rem;
  min-width: 560px;
}
thead th {
  text-align: left;
  font-size: .78rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-dark);
  padding: 11px 14px;
  border-bottom: 2px solid var(--border);
  background: #FBF5EA;
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: #FBF7EE; }
td.num, th.num { white-space: nowrap; font-variant-numeric: tabular-nums; }
td a { font-weight: 600; }

/* ---------- Карточки юнитов ---------- */
.units { display: flex; flex-direction: column; gap: 22px; }
.unit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  scroll-margin-top: 80px;
}
.unit-head {
  padding: 18px 22px 14px;
  background: linear-gradient(180deg, #FBF5EA 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border-soft);
  display: flex; gap: 16px; align-items: flex-start;
}
.unit-badge {
  flex: none;
  font-family: var(--serif); font-weight: 700;
  color: var(--surface);
  background: var(--accent);
  border-radius: 12px;
  min-width: 58px; height: 58px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 1.05rem; line-height: 1.05;
  padding: 4px 8px;
  text-align: center;
}
.unit-badge small { font-size: .6rem; font-weight: 600; letter-spacing: .08em; opacity: .85; text-transform: uppercase; }
.unit-titles h3 {
  margin: 0; font-family: var(--serif);
  font-size: 1.35rem; line-height: 1.25;
}
.unit-titles h3 .unit-es { color: var(--accent-dark); }
.unit-titles .unit-ru { margin: 2px 0 0; color: var(--muted); font-size: .98rem; }
.unit-meta { margin-left: auto; text-align: right; flex: none; }
.weeks-chip {
  display: inline-block;
  font-size: .8rem; font-weight: 700;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid #EFD5CB;
  padding: 4px 11px; border-radius: 999px;
  white-space: nowrap;
}
.unit-progress {
  margin-top: 8px;
  display: flex; align-items: center; gap: 8px;
  justify-content: flex-end;
  font-size: .82rem; color: var(--muted); font-weight: 600;
}
.unit-progress .bar { flex: none; width: 90px; height: 8px; }

.unit-body { padding: 14px 22px 18px; }
.unit-intro { color: var(--text); font-size: .96rem; margin: 0 0 14px; }
.lesson-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.lesson-list li { position: relative; }
.lesson-list li a {
  display: flex; align-items: baseline; gap: 12px;
  padding: 9px 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: #FEFCF8;
  transition: border-color .15s, background .15s;
}
.lesson-list li a:hover { border-color: var(--accent); background: #FFF9F5; text-decoration: none; }
.l-code {
  flex: none; font-family: var(--serif); font-weight: 700;
  color: var(--accent-dark);
  font-variant-numeric: tabular-nums;
  min-width: 34px;
}
.l-es { font-weight: 600; color: var(--text); }
.l-es .l-es-inner { color: var(--accent-dark); }
.l-ru { color: var(--muted); font-size: .92rem; }
.l-done { margin-left: auto; flex: none; align-self: center; width: 20px; height: 20px; }
.l-done .ring {
  display: block; width: 20px; height: 20px;
  border: 2px solid #D9CCB6; border-radius: 50%;
  background: var(--surface);
}
.lesson-list li a.done .ring {
  border-color: var(--ok); background-color: var(--ok);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 14px; background-position: center; background-repeat: no-repeat;
}
.unit-project {
  margin-top: 14px;
  padding: 12px 14px;
  background: #FBF3E4;
  border: 1px dashed #E3CF9F;
  border-radius: var(--radius-sm);
  font-size: .93rem;
  display: flex; gap: 10px; align-items: flex-start;
}
.unit-project svg { flex: none; margin-top: 2px; color: #8C6A1D; }
.unit-project b { color: #6E5310; }

/* ---------- Страница урока ---------- */
main.lesson-main { max-width: var(--maxw); margin: 0 auto; padding: 34px 20px 30px; }
.crumbs {
  font-size: .86rem; color: var(--muted);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-bottom: 20px;
}
.crumbs a { font-weight: 600; }
.crumbs .sep { color: var(--faint); }

.lesson-code-pill {
  display: inline-block;
  font-weight: 700; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid #EFD5CB;
  padding: 4px 12px; border-radius: 999px;
  margin: 0 0 12px;
}
h1.lesson-title {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 4.6vw, 2.5rem);
  line-height: 1.14;
  margin: 0 0 8px;
}
.lesson-sub {
  font-family: var(--serif); font-style: italic;
  font-size: 1.18rem; color: var(--muted);
  margin: 0 0 18px;
}
.lesson-intro {
  font-size: 1.02rem;
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 16px;
  margin: 0 0 30px;
  color: #4A443B;
}

/* Блоки урока */
.lesson-block { margin: 0 0 30px; }
.block-title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--serif);
  font-size: 1.3rem; margin: 0 0 12px;
}
.block-title .bicon {
  flex: none; width: 34px; height: 34px;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
}
.block-title .bicon svg { width: 19px; height: 19px; }

.block-goals .bicon { background: var(--ok-soft); color: var(--ok); }
.block-grammar .bicon { background: var(--escuchar-bg); color: var(--escuchar); }
.block-vocab .bicon { background: var(--leer-bg); color: var(--leer); }
.block-skills .bicon { background: var(--hablar-bg); color: var(--hablar); }
.block-check .bicon { background: var(--ok-soft); color: var(--ok); }

.goal-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; counter-reset: goal; }
.goal-list li {
  counter-increment: goal;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px 11px 46px;
  position: relative;
  font-weight: 500;
}
.goal-list li::before {
  content: counter(goal);
  position: absolute; left: 13px; top: 50%;
  transform: translateY(-50%);
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--ok); color: #fff;
  font-size: .82rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--sans);
}

.glist { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.glist li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--escuchar);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: .97rem;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center;
  background: var(--leer-bg);
  border: 1px solid #E7DCBB;
  color: #6E5310;
  border-radius: 999px;
  padding: 5px 13px;
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
}

/* Навыки */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}
.skill-card {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  border-top: 4px solid var(--sk);
  background: var(--skbg);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.skill-card h3 {
  margin: 0;
  display: flex; align-items: center; gap: 9px;
  font-family: var(--serif);
  font-size: 1.12rem; color: var(--sk);
}
.skill-card h3 svg { flex: none; }
.skill-card .task { margin: 0; font-size: .96rem; }
.skill-card .hint {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(45,40,34,.18);
  font-size: .84rem; color: var(--muted);
  display: flex; gap: 7px; align-items: flex-start;
}
.skill-card .hint svg { flex: none; margin-top: 2px; }
.skill-hablar   { --sk: var(--hablar);   --skbg: var(--hablar-bg); }
.skill-escuchar { --sk: var(--escuchar); --skbg: var(--escuchar-bg); }
.skill-leer     { --sk: var(--leer);     --skbg: var(--leer-bg); }
.skill-escribir { --sk: var(--escribir); --skbg: var(--escribir-bg); }

/* Чек-лист */
.checklist {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 8px;
}
.checklist li label {
  display: flex; align-items: flex-start; gap: 11px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.checklist li label:hover { border-color: var(--ok); }
.checklist input { accent-color: var(--ok); width: 18px; height: 18px; margin-top: 2px; flex: none; cursor: pointer; }
.checklist input:checked + span { color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(62,124,79,.5); }
.checklist.small li label { padding: 8px 12px; font-size: .92rem; }

/* Юнит-бокс и проект */
.unit-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0 0 30px;
  overflow: hidden;
}
.unit-box summary {
  cursor: pointer; user-select: none;
  padding: 15px 20px;
  font-family: var(--serif); font-weight: 700;
  font-size: 1.06rem;
  display: flex; align-items: center; gap: 10px;
  list-style: none;
  background: #FBF5EA;
}
.unit-box summary::-webkit-details-marker { display: none; }
.unit-box summary::after {
  content: ""; margin-left: auto;
  width: 10px; height: 10px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .15s;
}
.unit-box[open] summary::after { transform: rotate(-135deg); }
.unit-box .unit-box-body { padding: 16px 20px 18px; }
.project-callout {
  display: flex; gap: 10px; align-items: flex-start;
  background: #FBF3E4;
  border: 1px dashed #E3CF9F;
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  margin: 0 0 14px;
  font-size: .96rem;
}
.project-callout svg { flex: none; margin-top: 2px; color: #8C6A1D; }
.unit-box.project-now { border-color: #E3CF9F; box-shadow: var(--shadow); }
.project-banner {
  display: flex; gap: 10px; align-items: center;
  background: linear-gradient(90deg, #F9EDD8, #F7E7D9);
  border: 1px solid #EAD6AE;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-weight: 600; font-size: .97rem;
  margin: 0 0 14px;
}
.project-banner svg { flex: none; color: #8C6A1D; }

/* Пейджер */
.pager {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 10px; align-items: stretch;
  margin: 8px 0 10px;
}
.pager a {
  display: flex; flex-direction: column; gap: 2px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  min-height: 64px;
  transition: border-color .15s;
}
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager a span:first-child { font-size: .78rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .07em; }
.pager a span:last-child { font-weight: 600; font-size: .95rem; }
.pager .prev { text-align: left; grid-column: 1; }
.pager .next { text-align: right; grid-column: 3; }
.pager .home-cell { display: flex; align-items: center; justify-content: center; }
.pager .home-cell a { flex-direction: row; align-items: center; gap: 8px; min-height: 64px; font-weight: 600; }
.pager a.is-off { opacity: .35; pointer-events: none; }

/* ---------- Экзамен ---------- */
.exam-skill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 0 0 12px;
}
.exam-skill h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--accent-dark);
  display: flex; align-items: center; gap: 9px;
}
.exam-skill p { margin: 0; font-size: .97rem; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 6px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--accent);
  color: #FFF8F3;
  font-weight: 700; font-size: .98rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: none; cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--accent-dark); color: #fff; text-decoration: none; }
.btn.ghost { background: var(--surface); color: var(--accent-dark); border: 1.5px solid var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }

/* ---------- Футер ---------- */
footer.site-footer {
  margin-top: 56px;
  border-top: 1px solid var(--border-soft);
  background: #F6F0E4;
  padding: 26px 20px 34px;
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center; justify-content: space-between;
  color: var(--muted); font-size: .9rem;
}
.footer-inner .f-brand { font-family: var(--serif); font-weight: 700; color: var(--accent-dark); }
.footer-inner .f-nav {
  color: var(--accent-dark); font-weight: 600; text-decoration: none;
  border-bottom: 1px solid transparent;
}
.footer-inner .f-nav:hover { border-bottom-color: currentColor; }
.site-footer .legal { max-width: var(--maxw); margin: 14px auto 0; padding-top: 12px; border-top: 1px solid var(--border-soft); color: var(--muted); font-size: .82rem; line-height: 1.5; }
.site-footer .legal p + p { margin-top: 4px; }

/* ---------- Адаптив ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .topbar-inner { gap: 8px; }
  .topnav { order: 3; width: 100%; margin-left: 0; justify-content: space-between; }
  .done-toggle { margin-left: auto; }
  .unit-head { flex-direction: column; gap: 10px; }
  .unit-meta { margin-left: 0; text-align: left; width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; text-align: left; }
  .pager .home-cell { order: -1; }
  .lesson-list li a { flex-wrap: wrap; }
  .l-done { position: absolute; right: 10px; top: 10px; margin-left: 0; }
}

/* ---------- Печать ---------- */
@media print {
  .topbar, .pager, .reset-link, .done-toggle, .site-footer, .cta-row { display: none !important; }
  .site-footer { display: block !important; background: none; }
  .site-footer .footer-inner { display: none !important; }
  .site-footer .legal { display: block !important; border-top: 0; padding-top: 0; margin-top: 0; }
  body { background: #fff; font-size: 12.5pt; }
  .unit-card, .skill-card, .exam-skill, .rule-card { box-shadow: none; break-inside: avoid; }
  .ex-hint { background: none; }
  .ex-hint > summary { padding: 0 0 6px; }
  .ex-hint > summary::after { content: ""; }
  .hero { background: none; }
  details { display: block; }
  details > *:not(summary) { display: block !important; }
}

/* ============================================================
   Интерактивные задания (exercises.js) и блоки урока
   ============================================================ */

/* Прогресс тренажёра урока */
.ex-progress {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 18px;
  margin: 0 0 26px;
  box-shadow: var(--shadow);
}
.ex-progress .bar { flex: 1; height: 8px; border-radius: 999px; background: var(--bg-deep); overflow: hidden; }
.ex-progress .bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), #D96A4C); border-radius: 999px; transition: width .4s; }
.ex-progress-label { font-size: .86rem; font-weight: 600; color: var(--muted); white-space: nowrap; }

/* Таблица лексики */
.vocab-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.vocab-table th {
  text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); padding: 8px 12px; border-bottom: 2px solid var(--border);
}
.vocab-table td { padding: 9px 12px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
.vocab-table tr:last-child td { border-bottom: none; }
.vocab-table .v-es { font-weight: 600; color: var(--accent-dark); white-space: nowrap; }
.vocab-table .v-ex { color: var(--muted); font-style: italic; }
.vocab-table .v-none { color: var(--faint); font-style: normal; }

/* Карточки грамматики */
.gram-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin: 0 0 14px;
  box-shadow: var(--shadow);
}
.gram-card h3 {
  margin: 0 0 8px; font-family: var(--serif); font-size: 1.13rem;
  color: var(--accent-dark);
}
.gram-card .g-body { margin: 0 0 10px; font-size: .97rem; }
.gram-card .g-ex { margin: 0 0 10px; padding-left: 0; list-style: none; }
.gram-card .g-ex li {
  padding: 6px 0 6px 16px; position: relative;
  color: var(--text); font-size: .96rem;
  border-bottom: 1px dashed var(--border-soft);
}
.gram-card .g-ex li:last-child { border-bottom: none; }
.gram-card .g-ex li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
.gram-card .g-ru {
  margin: 0; font-size: .88rem; color: var(--muted);
  display: flex; gap: 8px; align-items: flex-start;
  background: var(--accent-soft); border-radius: 8px; padding: 8px 12px;
}
.gram-card .g-ru svg.i { width: 15px; height: 15px; margin-top: 3px; color: var(--accent); flex: none; }

/* Чтение */
.reading-title { font-family: var(--serif); font-size: 1.2rem; font-weight: 700; margin: 0 0 12px; color: var(--text); }
.reading-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  box-shadow: var(--shadow);
}
.reading-box p { margin: 0 0 12px; font-size: 1rem; line-height: 1.75; }
.reading-box p:last-child { margin-bottom: 0; }
.reading-meta { font-size: .85rem; color: var(--muted); margin: 10px 2px; }
.chips.glossary { margin: 0 0 14px; }
.chips.glossary .chip { font-size: .84rem; }

/* Аудирование / TTS */
.tts {
  background: linear-gradient(135deg, #EAF3F4, #F0F6F0);
  border: 1px solid #C9DEE0;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 0 0 12px;
}
.tts-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.tts-info { display: flex; flex-direction: column; gap: 2px; }
.tts-title { font-family: var(--serif); font-weight: 700; color: var(--escuchar); display: inline-flex; align-items: center; gap: 8px; }
.tts-voice { font-size: .78rem; color: var(--muted); }
.tts-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-tts {
  border: 1.5px solid var(--escuchar); background: var(--surface); color: var(--escuchar);
  font-weight: 600; font-size: .88rem; padding: 8px 14px; border-radius: 999px; cursor: pointer;
  transition: all .15s;
}
.btn-tts:hover { background: var(--escuchar-bg); }
.btn-tts.tts-stop { border-color: var(--border); color: var(--muted); }
.tts-note { font-size: .8rem; color: var(--muted); margin: 10px 0 0; }
.tts-hidden { display: none; }
.tts-line { margin: 6px 0; padding: 8px 12px; border-radius: 8px; font-size: .95rem; transition: background .3s; }
.tts-line.speaking { background: #FFF; box-shadow: inset 0 0 0 1.5px var(--escuchar); font-weight: 500; }
.tts-warn { margin: 0; font-size: .92rem; color: var(--accent-dark); }

.listen-intro { font-size: .97rem; margin: 0 0 10px; }
.transcript { margin: 0 0 16px; }
.transcript summary {
  cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--accent);
  padding: 8px 0;
}
.transcript-body {
  background: var(--surface); border: 1px dashed var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px; margin-top: 6px;
}
.transcript-body p { margin: 0 0 8px; font-size: .93rem; color: var(--text); }
.transcript-body p:last-child { margin: 0; }

/* Говорение и письмо */
.speak-task { font-size: 1rem; margin: 0 0 14px; }
.phrases-table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 0 0 14px; }
.phrases-table th {
  text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); padding: 7px 12px; border-bottom: 2px solid var(--border);
}
.phrases-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-soft); }
.phrases-table td:first-child { font-weight: 600; color: var(--accent-dark); white-space: nowrap; }
.phrases-table td:last-child { color: var(--muted); }
.block-speaking .hint, .lesson-block .hint {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: .88rem; color: var(--muted);
  background: var(--surface-2); border-radius: 8px; padding: 10px 12px; margin: 0;
}
.block-speaking .hint svg.i { width: 15px; height: 15px; margin-top: 3px; flex: none; color: var(--accent); }
.hw-banner {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--escribir-bg); color: var(--escribir);
  font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em;
  padding: 6px 14px; border-radius: 999px; margin: 0 0 14px;
}
.hw-banner svg.i { width: 15px; height: 15px; }
.hw-min { font-size: .88rem; color: var(--muted); margin: 0 0 10px; }
.hw-check { margin-top: 14px; }

/* ---------- Задания: каркас ---------- */
.ex {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 0 0 16px;
  box-shadow: var(--shadow);
}
.ex-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin: 0 0 12px; }

/* ---------- грамматическая подсказка перед заданием ---------- */
.ex-hint {
  margin: 0 0 14px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  break-inside: avoid;
}
.ex-hint > summary {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  font-size: .82rem; font-weight: 700; letter-spacing: .02em;
  color: var(--accent-dark); cursor: pointer; list-style: none;
}
.ex-hint > summary::-webkit-details-marker { display: none; }
.ex-hint > summary::after { content: "▾"; margin-left: auto; color: var(--faint); transition: transform .15s; }
.ex-hint[open] > summary::after { transform: rotate(180deg); }
.ex-hint > summary:hover { color: var(--accent); }
.hint-ico {
  flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: .72rem; font-weight: 700; font-style: italic;
  font-family: var(--serif);
}
.ex-hint-body { padding: 0 14px 12px; }
.hint-text { margin: 0; font-size: .93rem; line-height: 1.55; }
.hint-text + .conj-scroll { margin-top: 10px; }
.conj-scroll { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.conj-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.conj-table caption {
  caption-side: top; text-align: left;
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  background: var(--accent-soft); color: var(--accent-dark);
  font-size: .84rem; font-weight: 700;
}
.conj-table th, .conj-table td { border: 1px solid var(--border-soft); padding: 5px 10px; text-align: left; }
.conj-table thead th { background: var(--surface-2); font-weight: 700; white-space: nowrap; }
.conj-table tbody th { font-weight: 600; color: var(--muted); background: var(--surface-2); white-space: nowrap; }
.conj-table tbody tr:nth-child(even) td { background: #FCFAF6; }
.ex-type {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  color: var(--accent); background: var(--accent-soft);
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
}
.ex-title { font-weight: 600; font-size: .97rem; }
.ex-best { margin-left: auto; font-size: .78rem; color: var(--muted); white-space: nowrap; }
.ex-body { margin: 0 0 6px; }
.ex-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px dashed var(--border); padding-top: 12px; }
.ex-result { font-size: .92rem; }
.ex-result .r-ok { color: var(--ok); }
.ex-result .r-mid { color: #A06D1B; }
.ex-result .r-bad { color: var(--accent); }
.ex-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-ex {
  border: none; background: var(--accent); color: #FFF8F3;
  font-weight: 700; font-size: .88rem; padding: 9px 18px; border-radius: 999px;
  cursor: pointer; transition: background .15s;
}
.btn-ex:hover { background: var(--accent-dark); }
.btn-ex.btn-ghost { background: var(--surface); color: var(--muted); border: 1.5px solid var(--border); }
.btn-ex.btn-ghost:hover { border-color: var(--accent); color: var(--accent-dark); background: var(--surface); }
.btn-ex.btn-reveal { background: var(--surface-2); color: var(--muted); border: 1.5px dashed var(--border); }
.btn-ex.btn-reveal:hover { color: var(--accent-dark); border-color: var(--accent); }

.num-i {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; border-radius: 999px;
  background: var(--bg-deep); color: var(--muted);
  font-size: .76rem; font-weight: 700; margin-right: 4px;
}

/* Обратная связь по пунктам */
.ex-item { padding: 10px 12px; border-radius: 10px; margin: 0 0 6px; border: 1.5px solid transparent; }
.ex-item.ok { background: var(--ok-soft); border-color: var(--ok); }
.ex-item.bad { background: var(--accent-soft); border-color: var(--accent); }
.ex-item.revealed { background: var(--surface-2); border-style: dashed; border-color: var(--border); }
.ex-q { margin: 0; font-size: .97rem; }
.ex-explain { display: none; margin: 8px 0 0; font-size: .85rem; color: var(--muted); }
.ex-item.show-explain .ex-explain, .ex-item.revealed .ex-explain { display: block; }
.ex-item.accent-warn::after {
  content: "проверьте ударения"; display: inline-block; margin-left: 8px;
  font-size: .74rem; font-weight: 600; color: #A06D1B;
}

/* gap */
.gap-sentence { margin: 0; font-size: .97rem; line-height: 2; }
.gap-input, .sel-input {
  font: inherit; font-size: .95rem;
  border: none; border-bottom: 2px solid var(--accent);
  background: var(--bg); border-radius: 6px 6px 0 0;
  padding: 3px 10px; min-width: 130px; color: var(--text);
  margin: 0 4px;
}
.gap-input:focus, .sel-input:focus { outline: none; background: var(--accent-soft); }
.gap-input::placeholder { color: var(--faint); font-style: italic; font-size: .85rem; }
.ex-item.ok .gap-input { color: var(--ok); border-color: var(--ok); }
.ex-item.bad .gap-input { color: var(--accent-dark); border-color: var(--accent); }

/* mc / tf */
.mc-opts, .tf-opts { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.mc-opt, .tf-opt {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 12px; border: 1.5px solid var(--border-soft); border-radius: 10px;
  cursor: pointer; transition: border-color .15s, background .15s; font-size: .95rem;
}
.mc-opt:hover, .tf-opt:hover { border-color: var(--accent); background: var(--accent-soft); }
.mc-opt input, .tf-opt input { margin-top: 4px; accent-color: var(--accent); flex: none; }
.ex-item.ok .mc-opt, .ex-item.ok .tf-opt { border-color: var(--ok); }
.ex-item.bad .mc-opt, .ex-item.bad .tf-opt { border-color: var(--accent); }

/* select */
.sel-sentence { margin: 0; font-size: .97rem; line-height: 2.2; }

/* order */
.order-built {
  min-height: 44px; border: 1.5px dashed var(--border);
  border-radius: 10px; padding: 6px; margin: 10px 0;
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  background: var(--bg);
}
.order-ph { color: var(--faint); font-size: .84rem; font-style: italic; padding: 4px 8px; }
.order-pool { display: flex; flex-wrap: wrap; gap: 6px; }
.word-chip {
  border: 1.5px solid var(--border); background: var(--surface);
  border-radius: 8px; padding: 6px 12px; font-size: .93rem; cursor: pointer;
  transition: all .15s; font-family: inherit; color: var(--text);
}
.word-chip:hover { border-color: var(--accent); color: var(--accent-dark); }
.word-chip.ghost { background: var(--accent-soft); border-color: var(--accent); cursor: pointer; }
.word-chip.ghost.ok { background: var(--ok-soft); border-color: var(--ok); }
.order-pool .word-chip.used { opacity: .25; pointer-events: none; }
.ex-item.ok .order-built { border-color: var(--ok); border-style: solid; }
.ex-item.bad .order-built { border-color: var(--accent); border-style: solid; }
.ex-item.revealed .order-built { border-style: solid; border-color: var(--border); }

/* match */
.match-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.match-col { display: flex; flex-direction: column; gap: 7px; }
.match-item {
  border: 1.5px solid var(--border); background: var(--surface);
  border-radius: 10px; padding: 10px 12px; font-size: .93rem;
  cursor: pointer; text-align: left; transition: all .15s; font-family: inherit; color: var(--text);
}
.match-item:hover { border-color: var(--accent); }
.match-item.picked-a, .match-item.picked-b { border-color: var(--accent); background: var(--accent-soft); }
.match-item.locked { cursor: default; }
.match-item.locked.ok { border-color: var(--ok); background: var(--ok-soft); }
.match-item.bad { border-color: var(--accent); background: var(--accent-soft); }

/* category */
.cat-heads { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 8px; }
.cat-head {
  text-align: center; font-weight: 700; font-size: .85rem;
  background: var(--bg-deep); border-radius: 8px; padding: 8px 6px; color: var(--text);
}
.cat-lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.cat-lane {
  min-height: 60px; border: 1.5px dashed var(--border); border-radius: 10px;
  padding: 6px; display: flex; flex-wrap: wrap; gap: 6px; align-content: flex-start;
}
.cat-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-chip {
  border: 1.5px solid var(--border); background: var(--surface);
  border-radius: 999px; padding: 6px 14px; font-size: .9rem; cursor: pointer;
  transition: all .15s; font-family: inherit; color: var(--text);
}
.cat-chip:hover { border-color: var(--accent); }
.cat-chip.ghost { background: var(--accent-soft); border-color: var(--accent); cursor: pointer; }
.cat-chip.ghost.ok { background: var(--ok-soft); border-color: var(--ok); }
.cat-chip.ok { border-color: var(--ok); background: var(--ok-soft); }
.cat-chip.bad { border-color: var(--accent); background: var(--accent-soft); }

@media (max-width: 640px) {
  .match-wrap { grid-template-columns: 1fr; }
  .cat-heads, .cat-lanes { grid-template-columns: 1fr; }
  .ex-progress-label { font-size: .78rem; }
  .ex-best { margin-left: 0; width: 100%; }
  .gap-input, .sel-input { min-width: 90px; }
}

/* ============================================================
   Озвучка слов, «Реальная ситуация», алфавит, Sonidos y letras
   ============================================================ */

/* Кнопка-динамик (data-speak) */
.spk {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; padding: 0; flex: 0 0 auto;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--escuchar);
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .15s;
  vertical-align: middle;
}
.spk .i { width: 15px; height: 15px; }
.spk:hover { background: var(--escuchar-bg); border-color: var(--escuchar); }
.spk:active { transform: scale(.92); }
.spk-live { background: var(--escuchar); color: #fff; border-color: var(--escuchar); }
.spk-sm { width: 24px; height: 24px; }
.spk-sm .i { width: 12px; height: 12px; }
.no-tts .spk { display: none; }

/* Слово в таблице лексики: кнопка + текст */
.vocab-table .v-es { display: flex; align-items: center; gap: 8px; }
.vocab-table .v-es .spk { margin-top: -2px; }
.inline-audio { display: inline-flex; align-items: center; gap: 7px; }
.g-ex-audio li { display: flex; align-items: flex-start; gap: 8px; padding-left: 0 !important; }
.g-ex-audio li::before { content: none !important; }
.g-ex-audio .spk { margin-top: 1px; }

/* «Реальная ситуация»: диалог */
.sit-title { font-family: var(--serif); font-size: 1.12rem; font-weight: 700; color: var(--accent-dark); margin: 0 0 4px; }
.sit-context { color: var(--muted); margin: 0 0 14px; }
.dlg { background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 14px 16px 6px; }
.dlg-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.dlg-line { display: flex; flex-direction: column; gap: 2px; padding: 8px 4px 10px; border-radius: 10px; }
.dlg-head { display: flex; align-items: center; gap: 8px; }
.dlg-sp { font-size: .76rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--faint); }
.dlg-tu .dlg-sp { color: var(--accent); }
.dlg-bubble { background: var(--surface); border: 1px solid var(--border-soft); border-radius: 4px 14px 14px 14px; padding: 9px 12px; margin: 2px 0 0 2px; max-width: 94%; }
.dlg-tu .dlg-bubble { border-radius: 14px 4px 14px 14px; margin-left: 26px; background: var(--accent-soft); border-color: #EDD3C9; }
.dlg-es { margin: 0; font-weight: 500; }
.dlg-ru { margin: 3px 0 0; font-size: .86rem; color: var(--muted); }
.dlg-hide-ru .dlg-ru { display: none; }
.dlg-line.speaking .dlg-bubble { box-shadow: inset 0 0 0 1.5px var(--escuchar); }
.dlg-spk { width: 26px; height: 26px; margin-left: auto; }

/* Алфавит (A1, урок 0.1) */
.alphabet-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.abc-card { position: relative; display: flex; flex-direction: column; gap: 1px; background: var(--surface); border: 1px solid var(--border-soft); border-radius: 12px; padding: 10px 36px 10px 12px; transition: box-shadow .25s; }
.abc-ch { font-family: var(--serif); font-size: 1.3rem; font-weight: 700; color: var(--accent-dark); }
.abc-name { font-size: .76rem; color: var(--faint); font-style: italic; }
.abc-ex { font-size: .92rem; font-weight: 600; margin-top: 4px; }
.abc-ru { font-size: .8rem; color: var(--muted); }
.abc-card .spk { position: absolute; top: 9px; right: 8px; width: 26px; height: 26px; }
.abc-card.speaking { box-shadow: inset 0 0 0 2px var(--escuchar); }
.abc-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.abc-hint { font-size: .8rem; color: var(--muted); }

/* Sonidos y letras (A1, порционное чтение) */
.rs-focus { display: inline-flex; align-items: center; gap: 8px; background: var(--leer-bg); color: var(--leer); border: 1px solid #E5D9B8; border-radius: 999px; padding: 6px 14px; font-weight: 600; font-size: .92rem; margin: 0 0 10px; }
.rs-focus .i { width: 16px; height: 16px; }
.rs-explain { margin: 0 0 10px; }
.rs-words { margin: 0 0 14px; background: var(--surface); border: 1px solid var(--border-soft); border-radius: 12px; padding: 4px 14px; }
.rs-word { display: flex; align-items: center; gap: 9px; padding: 7px 0; border-bottom: 1px solid var(--border-soft); font-size: .95rem; }
.rs-word:last-child { border-bottom: none; }
.rs-es { font-weight: 600; color: var(--accent-dark); min-width: 132px; }
.rs-ru { color: var(--muted); font-size: .88rem; }

@media (max-width: 640px) {
  .rs-es { min-width: 0; }
  .dlg-tu .dlg-bubble { margin-left: 8px; }
}



/* ===== Перевод: тумблер в топбаре и элементы .tr ===== */
.tr-toggle {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 14px 6px 10px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-weight: 600; font-size: .88rem;
  cursor: pointer; user-select: none;
  transition: all .15s;
  white-space: nowrap;
}
.tr-toggle input { accent-color: var(--accent); width: 16px; height: 16px; cursor: pointer; }
.show-tr .tr-toggle { border-color: var(--accent); color: var(--accent-dark); background: var(--accent-soft); }
.tr { display: none; font-size: .86rem; line-height: 1.5; color: var(--muted); font-weight: 400; }
.show-tr .tr { display: block; margin-top: 4px; }
.show-tr .para-tr, .show-tr .ex-item-tr { padding-left: 10px; border-left: 3px solid var(--accent-soft); }
.show-tr .opt-tr { display: inline; margin: 0 0 0 6px; font-size: .8rem; }
.show-tr .v-ex .tr { margin-top: 3px; }
.show-tr .g-ex .tr { margin-top: 2px; }
.show-tr .transcript-body .tr, .show-tr .reading-box .tr { margin: -2px 0 10px; }

/* ---------- итоговый экзамен: автопроверка ---------- */
.exam-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; margin: 0 0 18px;
}
.exam-strip .cell {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.exam-strip .cell b { font-size: .9rem; color: var(--text); }
.exam-strip .cell span { font-size: .8rem; color: var(--muted); }

.exam-task {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px 18px;
  margin: 0 0 14px;
}
.exam-task h3 { margin: 0 0 6px; font-size: 1.02rem; font-family: var(--serif); }
.exam-task .t-tr { font-size: .84rem; color: var(--muted); margin: 0 0 10px; }
.exam-task .meta { font-size: .84rem; color: var(--muted); margin: 0 0 10px; }
.exam-task .oral-prompt {
  font-size: .92rem; line-height: 1.6; color: var(--text);
  background: var(--surface-2); border-radius: 8px; padding: 10px 12px; margin: 0 0 12px;
}

.exam-textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; font: inherit; font-size: .95rem; line-height: 1.6;
  background: var(--bg); color: var(--text); resize: vertical;
}
.exam-textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.writing-req {
  margin: 0 0 12px; padding-left: 20px;
  font-size: .88rem; line-height: 1.6; color: var(--muted);
}
.writing-req li { margin: 0 0 3px; }

.useful {
  background: var(--surface-2); border-radius: 8px;
  padding: 12px 14px; margin: 0 0 12px;
  font-size: .88rem; line-height: 1.7;
}
.useful b { display: block; margin-bottom: 6px; font-size: .82rem; color: var(--text); }
.useful .muted-ru { color: var(--muted); }

.t-tr { font-size: .84rem; color: var(--muted); }

.block-results #exam-rows td { vertical-align: top; }
.res-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.res-table th, .res-table td {
  text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border-soft);
}
.res-table th { font-size: .8rem; color: var(--muted); font-weight: 600; }
.res-table .res-mid { color: var(--muted); font-size: .85rem; }

.exam-verdict {
  margin: 14px 0 10px; padding: 14px 16px;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface-2); font-size: .96rem; line-height: 1.6;
}
.exam-verdict.ok { background: var(--ok-soft); border-color: var(--ok); }
.exam-verdict.no { background: var(--accent-soft); border-color: var(--accent); }
.exam-verdict b { font-family: var(--serif); }

.advice { margin: 0; padding-left: 20px; font-size: .89rem; line-height: 1.7; color: var(--muted); }
.advice li { margin: 0 0 6px; }

.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 0; }

@media print {
  .exam-textarea { display: none; }
  .cta-row { display: none; }
  .exam-task, .exam-strip .cell, .exam-verdict { break-inside: avoid; }
}