/* Образование – начална страница */
:root {
  --green: #1f5a43;
  --green-700: #17473a;
  --green-50: #edf5f0;
  --green-100: #e2eee7;
  --green-300: #9fc3af;
  --ink: #111a15;
  --muted: #5b6660;
  --line: #e5e9e6;
  --bg: #f5f6f5;
  --surface: #fff;
  --icon-bg: #e8f1ec;
  --radius: 12px;
  --header-h: 70px;
  --sidebar-w: 352px;
  --shadow: 0 1px 2px rgba(17, 26, 21, .04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Sofia Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  font-feature-settings: "locl";
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

/* ---------- Горна лента ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  height: var(--header-h);
  display: flex; align-items: center; gap: 16px;
  padding: 0 26px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; width: calc(var(--sidebar-w) - 26px); flex-shrink: 0; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--green); color: #fff; font-size: 21px;
}
.brand-text strong { display: block; font-size: 21px; font-weight: 700; letter-spacing: -.01em; line-height: 1.1; }
.brand-text small { display: block; font-size: 14px; color: var(--muted); margin-top: 2px; }

.search {
  position: absolute; left: 50%; width: min(536px, calc(100% - 2 * var(--sidebar-w) - 40px)); transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px;
  height: 48px; padding: 0 12px 0 16px;
  background: #f4f5f4; border: 1px solid var(--line); border-radius: 10px;
}
.search i { color: var(--muted); font-size: 17px; }
.search input { flex: 1; min-width: 0; border: 0; background: none; font: inherit; font-size: 16px; color: var(--ink); outline: none; }
.search input::placeholder { color: #6f7973; }
.search input::-webkit-search-cancel-button { display: none; }
.search:focus-within { border-color: var(--green-300); background: #fff; box-shadow: 0 0 0 3px var(--green-50); }
.kbd { display: flex; gap: 3px; }
kbd {
  font: 600 12px/1 "Sofia Sans", sans-serif; color: var(--muted);
  padding: 5px 6px; border: 1px solid var(--line); border-radius: 5px; background: #fff;
}

.topbar-right { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.icon-btn { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; font-size: 21px; position: relative; }
.icon-btn:hover { background: var(--green-50); }
.bell .dot { position: absolute; top: 9px; right: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); border: 2px solid #fff; box-sizing: content-box; }
.menu-btn, .search-btn { display: none; }

.user { display: flex; align-items: center; gap: 14px; padding: 4px 6px 4px 4px; border-radius: 30px; }
.user:hover { background: var(--green-50); }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--green-100); color: var(--green); font-weight: 700; font-size: 17px;
}
.user-name { font-weight: 600; font-size: 18px; }

/* ---------- Падащи менюта ---------- */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 40; min-width: 220px;
  padding: 6px; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 12px 32px rgba(17, 26, 21, .12);
  opacity: 0; visibility: hidden; transform: translateY(-4px); transition: .15s ease;
}
.dropdown-end { left: auto; right: 0; }
.dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: none; }
.dropdown-menu a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; font-weight: 500; }
.dropdown-menu a i { width: 18px; color: var(--muted); }
.dropdown-menu a:hover, .dropdown-menu a.active { background: var(--green-50); }
.dropdown-menu a.active { color: var(--green); font-weight: 700; }
.dropdown-menu a .ms-auto { margin-left: auto; color: var(--green); }
.dropdown-menu hr { border: 0; border-top: 1px solid var(--line); margin: 6px 0; }

/* ---------- Подредба ---------- */
.layout { display: flex; min-height: calc(100vh - var(--header-h)); }

.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  padding: 18px 16px 24px 12px;
  background: #fbfcfb; border-right: 1px solid var(--line);
  position: sticky; top: var(--header-h); height: calc(100vh - var(--header-h)); overflow-y: auto;
}
.year { margin: 0 8px 0 14px; }
.year .dropdown-menu { right: 0; }
.year-btn {
  width: 100%; display: flex; align-items: center; gap: 16px; text-align: left;
  padding: 12px 18px 12px 16px; border-radius: 10px;
  background: #f1f3f2; border: 1px solid var(--line);
}
.year-btn:hover { border-color: var(--green-300); }
.year-btn > i:first-child { font-size: 25px; color: #4a5650; }
.year-btn small { display: block; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.year-btn strong { display: block; font-size: 18px; font-weight: 600; }
.year-btn .chev { margin-left: auto; font-size: 13px; color: #4a5650; transition: transform .15s; }
.year.open .chev { transform: rotate(180deg); }

.side-label { margin: 22px 0 12px 14px; font-size: 14px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

.subjects { display: flex; flex-direction: column; gap: 4px; }
.subject {
  display: flex; align-items: center; gap: 26px;
  padding: 11px 16px 11px 32px; border-radius: 10px;
  position: relative;
}
.subject:hover { background: var(--green-50); }
.subject.active { background: var(--green-100); }
.subject.active::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; border-radius: 4px 0 0 4px; background: var(--green); }
.subject-icon { width: 30px; flex-shrink: 0; display: grid; place-items: center; font-size: 25px; color: #4d5852; }
.subject.active .subject-icon { color: var(--green); }
.subject-icon b { font-size: 23px; font-weight: 800; letter-spacing: -.02em; }
.subject-text strong { display: block; font-size: 18px; font-weight: 600; line-height: 1.25; }
.subject-text small { display: block; font-size: 16px; color: var(--muted); }
.subject.active .subject-text strong { color: var(--green-700); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.content { flex: 1; padding: 26px 32px 8px 32px; }
.crumbs { font-size: 15px; color: var(--muted); }
.crumbs a:hover { color: var(--green); }
h1 { margin: 12px 0 8px 2px; font-size: 34px; font-weight: 800; letter-spacing: -.01em; line-height: 1.15; }
.lead { margin: 0 0 18px 0; font-size: 19px; color: var(--muted); }

.topics-wrap { background: var(--surface); border-radius: 14px; padding: 12px 14px; margin: 0 -6px; box-shadow: var(--shadow); }
.topics { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.topic {
  display: flex; align-items: center; gap: 28px;
  padding: 10px 24px 10px 22px; min-height: 88px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.topic:hover { border-color: var(--green-300); box-shadow: 0 4px 14px rgba(31, 90, 67, .07); }
.topic.active { background: var(--green-50); border-color: var(--green-300); }
.topic-icon {
  --icon-bg: #e8f1ec;
  width: 58px; height: 58px; flex-shrink: 0; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--icon-bg); color: var(--green); font-size: 26px;
}
.topic.active .topic-icon { --icon-bg: var(--green); color: #fff; }
.topic-icon b { font-family: "Cambria Math", "STIX Two Math", Georgia, serif; font-size: 24px; font-weight: 700; font-style: italic; letter-spacing: -.02em; white-space: nowrap; }
.topic-glyph { font-family: "Cambria Math", "STIX Two Math", Georgia, serif; font-size: 25px; font-weight: 700; font-style: italic; letter-spacing: -.02em; }
.topic-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topic-body .num { font-size: 15px; color: var(--muted); line-height: 1.2; }
.topic-body strong { font-size: 18px; font-weight: 700; line-height: 1.3; }
.topic-body .desc { font-size: 16px; color: var(--muted); }
.topic .go { font-size: 17px; color: var(--ink); transition: transform .15s; }
.topic:hover .go { transform: translateX(3px); color: var(--green); }
.empty { margin: 8px 0; padding: 26px; text-align: center; color: var(--muted); }
.empty i { margin-right: 8px; }

.footer {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 16px 32px; font-size: 14px; color: var(--muted);
  border-top: 1px solid var(--line); background: var(--bg);
}
.footer nav { display: flex; }
.footer nav a + a { border-left: 1px solid #c8cfcb; margin-left: 10px; padding-left: 10px; }
.footer a:hover { color: var(--green); }

.backdrop { display: none; }

/* ---------- По-малки екрани ---------- */
@media (max-width: 1280px) {
  :root { --sidebar-w: 300px; }
  .subject { padding-left: 22px; gap: 20px; }
}

@media (max-width: 991px) {
  :root { --header-h: 62px; }
  .topbar { padding: 0 12px; gap: 8px; }
  .menu-btn { display: grid; }
  .brand { width: auto; gap: 10px; }
  .brand-mark { width: 38px; height: 38px; font-size: 17px; }
  .brand-text strong { font-size: 18px; }
  .brand-text small { font-size: 12px; }
  .search {
    position: absolute; left: 12px; right: 12px; width: auto; transform: none; top: calc(100% + 8px);
    margin: 0; display: none; background: #fff; box-shadow: 0 10px 30px rgba(17, 26, 21, .12);
  }
  .search-open .search { display: flex; }
  .search-btn { display: grid; }
  .kbd { display: none; }
  .topbar-right { gap: 4px; }
  .user-name, .user .fa-caret-down { display: none; }
  .avatar { width: 38px; height: 38px; }

  .sidebar {
    position: fixed; z-index: 50; left: 0; top: 0; height: 100vh; width: min(86vw, 320px);
    padding-top: 20px; transform: translateX(-100%); transition: transform .2s ease;
    box-shadow: 0 0 40px rgba(17, 26, 21, .18);
  }
  .menu-open .sidebar { transform: none; }
  .menu-open .backdrop { display: block; position: fixed; inset: 0; z-index: 45; background: rgba(17, 26, 21, .35); }
  .year { margin: 0 4px; }

  .content { padding: 20px 16px 8px; }
  h1 { font-size: 26px; }
  .lead { font-size: 17px; }
  .topics-wrap { margin: 0; padding: 8px; }
  .topic { gap: 16px; padding: 12px 14px; min-height: 0; }
  .topic-icon { width: 48px; height: 48px; font-size: 21px; }
  .topic-icon b { font-family: "Cambria Math", "STIX Two Math", Georgia, serif; font-size: 20px; font-weight: 700; font-style: italic; letter-spacing: -.02em; white-space: nowrap; }
.topic-glyph { font-size: 21px; }
  .topic-body strong { font-size: 17px; }
  .topic-body .desc { font-size: 15px; }
  .footer { padding: 14px 16px; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .brand-text small { display: none; }
}

/* ---------- Данни от базата ---------- */
.subject-text strong { overflow-wrap: anywhere; }
.side-empty { margin: 4px 14px; font-size: 15px; color: var(--muted); }
.dropdown-empty { display: block; padding: 9px 12px; color: var(--muted); font-size: 14px; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty-state i { font-size: 40px; color: var(--green-300); margin-bottom: 12px; display: block; }
.empty-state p { margin: 0; font-size: 17px; }

/* =========================================================
   Страница на тема (tema.php)
   ========================================================= */
.page-topic { --sidebar-w: 310px; }
.page-topic .subject { padding-left: 22px; gap: 20px; }
.sidebar.has-footer { display: flex; flex-direction: column; }
.sidebar.has-footer .subjects { flex: 1 0 auto; }
.sidebar-foot { margin: 24px -16px -24px -12px; padding: 18px 26px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.5; color: var(--muted); }

.topic-page { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 28px; padding: 22px 32px 32px; align-items: start; }
.topic-main { min-width: 0; }

.crumbs-path { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; }
.crumbs-path i { font-size: 10px; color: #9aa39e; }
.crumbs-path span { color: var(--ink); }

.btn-back {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 16px;
  padding: 10px 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
  font-size: 15px; font-weight: 600;
}
.btn-back:hover { border-color: var(--green-300); color: var(--green); }
.topic-h1 { margin-top: 22px; }
.page-topic .lead { margin-bottom: 22px; }

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tab {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 15px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
  font-size: 15px; font-weight: 600; color: var(--ink);
}
.tab i { color: var(--muted); }
.tab:hover { border-color: var(--green-300); }
.tab.active { background: var(--green); border-color: var(--green); color: #fff; }
.tab.active i { color: #fff; }

.panel-card { background: var(--surface); border-radius: 14px; padding: 18px 20px 20px; box-shadow: var(--shadow); }
.summary { display: flex; gap: 18px; align-items: flex-start; padding: 18px 20px; border: 1px solid var(--green-300); border-radius: 12px; background: var(--green-50); }
.summary-icon { width: 48px; height: 48px; flex-shrink: 0; border-radius: 10px; display: grid; place-items: center; background: var(--green-100); color: var(--green); font-size: 22px; }
.summary strong { display: block; font-size: 17px; margin-bottom: 4px; }
.summary p { margin: 0; color: #36423c; }
.panel-empty { text-align: center; padding: 44px 16px 36px; color: var(--muted); }
.panel-empty i { display: block; font-size: 38px; color: var(--green-300); margin-bottom: 14px; }
.panel-empty p { margin: 0; font-size: 16px; line-height: 1.6; }
.panel-empty strong { color: var(--ink); font-size: 17px; }

.topic-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.topic-nav a { display: flex; align-items: center; gap: 14px; max-width: 48%; padding: 10px 14px; border-radius: 10px; font-weight: 600; }
.topic-nav a:hover { background: var(--green-50); color: var(--green); }
.topic-nav small { display: block; font-size: 13px; font-weight: 500; color: var(--muted); }
.topic-nav .next { margin-left: auto; text-align: right; }

/* Дясна колона */
.topic-aside { display: flex; flex-direction: column; gap: 22px; position: sticky; top: calc(var(--header-h) + 22px); }
.side-card { background: var(--surface); border-radius: 14px; padding: 20px 18px; box-shadow: var(--shadow); border: 1px solid #eef1ef; }
.side-card h2 { display: flex; align-items: center; gap: 14px; margin: 0; font-size: 18px; font-weight: 700; }
.side-card h2 i { font-size: 20px; width: 22px; text-align: center; }
.side-sub { margin: 6px 0 16px 36px; font-size: 15px; color: var(--muted); }
.side-sub.mb0 { margin-bottom: 0; margin-left: 0; margin-top: 12px; }
.side-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pill { padding: 6px 14px; border-radius: 8px; font-size: 14px; font-weight: 600; background: var(--green-100); color: var(--green); white-space: nowrap; }
.pill.muted { background: #eef0ef; color: var(--muted); }

.share-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.share-btn span { overflow: hidden; text-overflow: ellipsis; }
.share-btn {
  display: flex; align-items: center; gap: 8px; padding: 12px 11px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  font-size: 14px; font-weight: 600; text-align: left; white-space: nowrap; min-width: 0;
}
.share-btn i { font-size: 16px; width: 18px; text-align: center; }
.share-btn:hover { border-color: var(--green-300); color: var(--green); }
.share-btn.small { display: inline-flex; padding: 10px 16px; margin-top: 10px; }
.qr-box { display: flex; align-items: center; gap: 18px; margin-top: 12px; padding: 14px; border-radius: 12px; background: var(--green-50); }
.qr-box[hidden] { display: none; }
.qr-img { width: 132px; height: 132px; flex-shrink: 0; padding: 6px; background: #fff; border-radius: 8px; box-sizing: content-box; }
.qr-img img, .qr-img canvas { display: block; width: 132px; height: 132px; }
.qr-box p { margin: 0; font-size: 15px; color: var(--muted); }
.toast { margin: 12px 0 0; padding: 10px 14px; border-radius: 10px; background: var(--green); color: #fff; font-size: 14px; font-weight: 600; }

.other-topics { list-style: none; margin: 14px 0 0; padding: 0; max-height: 360px; overflow-y: auto; }
.other-topics a { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 8px; font-size: 16px; }
.other-topics a:hover { background: var(--green-50); }
.other-topics a.active { background: var(--green-50); color: var(--green); font-weight: 700; }
.other-topics .n { color: var(--muted); min-width: 22px; }
.other-topics a.active .n { color: var(--green); }
.other-topics .t { flex: 1; min-width: 0; }
.other-topics i { font-size: 12px; color: var(--muted); }

@media (max-width: 1440px) {
  .topic-page { grid-template-columns: minmax(0, 1fr) 360px; gap: 22px; }
  .share-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 1200px) {
  .topic-page { grid-template-columns: 1fr; }
  .topic-aside { position: static; }
  .share-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 991px) {
  .topic-page { padding: 18px 16px 24px; }
  .tab { padding: 9px 14px; font-size: 14px; }
  .sidebar-foot { margin: 20px -16px -24px -12px; }
  .topic-nav { flex-direction: column; }
  .topic-nav a { max-width: none; }
}
@media (max-width: 480px) {
  .share-grid { grid-template-columns: 1fr; }
  .qr-box { flex-direction: column; text-align: center; }
}

/* Съдържание на урок в страницата на тема */
.panel-card .lesson { margin-top: 4px; }
.topic-h1-label { color: var(--green); }
.panel-card .summary + .lesson { margin-top: 26px; }
.panel-title { display: flex; align-items: center; gap: 12px; margin: 4px 0 14px; font-size: 22px; font-weight: 800; }
.panel-title i { color: var(--green); }
.panel-card [data-panel="task"] .lesson { margin-top: 0; }
.lesson-sm { font-size: 15px; line-height: 1.55; margin-top: 12px; }
.lesson-sm p { margin-bottom: 8px; }
.homework-side { max-height: 260px; overflow: hidden; position: relative; }
.homework-side.is-long::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40px; background: linear-gradient(transparent, #fff); }
.link-btn { margin-top: 10px; padding: 0; font-weight: 700; color: var(--green); display: inline-flex; gap: 8px; align-items: center; }
.link-btn:hover { text-decoration: underline; }

/* Взети теми (24 часа след публикуване на урока) */
.topics-group { margin-top: 18px; }
.topics-done-title { display: flex; align-items: center; gap: 10px; margin: 0 4px 10px; font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.topics-done-title i { color: var(--green); font-size: 16px; }
.topics-done-title span { background: var(--green-100); color: var(--green); border-radius: 20px; padding: 1px 9px; font-size: 13px; letter-spacing: 0; }
.topic.taken { background: #fafbfa; }
.topic.taken .topic-body strong { color: #4b5650; font-weight: 600; }
.topic.taken .topic-icon { --icon-bg: #eef1ef; color: var(--green); }
.taken-badge { margin-left: 10px; font-style: normal; font-size: 12px; font-weight: 700; color: var(--green); background: var(--green-100); border-radius: 6px; padding: 1px 8px; vertical-align: 1px; }
.other-sep { margin: 12px 14px 4px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.other-topics a.taken .t { color: var(--muted); }
.other-topics a.taken.active .t { color: var(--green); }
.other-topics .done-ico { color: var(--green); font-size: 13px; }
.qr-box > div { min-width: 0; }
@media (max-width: 1440px) and (min-width: 1201px) {
  .qr-box { flex-direction: column; text-align: center; }
}

/* Материали */
.tab-count { margin-left: 2px; min-width: 22px; padding: 1px 7px; border-radius: 20px; font-size: 12px; font-weight: 700; background: var(--green-100); color: var(--green); }
.tab.active .tab-count { background: rgba(255,255,255,.22); color: #fff; }
.materials { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.materials a { display: flex; align-items: center; gap: 16px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.materials a:hover { border-color: var(--green-300); box-shadow: 0 4px 14px rgba(31, 90, 67, .07); }
.mat-icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 10px; display: grid; place-items: center; background: var(--icon-bg); color: var(--green); font-size: 21px; }
.mat-body { flex: 1; min-width: 0; }
.mat-body strong { display: block; font-size: 16px; overflow-wrap: anywhere; }
.mat-body small { color: var(--muted); font-size: 13.5px; }
.mat-action { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--green); white-space: nowrap; }
.video { margin: 0 0 16px; }
.video-frame { position: relative; padding-top: 56.25%; border-radius: 12px; overflow: hidden; background: #0d1a14; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video figcaption { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-weight: 600; }
.video figcaption i { color: #e62117; }
@media (max-width: 600px) { .mat-action { font-size: 0; gap: 0; } .mat-action i { font-size: 16px; } }

/* =========================================================
   Тестове (test.php) и бутон „Тест“ в темата
   ========================================================= */
.tab-test { background: #1f8a4c; border-color: #1f8a4c; color: #fff; }
.tab-test i { color: #fff; }
.tab-test:hover { background: #18703d; border-color: #18703d; color: #fff; }
.tab-test.closed { background: #eef1ef; border-color: var(--line); color: var(--muted); }
.tab-test.closed i { color: var(--muted); }

.test-content { max-width: 940px; padding-top: 22px; }
.test-info { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 18px; }
.test-info span { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 30px; background: #fff; border: 1px solid var(--line); font-size: 15px; font-weight: 600; }
.test-info i { color: var(--green); }
.form-error { display: flex; gap: 10px; align-items: flex-start; padding: 12px 16px; margin-bottom: 14px; border-radius: 12px; background: #fdeceb; color: #8a1c13; font-weight: 600; }

.student-card { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; align-items: end; padding: 18px 20px; margin-bottom: 18px; background: var(--surface); border-radius: 14px; box-shadow: var(--shadow); border: 1px solid #eef1ef; }
.student-card label { grid-column: 1 / -1; font-weight: 700; font-size: 16px; }
.student-card input[type=text] { font: inherit; font-size: 17px; padding: 12px 14px; border: 1px solid #cfd8d3; border-radius: 10px; outline: none; min-width: 0; }
.student-card input[type=text]:focus { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-50); }
.student-class { display: flex; flex-direction: column; align-items: center; padding: 6px 18px; border-radius: 10px; background: var(--green-50); }
.student-class span { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.student-class strong { font-size: 20px; color: var(--green); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.q-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.q { padding: 18px 20px; background: var(--surface); border-radius: 14px; border: 1px solid #eef1ef; box-shadow: var(--shadow); transition: border-color .15s; }
.q.answered { border-color: var(--green-300); }
.q-text { display: flex; gap: 14px; align-items: flex-start; font-size: 17px; font-weight: 700; line-height: 1.45; }
.q-n { width: 32px; height: 32px; flex-shrink: 0; border-radius: 9px; display: grid; place-items: center; background: var(--green); color: #fff; font-size: 15px; }
.q-hint { margin: 8px 0 0 46px; font-size: 14px; color: var(--muted); }
.q-hint i { color: var(--green); margin-right: 6px; }
.opts { display: flex; flex-direction: column; gap: 8px; margin: 12px 0 0 46px; }
.opt { position: relative; display: flex; align-items: center; gap: 12px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; transition: .12s; }
.opt:hover { border-color: var(--green-300); background: #fbfdfc; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt-l { width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center; border: 2px solid #cfd8d3; font-weight: 700; color: var(--muted); font-size: 14px; }
.opt input[type=checkbox] + .opt-l { border-radius: 7px; }
.opt-t { flex: 1; font-size: 16px; }
.opt:has(input:checked) { border-color: var(--green); background: var(--green-50); }
.opt input:checked + .opt-l { background: var(--green); border-color: var(--green); color: #fff; }
.opt input:focus-visible + .opt-l { outline: 2px solid var(--green); outline-offset: 2px; }

.submit-bar { position: sticky; bottom: 0; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin: 18px -4px 0; padding: 14px 18px; background: rgba(255,255,255,.96); border: 1px solid var(--line); border-radius: 14px 14px 0 0; box-shadow: 0 -6px 20px rgba(17,26,21,.06); }
.progress-txt { font-weight: 600; color: var(--muted); }
.progress-txt span { color: var(--green); font-size: 18px; }
.submit-warn { flex-basis: 100%; order: 3; margin: 0; padding: 8px 12px; border-radius: 8px; background: #fff6e0; color: #7a5300; font-weight: 600; font-size: 14px; }
.btn-submit { margin-left: auto; display: inline-flex; align-items: center; gap: 10px; padding: 13px 24px; border-radius: 12px; background: #1f8a4c; color: #fff; font-size: 17px; font-weight: 700; }
.btn-submit:hover { background: #18703d; }
.btn-submit:disabled { opacity: .7; cursor: wait; }

.result-card { display: flex; gap: 24px; align-items: center; padding: 24px; border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); border: 2px solid var(--green-300); }
.result-grade { width: 130px; height: 130px; flex-shrink: 0; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--green); color: #fff; }
.result-grade span { font-size: 38px; font-weight: 800; line-height: 1; }
.result-grade small { font-size: 14px; font-weight: 600; margin-top: 4px; }
.tone-good .result-grade { background: #2b6cb0; } .tone-good { border-color: #b7cfe9; }
.tone-ok .result-grade { background: #2c8a9a; } .tone-ok { border-color: #b2dbe1; }
.tone-low .result-grade { background: #c98a00; } .tone-low { border-color: #f0d78c; }
.tone-fail .result-grade { background: #b42318; } .tone-fail { border-color: #f0b4ae; }
.result-info h2 { margin: 0 0 8px; font-size: 24px; }
.result-info p { margin: 0 0 6px; font-size: 17px; }
.result-info .muted { color: var(--muted); font-size: 15px; }
.mt-big { margin-top: 28px; }
.review .q.is-right { border-color: #9fd3b2; }
.review .q.is-wrong { border-color: #f0b4ae; }
.q-flag { margin-left: auto; font-style: normal; font-size: 14px; white-space: nowrap; }
.is-right .q-flag { color: #1f8a4c; } .is-wrong .q-flag { color: #b42318; }
.q-flag i { margin-right: 6px; }
.opt-review { display: flex; gap: 10px; align-items: flex-start; margin: 6px 0 0 46px; padding: 8px 12px; border-radius: 8px; }
.opt-review i { margin-top: 4px; color: var(--muted); }
.opt-review.correct { background: #eaf7ef; font-weight: 600; }
.opt-review.wrong { background: #fdeceb; text-decoration: line-through; }
.page-test .btn-back { margin-top: 18px; }

@media (max-width: 600px) {
  .opts, .q-hint, .opt-review { margin-left: 0; }
  .student-card { grid-template-columns: 1fr; }
  .student-class { flex-direction: row; gap: 10px; justify-content: center; }
  .result-card { flex-direction: column; text-align: center; }
  .btn-submit { width: 100%; justify-content: center; }
}