/* STEM център – стил на сайта */
:root {
  --bg: #fbfaf5;
  --surface: #ffffff;
  --surface-2: #f2f1ea;
  --text: #1f2a1f;
  --muted: #55604f;
  --line: #e3e2d6;
  --blue: #1f7a3d;
  --blue-soft: #e5f3e8;
  --teal: #0b7a7c;
  --teal-soft: #e2f3f2;
  --purple: #6343b0;
  --purple-soft: #efeafa;
  --amber: #8a5a00;
  --amber-soft: #fff4dc;
  --green: #1d7a46;
  --green-soft: #e4f4ea;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 1px 2px rgba(20, 30, 50, .05), 0 4px 14px rgba(20, 30, 50, .05);
  --focus: 0 0 0 3px #fff, 0 0 0 6px #1f7a3d;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 var(--font);
  display: flex; flex-direction: column; min-height: 100vh;
}
main { flex: 1; outline: none; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 6px; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip-link { position: absolute; left: 12px; top: -60px; background: var(--blue); color: #fff; padding: 10px 14px; border-radius: 8px; z-index: 100; }
.skip-link:focus { top: 12px; }

/* ------- header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; margin-right: auto; }
.brand-mark svg { display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 1.08rem; }
.brand-text small { font-size: .78rem; color: var(--muted); }
.site-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.site-nav a {
  color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: 999px; font-weight: 500; font-size: .96rem;
}
.site-nav a:hover { background: var(--surface-2); }
.site-nav a[aria-current="page"] { background: var(--blue-soft); color: var(--blue); }
.menu-toggle {
  display: none; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface);
  border-radius: 999px; padding: 8px 14px; font: inherit; font-size: .95rem; color: var(--text); cursor: pointer;
}
.menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; position: relative; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -5px; } .menu-icon::after { top: 5px; }

@media (max-width: 920px) {
  .menu-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px 16px 14px; flex-direction: column; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .site-nav a { border-radius: 10px; padding: 12px 14px; }
}
@media (max-width: 420px) { .brand-text small { display: none; } }

/* ------- footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); margin-top: 56px; padding: 26px 0; font-size: .92rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer p { margin: 4px 0 0; }

/* ------- page layout */
.page { padding-top: 28px; padding-bottom: 8px; }
.page-head { margin-bottom: 26px; }
.page-head p.lead { font-size: 1.1rem; color: var(--muted); max-width: 760px; }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.crumbs a { color: var(--muted); }
.crumbs .sep { opacity: .6; }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; text-decoration: none; margin-bottom: 10px; }
.back-link svg { width: 18px; height: 18px; }
.section { margin-top: 44px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.section-head h2 { margin: 0; }

/* ------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px;
  padding: 10px 18px; border-radius: 8px; font: inherit; font-weight: 700; font-size: .98rem;
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent; transition: background .15s, border-color .15s;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #17602f; }
.btn-secondary { background: var(--surface); color: var(--blue); border-color: #a9d3b4; }
.btn-secondary:hover { background: var(--blue-soft); }
.btn-ghost { background: transparent; color: var(--blue); padding-left: 10px; padding-right: 10px; }
.btn-ghost:hover { background: var(--blue-soft); }
.btn-small { min-height: 38px; padding: 7px 14px; font-size: .92rem; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ------- hero */
.hero { background: var(--surface); border-bottom: 1px solid var(--line); }
.hero-inner { padding: 44px 20px 46px; display: grid; grid-template-columns: 1fr; gap: 6px; text-align: center; justify-items: center; }
.hero .btn-row { justify-content: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 12px; }
.hero p { font-size: 1.2rem; color: var(--muted); margin-bottom: 26px; }
.tile.blue { background: var(--blue-soft); color: var(--blue); }
.tile.teal { background: var(--teal-soft); color: var(--teal); }
.tile.purple { background: var(--purple-soft); color: var(--purple); }
@media (max-width: 760px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 34px; padding-bottom: 34px; gap: 26px; }
}

/* ------- cards */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); display: flex; flex-direction: column; overflow: hidden;
}
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.15rem; }
.card-body p { margin: 0; color: var(--muted); font-size: .97rem; }
.card-foot { margin-top: auto; padding-top: 6px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.card .accent-bar { height: 5px; }
.accent-blue { background: var(--blue); } .accent-teal { background: var(--teal); } .accent-purple { background: var(--purple); }
.meta-line { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .9rem; color: var(--muted); }
.meta-line span { display: inline-flex; align-items: center; gap: 5px; }
.meta-line svg { width: 16px; height: 16px; flex: none; }

/* ------- photo placeholder */
.photo { background: #f1f4f8; aspect-ratio: 16 / 9; width: 100%; object-fit: contain; }
.photo-ph {
  aspect-ratio: 16 / 9; width: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  color: #6b7486; font-size: .92rem; font-weight: 500;
  background: repeating-linear-gradient(135deg, #f1f0e8 0 14px, #ecebe2 14px 28px);
}
.photo-ph svg { width: 34px; height: 34px; opacity: .8; }
.photo-ph.large { aspect-ratio: 21 / 9; border-radius: var(--radius); border: 1px solid var(--line); }
.photo.large { aspect-ratio: 21 / 9; border-radius: var(--radius); }
.photo-ph.square, .photo.square { aspect-ratio: 4 / 3; border-radius: var(--radius); border: 1px solid var(--line); }
@media (max-width: 640px) { .photo-ph.large, .photo.large { aspect-ratio: 16 / 9; } }

/* ------- tags & badges */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-flex; align-items: center; gap: 5px; font-size: .82rem; font-weight: 600; padding: 3px 10px;
  border-radius: 999px; background: var(--surface-2); color: var(--muted); text-decoration: none; line-height: 1.5;
}
a.tag:hover { background: var(--blue-soft); color: var(--blue); }
.tag.blue { background: var(--blue-soft); color: var(--blue); }
.tag.teal { background: var(--teal-soft); color: var(--teal); }
.tag.purple { background: var(--purple-soft); color: var(--purple); }
.tag.lesson { background: var(--purple-soft); color: var(--purple); }
.tag svg { width: 14px; height: 14px; }
.badge-check {
  display: inline-flex; align-items: center; gap: 4px; font-size: .78rem; font-weight: 600; padding: 1px 9px; border-radius: 999px;
  background: var(--amber-soft); color: var(--amber); border: 1px solid #f1d9a6; white-space: nowrap; vertical-align: 1px;
}
.badge-check::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ------- notices */
.notice {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--blue-soft); color: #1a5130; font-size: .97rem;
}
.notice svg { width: 22px; height: 22px; flex: none; margin-top: 1px; }
.notice p:last-child { margin-bottom: 0; }
.notice.amber { background: var(--amber-soft); color: #6a4500; }
.notice.teal { background: var(--teal-soft); color: #075b5c; }
.notice.safety { background: #fff1ee; color: #7a2617; border: 1px solid #f6d3cb; }
.empty-state { text-align: center; padding: 40px 20px; border: 1.5px dashed var(--line); border-radius: var(--radius); background: var(--surface); }
.empty-state svg { width: 40px; height: 40px; color: var(--muted); margin: 0 auto 10px; }
.empty-state h3 { margin-bottom: 6px; }

/* ------- home extras */
.first-visit { display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--teal-soft); border-radius: var(--radius); padding: 22px 24px; }
.first-visit h2 { margin: 0 0 4px; font-size: 1.25rem; }
.first-visit p { margin: 0; color: #24575a; }
.quick-links { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.quick { display: flex; gap: 12px; align-items: center; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--text); }
.quick:hover { border-color: #a9d3b4; }
.quick .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; flex: none; }
.quick .ico svg { width: 22px; height: 22px; }
.quick strong { display: block; } .quick small { color: var(--muted); }

/* ------- device page */
.device-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 32px; align-items: start; }
@media (max-width: 820px) { .device-top { grid-template-columns: 1fr; gap: 20px; } }
.device-top h1 { margin-bottom: 6px; }
.facts { margin: 18px 0 0; display: grid; grid-template-columns: max-content 1fr; gap: 10px 18px; font-size: .97rem; }
.facts dt { color: var(--muted); font-weight: 500; }
.facts dd { margin: 0; }
@media (max-width: 520px) { .facts { grid-template-columns: 1fr; gap: 2px; } .facts dd { margin-bottom: 10px; } }
.jump { display: flex; gap: 8px; flex-wrap: wrap; margin: 28px 0 0; padding: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.jump button { font: inherit; font-size: .9rem; font-weight: 500; border: 0; background: var(--surface-2); color: var(--text); padding: 7px 13px; border-radius: 999px; cursor: pointer; }
.jump button:hover { background: var(--blue-soft); color: var(--blue); }
.block { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; margin-top: 22px; scroll-margin-top: 90px; }
.block > h2 { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; margin-bottom: 14px; }
.block > h2 .ico { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); flex: none; }
.block > h2 .ico svg { width: 20px; height: 20px; }
.block.safety { border-color: #f1cfc6; }
.block.safety > h2 .ico { background: #fde7e2; color: #b03a22; }
@media (max-width: 560px) { .block { padding: 18px 16px; } }

/* ------- rich text */
.prose { max-width: 820px; }
.prose h2 { font-size: 1.25rem; margin-top: 1.4em; }
.prose h3 { font-size: 1.1rem; margin-top: 1.5em; padding-top: .4em; }
.prose h4 { font-size: 1rem; margin-top: 1.2em; }
.prose > :first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.35em; margin: 0 0 1em; }
.prose li { margin: .3em 0; }
.prose ol.steps { list-style: none; padding-left: 0; counter-reset: step; }
.prose ol.steps > li { counter-increment: step; position: relative; padding-left: 44px; margin: .65em 0; min-height: 30px; }
.prose ol.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue-soft); color: var(--blue); font-weight: 700; font-size: .9rem; display: grid; place-items: center;
}
.prose ol.steps ul { margin-top: .3em; }
.prose ul.checklist { list-style: none; padding-left: 0; }
.prose ul.checklist li { position: relative; padding-left: 32px; }
.prose ul.checklist li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border: 2px solid #9aa7bd; border-radius: 5px; background: #fff; }
.prose code { background: var(--surface-2); padding: 1px 6px; border-radius: 5px; font-size: .9em; }
.prose .note { background: var(--blue-soft); border-radius: var(--radius-sm); padding: 12px 16px; margin: 0 0 1em; color: #1a5130; }
.prose .note p:last-child { margin: 0; }
.block.safety .prose ul { list-style: none; padding-left: 0; }
.block.safety .prose li { position: relative; padding-left: 26px; }
.block.safety .prose li::before { content: ""; position: absolute; left: 4px; top: .62em; width: 9px; height: 9px; border-radius: 2px; transform: rotate(45deg); background: #c8462b; }
.table-wrap { overflow-x: auto; margin: 0 0 1.2em; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table { border-collapse: collapse; width: 100%; font-size: .94rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { background: var(--surface-2); font-weight: 600; }
tr:last-child td { border-bottom: 0; }

/* ------- ideas bank */
.bank { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 28px; align-items: start; }
@media (max-width: 920px) { .bank { grid-template-columns: 1fr; } }
.filters { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; position: sticky; top: 86px; }
@media (max-width: 920px) { .filters { position: static; } }
.filters h2 { font-size: 1.05rem; margin: 0; }
.filters-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.filters-toggle { display: none; }
@media (max-width: 920px) {
  .filters-toggle { display: inline-flex; }
  .filters.collapsed .filters-fields { display: none; }
}
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: .92rem; }
select, input[type="search"] {
  font: inherit; font-size: 1rem; color: var(--text); background: var(--surface); width: 100%;
  border: 1.5px solid #c5cedc; border-radius: 10px; padding: 10px 12px; min-height: 44px;
}
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234f5b6f' stroke-width='2' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 34px; }
select:focus-visible, input:focus-visible { border-color: var(--blue); }
.search-box { position: relative; margin-bottom: 14px; }
.search-box svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--muted); pointer-events: none; }
.search-box input { padding-left: 42px; font-size: 1.05rem; min-height: 50px; }
.results-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.results-count { font-weight: 600; }
.active-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.chip-remove { font: inherit; font-size: .85rem; border: 1px solid #b7dcc0; background: var(--blue-soft); color: var(--blue); border-radius: 999px; padding: 3px 10px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.chip-remove svg { width: 13px; height: 13px; }
.idea-card .card-body { gap: 9px; }
.idea-card .devices { font-size: .9rem; color: var(--muted); }
.idea-card .devices strong { color: var(--text); font-weight: 600; }

/* ------- filter chips (equipment page) */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chips button { font: inherit; font-size: .93rem; font-weight: 500; padding: 8px 14px; min-height: 40px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; }
.chips button[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ------- idea page */
.idea-meta { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-top: 18px; }
.idea-meta div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.idea-meta dt { font-size: .82rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.idea-meta dd { margin: 3px 0 0; font-weight: 500; }

/* ------- schedule */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.tabs button { font: inherit; font-weight: 600; font-size: .96rem; padding: 10px 14px; border: 0; background: none; color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); }
.sched-tools { display: flex; gap: 16px; flex-wrap: wrap; align-items: end; margin-bottom: 16px; }
.sched-tools .field { margin: 0; min-width: 220px; }
.check { display: inline-flex; gap: 8px; align-items: center; font-weight: 500; min-height: 44px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--blue); }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: .9rem; color: var(--muted); margin-bottom: 12px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }
.sched { width: 100%; table-layout: fixed; background: var(--surface); }
.sched th, .sched td { border: 1px solid var(--line); padding: 8px; text-align: left; }
.sched thead th { text-align: center; }
.sched th[scope="row"] { width: 92px; background: var(--surface-2); font-size: .9rem; }
.slot { border-radius: 8px; padding: 6px 8px; min-height: 52px; font-size: .9rem; line-height: 1.35; }
.slot.busy { background: var(--blue-soft); color: #1a5130; }
.slot.busy strong { display: block; }
.slot.free { background: var(--green-soft); color: var(--green); font-weight: 600; display: flex; align-items: center; }
.slot.dim { opacity: .28; }
.slot.hl { outline: 2.5px solid var(--purple); }
.free-rooms { display: flex; flex-direction: column; gap: 4px; }
.free-rooms .tag { justify-content: flex-start; }
.free-none { color: var(--muted); font-size: .85rem; }
.sched-days { display: none; }
@media (max-width: 760px) {
  .sched-table { display: none; }
  .sched-days { display: grid; gap: 14px; }
}
.day-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.day-card h3 { margin-bottom: 10px; }
.day-row { display: grid; grid-template-columns: 78px 1fr; gap: 10px; align-items: stretch; margin-bottom: 6px; }
.day-row .p { font-size: .88rem; font-weight: 600; color: var(--muted); padding-top: 6px; }
.slot.empty-none { display: none; }

@media print {
  .site-header, .site-footer, .filters, .jump, .btn { display: none !important; }
  body { background: #fff; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
h1[tabindex="-1"]:focus { box-shadow: none; }
.legend i { border: 1px solid rgba(0,0,0,.15); }

/* ------- цветни обемни букви STEM */
.stem-word {
  font: 900 clamp(4.2rem, 15vw, 8.5rem)/1 "Arial Rounded MT Bold", "Arial Black", "Segoe UI Black", system-ui, sans-serif;
  letter-spacing: .04em; display: inline-flex; gap: .06em; margin: 0 0 18px; user-select: none;
}
.stem-word span { display: inline-block; color: var(--c); -webkit-text-stroke: 2px rgba(0,0,0,.18);
  text-shadow: 1px 1px 0 var(--d), 2px 2px 0 var(--d), 3px 3px 0 var(--d), 4px 4px 0 var(--d), 5px 5px 0 var(--d), 6px 6px 0 var(--d), 7px 7px 0 var(--d), 10px 12px 14px rgba(0,0,0,.25);
  transform: rotate(var(--r)); }
.stem-word .s { --c: #e8412c; --d: #9c2414; --r: -6deg; }
.stem-word .t { --c: #f7a823; --d: #b06b00; --r: 4deg; }
.stem-word .e { --c: #3fae49; --d: #1f6e2a; --r: -3deg; }
.stem-word .m { --c: #2c8fd8; --d: #165a93; --r: 5deg; }
.stem-word.small { font-size: 1.55rem; margin: 0; gap: .02em; }
.stem-word.small span { -webkit-text-stroke: 1px rgba(0,0,0,.18); text-shadow: 1px 1px 0 var(--d), 2px 2px 0 var(--d), 3px 3px 0 var(--d); }
.hero h1 { font-size: clamp(1.5rem, 3.4vw, 2rem); }
.site-footer .author { font-weight: 600; color: var(--text); }
.funding { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.funding-logos { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.funding-logos img { height: 52px; width: auto; }
.funding p { flex: 1 1 380px; margin: 0; font-size: .86rem; color: var(--muted); }

/* ------- помощник за уроци (балонче) */
.pom { position: fixed; right: 18px; bottom: 18px; z-index: 50; font-size: .95rem; }
.pom-bubble { display: inline-flex; align-items: center; gap: 8px; border: 0; cursor: pointer; font: inherit; font-weight: 700;
  background: var(--blue); color: #fff; padding: 12px 18px; border-radius: 999px; box-shadow: 0 6px 20px rgba(0,0,0,.22); }
.pom-bubble svg { width: 22px; height: 22px; }
.pom-bubble:hover { background: #17602f; }
.pom.open .pom-bubble { display: none; }
.pom-panel { width: min(400px, calc(100vw - 24px)); height: min(620px, calc(100vh - 36px)); background: var(--surface);
  border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 12px 40px rgba(0,0,0,.25); display: flex; flex-direction: column; overflow: hidden; }
.pom-panel[hidden] { display: none; }
.pom-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 14px; background: var(--blue); color: #fff; }
.pom-head small { display: block; opacity: .85; font-size: .8rem; }
.pom-close { border: 0; background: transparent; color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer; padding: 2px 8px; border-radius: 6px; }
.pom-prefs { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.pom-prefs select { font: inherit; font-size: .8rem; padding: 6px 4px; border: 1px solid var(--line); border-radius: 7px; background: #fff; min-width: 0; }
.pom-log { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.pom-msg { max-width: 92%; padding: 9px 12px; border-radius: 12px; line-height: 1.5; }
.pom-msg p { margin: 0 0 .5em; } .pom-msg p:last-child { margin-bottom: 0; }
.pom-msg h4 { margin: .6em 0 .3em; font-size: 1rem; }
.pom-msg ul { margin: 0 0 .5em; padding-left: 1.2em; }
.pom-msg.bot { background: var(--surface-2); align-self: flex-start; }
.pom-msg.me { background: var(--blue); color: #fff; align-self: flex-end; }
.pom-msg.sys { background: var(--amber-soft); color: var(--amber); align-self: stretch; max-width: none; }
.pom-wait { color: var(--muted); font-style: italic; }
.pom-sugg { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.pom-sugg button { font: inherit; font-size: .85rem; text-align: left; border: 1px solid var(--line); background: #fff; color: var(--blue); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.pom-sugg button:hover { background: var(--blue-soft); }
.pom-form { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--line); align-items: flex-end; }
.pom-form textarea { flex: 1; font: inherit; font-size: .92rem; resize: none; border: 1px solid var(--line); border-radius: 9px; padding: 8px 10px; }
.pom-note { margin: 0; padding: 0 12px 8px; font-size: .74rem; color: var(--muted); }
@media (max-width: 520px) { .pom { right: 10px; bottom: 10px; } .pom-bubble span { display: none; } .pom-bubble { padding: 14px; } }
@media print { .pom { display: none !important; } }