/* Официальные страницы flashlycards.app: /privacy, /terms, /support, /delete-account.
   Токены — из брендбука (plan/done/brandbook.md), те же, что на лендинге public/site/index.html. */
:root {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface-muted: #F1F5F9;
  --border: #DBDBE6;
  --text: #111827;
  --text-2: #6B7280;
  --text-3: #6B7280;
  --primary: #5558E8;
  --primary-fill: #5558E8;
  --primary-pressed: #4F46E5;
  --on-primary: #FFFFFF;
  --tint: rgba(100,103,242,0.10);
  --warning-text: #B45309;
  --warning-tint: rgba(245,158,11,0.10);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", Roboto, "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101122; --surface: #1A1B30; --surface-muted: #232540; --border: rgba(255,255,255,0.10);
    --text: #F9FAFB; --text-2: #9CA3AF; --text-3: #8A8F99;
    --primary: #818CF8; --primary-fill: #5558E8; --primary-pressed: #4F46E5; --on-primary: #FFFFFF;
    --tint: rgba(129,140,248,0.10); --warning-text: #FBBF24; --warning-tint: rgba(251,191,36,0.10);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 26px; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 8px; }

.wrap { max-width: 1120px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

/* Шапка */
header.top { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--border); }
.top .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 20px; line-height: 28px; }
.logo:hover { text-decoration: none; }
.logo img { width: 32px; height: 32px; border-radius: 8px; }
.top nav { display: flex; gap: 24px; margin-left: auto; align-items: center; font-size: 14px; line-height: 20px; font-weight: 600; }
.top nav a:not(.btn) { color: var(--text-2); }
.top nav a:not(.btn):hover { color: var(--text); text-decoration: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 12px; font: 600 16px/24px var(--font); background: var(--primary-fill); color: var(--on-primary); }
.btn:hover { background: var(--primary-pressed); text-decoration: none; }

/* Документ */
.doc { max-width: 720px; margin: 0 auto; padding-block: 48px 72px; }
.overline { font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase; color: var(--primary); }
.doc h1 { margin: 8px 0 8px; font-size: 32px; line-height: 40px; font-weight: 700; letter-spacing: -0.4px; text-wrap: balance; }
.doc h2 { margin: 40px 0 12px; font-size: 20px; line-height: 28px; font-weight: 600; text-wrap: balance; }
.doc p { margin: 0 0 16px; }
.doc ul, .doc ol { margin: 0 0 16px; padding-left: 22px; }
.doc li { margin: 6px 0; }
.meta { color: var(--text-2); font-size: 14px; line-height: 20px; margin: 0 0 32px; }
.lead { font-size: 18px; line-height: 28px; color: var(--text-2); }
.table-wrap { overflow-x: auto; margin: 0 0 16px; border: 1px solid var(--border); border-radius: 16px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 20px; min-width: 520px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.doc tr:last-child td { border-bottom: 0; }
.doc th { color: var(--text-2); font-weight: 600; background: var(--surface-muted); }

/* Блоки на страницах поддержки и удаления */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; margin: 0 0 16px; }
.card h2 { margin-top: 0; }
.contact { display: grid; gap: 4px; }
.contact b { font-size: 20px; line-height: 28px; font-weight: 600; }
.steps { counter-reset: s; list-style: none; padding: 0 !important; display: grid; gap: 12px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 32px 1fr; gap: 12px; margin: 0 !important; align-items: start; }
.steps li::before { content: counter(s); width: 32px; height: 32px; border-radius: 999px; background: var(--tint); color: var(--primary); font-weight: 700; font-size: 14px; display: grid; place-items: center; }
.note { background: var(--warning-tint); color: var(--text); border-radius: 12px; padding: 12px 16px; margin: 0 0 16px; }
.note b { color: var(--warning-text); }
details { border-bottom: 1px solid var(--border); }
details:first-of-type { border-top: 1px solid var(--border); }
summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--text-3); font-weight: 400; }
details[open] summary::after { content: "−"; color: var(--primary); }
details p { color: var(--text-2); }

/* Подвал */
footer { border-top: 1px solid var(--border); padding-block: 40px; font-size: 14px; line-height: 20px; color: var(--text-2); }
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
footer h4, footer .fh { margin: 0 0 12px; font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase; color: var(--text-3); }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
footer a { color: var(--text-2); }
footer a:hover { color: var(--text); }
footer p { margin: 12px 0 0; max-width: 30em; }
.legal { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: var(--text-3); font-size: 12px; line-height: 16px; }

/* Статьи (site/pages → scripts/build-site.mjs) */
.doc p a, .doc li a, .doc td a { text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
.doc h3 { margin: 28px 0 8px; font-size: 18px; line-height: 26px; font-weight: 600; }
.doc .lead { margin-bottom: 24px; }
.doc blockquote { margin: 0 0 16px; padding: 12px 16px; border-left: 3px solid var(--primary); background: var(--tint); border-radius: 0 12px 12px 0; }
.doc blockquote p:last-child { margin: 0; }
.doc code { font-size: 15px; background: var(--surface-muted); padding: 1px 6px; border-radius: 6px; }
.related { max-width: 720px; margin: 0 auto 56px; }
.related h2 { margin: 0 0 16px; font-size: 20px; line-height: 28px; }
.related ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.related a { display: grid; gap: 4px; height: 100%; padding: 16px; border: 1px solid var(--border); border-radius: 16px; color: var(--text); }
.related a:hover { border-color: var(--primary); text-decoration: none; }
.related span { color: var(--text-2); font-size: 14px; line-height: 20px; }

/* Блок скачивания: кнопки по платформе (класс p-* на <html> ставит скрипт в <head>) */
.cta { max-width: 720px; margin: 0 auto 72px; padding: 32px; border-radius: 24px; background: var(--tint); display: grid; gap: 16px; justify-items: start; }
.cta h2 { margin: 0; font-size: 24px; line-height: 32px; }
.stores { display: flex; flex-wrap: wrap; gap: 12px; }
.store { display: inline-flex; align-items: center; gap: 12px; height: 56px; padding: 0 20px 0 16px; border-radius: 12px; background: var(--text); color: var(--bg); }
.store:hover { text-decoration: none; opacity: 0.9; }
.store svg { width: 24px; height: 24px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.store svg.fill { width: 26px; height: 26px; fill: currentColor; stroke: none; }
.store small { display: block; font-size: 12px; line-height: 14px; }
.store b { display: block; font-size: 18px; line-height: 22px; font-weight: 600; }
.store-sec { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1.5px var(--border); }
.dl-qr { display: none; align-items: center; gap: 16px; font-size: 14px; line-height: 20px; color: var(--text-2); max-width: 22em; }
.dl-qr img { flex: none; border-radius: 12px; background: #FFFFFF; padding: 6px; }
.dl-note { margin: 0; }
.p-desktop .dl-qr { display: flex; }
.p-ios .dl-android, .p-ios .dl-web, .p-desktop .dl-android, .p-android .dl-ios, .p-android .dl-web { display: none; }

@media (max-width: 900px) {
  footer .wrap { grid-template-columns: 1fr 1fr; }
  footer .wrap > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .doc { padding-block: 32px 56px; }
  .related ul { grid-template-columns: 1fr; }
  .cta { padding: 24px 16px; }
  .doc h1 { font-size: 24px; line-height: 32px; }
  .top nav a:not(.btn) { display: none; }
  .btn { height: 40px; padding: 0 14px; font-size: 14px; }
  footer .wrap { grid-template-columns: 1fr 1fr; }
  footer .wrap > div:first-child { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }