/* Сайт cryptokg.org в стиле Mini App 2.0. Цвета — те же токены, что в web/miniapp/src/styles/v2.css (светлая и тёмная
   тема): их совпадение проверяет tests/test_site.py — меняете v2.css, меняйте и здесь. */

@font-face { font-family: "Onest Variable"; font-style: normal; font-display: swap; font-weight: 100 900;
  src: url(onest-cyrillic-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Onest Variable"; font-style: normal; font-display: swap; font-weight: 100 900;
  src: url(onest-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Unbounded Variable"; font-style: normal; font-display: swap; font-weight: 200 900;
  src: url(unbounded-cyrillic-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Unbounded Variable"; font-style: normal; font-display: swap; font-weight: 200 900;
  src: url(unbounded-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --v2-brand-a: #62B6F4;
  --v2-brand-b: #4A9DF0;
  --v2-brand-c: #2F7EEB;
  --accent: #3b82f6;
  --up: #16a34a;
  --down: #dc2626;
  --font: "Onest Variable", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
  --display: "Unbounded Variable", "Onest Variable", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  /* светлая тема — :root.v2.light */
  --bg: #EDF1F7;
  --text: #0F1B2D;
  --hint: rgba(15, 27, 45, 0.55);
  --line: rgba(15, 27, 45, 0.08);
  --glass: #FFFFFF;
  --glass-strong: #F2F5FA;
  --glass-shadow: 0 1px 2px rgba(16, 33, 61, 0.05), 0 8px 24px rgba(16, 33, 61, 0.07);
  --bar: rgba(255, 255, 255, 0.97);
  --v2-soft: color-mix(in srgb, var(--accent) 12%, transparent);
  --v2-track: #E6EBF2;
  --v2-thumb: #FFFFFF;
  --tabbar-shadow: 0 12px 32px rgba(16, 33, 61, 0.16);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    /* тёмная тема — :root.v2 */
    --bg: #0A111C;
    --text: #E8EFF9;
    --hint: rgba(220, 230, 245, 0.56);
    --line: rgba(255, 255, 255, 0.07);
    --glass: #121B2A;
    --glass-strong: #1C2840;
    --glass-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px rgba(0, 0, 0, 0.22);
    --bar: rgba(18, 27, 42, 0.97);
    --v2-soft: color-mix(in srgb, var(--accent) 18%, transparent);
    --v2-track: #0D1522;
    --v2-thumb: #22304A;
    --tabbar-shadow: 0 12px 32px rgba(0, 0, 0, 0.32);
    --up: #22c55e;
    --down: #f87171;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; margin: 0; }
h1 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; font-size: clamp(24px, 4.2vw, 34px); }
h2 { font-size: 21px; font-weight: 650; }
h3 { font-size: 17px; font-weight: 650; }
p { margin: 0; }
.num { font-family: var(--display); font-weight: 600; letter-spacing: -0.025em; font-variant-numeric: tabular-nums; }
table { font-variant-numeric: tabular-nums; }
.hint { color: var(--hint); }
.small { font-size: 14px; }
.up { color: var(--up); }
.down { color: var(--down); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ------------------------------------------------ каркас */
.wrap { max-width: 1100px; margin: 0 auto; padding-inline: 16px; }
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--bar); border-bottom: 1px solid var(--line); backdrop-filter: saturate(1.4) blur(8px); }
.top .wrap { display: flex; align-items: center; gap: 14px; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--display); font-weight: 600; font-size: 18px; flex: none; }
.logo:hover { text-decoration: none; }
.logo img { width: 34px; height: 34px; border-radius: 50%; }
.nav { display: flex; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.nav a { padding: 8px 12px; border-radius: 999px; color: var(--text); font-size: 15px; white-space: nowrap; }
.nav a:hover { background: var(--v2-soft); text-decoration: none; }
.nav a.on { background: var(--v2-soft); color: var(--accent); font-weight: 600; }
.menu { display: none; position: relative; margin-left: auto; }
.menu summary { list-style: none; cursor: pointer; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--glass); color: var(--text); box-shadow: var(--glass-shadow); }
.menu summary::-webkit-details-marker { display: none; }
.menu summary svg { width: 20px; height: 20px; }
.menu nav { position: absolute; right: 0; top: 50px; width: min(280px, calc(100vw - 32px)); background: var(--glass); border-radius: 20px; padding: 6px; display: grid; box-shadow: var(--tabbar-shadow); border: 1px solid var(--line); }
.menu nav a { padding: 11px 14px; color: var(--text); border-radius: 14px; }
.menu nav a:hover { background: var(--v2-soft); text-decoration: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 16px; border: 0; background: var(--accent); color: #fff; font: 600 15px var(--font); cursor: pointer; text-align: center; }
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.btn.ghost { background: var(--glass); color: var(--text); border: 1px solid var(--line); }
.btn.white { background: #fff; color: #1d4ed8; }
.btn.onhero { background: rgba(255, 255, 255, 0.18); color: #fff; }
.btn.block { width: 100%; }
.top .btn { min-height: 38px; border-radius: 999px; padding: 0 16px; flex: none; }
main { padding-block: 18px 110px; }
.page { display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); }
.page > *, .side > *, .cols > * { min-width: 0; }
.cols { display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); }
.side { display: grid; gap: 14px; align-content: start; }
@media (min-width: 960px) {
  .cols { grid-template-columns: minmax(0, 1fr) 330px; align-items: start; }
  main { padding-bottom: 40px; }
}
@media (max-width: 959px) { .nav { display: none; } .menu { display: block; } .top .wrap { gap: 10px; } }
.prose-col { max-width: 760px; }

/* ------------------------------------------------ карточки и списки (как в 2.0) */
.card { background: var(--glass); border-radius: 20px; box-shadow: var(--glass-shadow); padding: 18px; min-width: 0; }
.card > h2 { margin-bottom: 12px; }
.card > h3 { margin-bottom: 6px; }
.card > h3 + p { margin-bottom: 12px; }
.list { background: var(--glass); border-radius: 20px; box-shadow: var(--glass-shadow); overflow: hidden; }
.row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; color: var(--text); min-width: 0; }
.row + .row { border-top: 1px solid var(--line); }
a.row:hover { background: var(--glass-strong); text-decoration: none; }
.row .grow { flex: 1; min-width: 0; }
.row .t1 { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .t2 { color: var(--hint); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .r { text-align: right; flex: none; }
.ico { width: 40px; height: 40px; border-radius: 50%; flex: none; display: grid; place-items: center; background: var(--v2-soft); color: var(--accent); font-weight: 700; font-size: 13px; overflow: hidden; }
.ico img { width: 100%; height: 100%; object-fit: cover; }
.ico svg { width: 22px; height: 22px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 0 14px; border-radius: 999px; background: var(--glass); border: 1px solid var(--line); color: var(--text); font-size: 14px; }
.chip:hover { text-decoration: none; border-color: var(--accent); }
.chip.on { background: var(--accent); color: #fff; border-color: transparent; }
.chip .n { color: var(--hint); font-size: 12px; }
.chip.on .n { color: rgba(255, 255, 255, .8); }
.seg { display: inline-flex; background: var(--v2-track); border-radius: 999px; padding: 3px; gap: 2px; }
.seg label { padding: 6px 12px; border-radius: 999px; font-size: 14px; color: var(--text); cursor: pointer; }
.crumbs { font-size: 14px; color: var(--hint); display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.crumbs a { color: var(--hint); }
.crumbs span[aria-hidden] { opacity: .5; }
.head { display: grid; gap: 10px; }
.lead { font-size: 18px; line-height: 1.5; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.tile { display: grid; gap: 8px; align-content: start; background: var(--glass); border-radius: 20px; box-shadow: var(--glass-shadow); padding: 16px; color: var(--text); min-width: 0; }
a.tile:hover { text-decoration: none; outline: 2px solid var(--v2-soft); }
.tile .t2 { color: var(--hint); font-size: 14px; }
.ftile { grid-template-columns: 40px minmax(0, 1fr); column-gap: 12px; align-items: start; }
.ftile h3 { margin-bottom: 4px; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin: 0; }
.kv div { background: var(--glass-strong); border-radius: 14px; padding: 10px 12px; min-width: 0; }
.kv dt { color: var(--hint); font-size: 13px; }
.kv dd { margin: 2px 0 0; font-weight: 600; overflow-wrap: anywhere; }

/* ------------------------------------------------ герой — карточка баланса 2.0 */
.hero { background: linear-gradient(135deg, var(--v2-brand-a), var(--v2-brand-c)); color: #fff; border-radius: 24px; padding: 22px; display: grid; gap: 14px; box-shadow: 0 14px 34px rgba(47, 126, 235, 0.28); }
.hero .row { padding: 0; color: #fff; }
.hero .ico { background: rgba(255, 255, 255, 0.2); color: #fff; }
.hero .label { opacity: .85; font-size: 15px; }
.hero .big { font-family: var(--display); font-weight: 600; font-size: clamp(34px, 7vw, 52px); letter-spacing: -0.03em; line-height: 1.05; }
.hero .sub { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 15px; opacity: .95; }
.hero .sub b { font-weight: 650; }
.hero .acts { display: flex; flex-wrap: wrap; gap: 10px; }
.hero h1 { font-size: clamp(20px, 3.2vw, 26px); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; background: rgba(255,255,255,.18); font-size: 14px; font-weight: 600; }

/* ------------------------------------------------ калькулятор */
.calc { display: grid; gap: 10px; }
.calc .line { display: grid; grid-template-columns: minmax(0, 1fr) 110px; gap: 8px; }
.calc input, .calc select, .search input { width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line); background: var(--glass-strong); color: var(--text); font: 600 18px var(--font); padding: 0 14px; }
.calc select { font-size: 16px; padding: 0 10px; }
.calc output { display: block; font-family: var(--display); font-size: 22px; font-weight: 600; overflow-wrap: anywhere; align-self: center; }
.calc .swap { justify-self: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--glass); color: var(--accent); cursor: pointer; font-size: 18px; }

/* ------------------------------------------------ таблицы */
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 16px; border: 1px solid var(--line); }
.tbl { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--glass); }
.tbl th, .tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl th { color: var(--hint); font-weight: 600; font-size: 13px; background: var(--glass-strong); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td.r, .tbl th.r { text-align: right; }
.tbl a { color: var(--text); font-weight: 600; }
.coin-cell { display: flex; align-items: center; gap: 10px; }
.coin-cell .ico { width: 30px; height: 30px; font-size: 11px; }

/* ------------------------------------------------ график (SVG без JS) */
.chart input { position: absolute; opacity: 0; pointer-events: none; }
.chart .seg { margin-bottom: 10px; }
.chart .plot { display: none; }
.chart .plot.on { display: block; }
.chart .plot svg { width: 100%; height: auto; display: block; }
.chart .plot .ln { fill: none; stroke-width: 2.4; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.chart .plot.u .ln { stroke: var(--up); } .chart .plot.d .ln { stroke: var(--down); }
.chart .plot.u .ar { fill: color-mix(in srgb, var(--up) 14%, transparent); } .chart .plot.d .ar { fill: color-mix(in srgb, var(--down) 14%, transparent); }
.chart .meta { display: flex; justify-content: space-between; color: var(--hint); font-size: 13px; margin-top: 6px; }
#r-1d:checked ~ .p-1d, #r-7d:checked ~ .p-7d, #r-1m:checked ~ .p-1m, #r-1y:checked ~ .p-1y { display: block; }
#r-1d:checked ~ .seg [for=r-1d], #r-7d:checked ~ .seg [for=r-7d], #r-1m:checked ~ .seg [for=r-1m], #r-1y:checked ~ .seg [for=r-1y] { background: var(--v2-thumb); box-shadow: 0 1px 3px rgba(0,0,0,.14); font-weight: 600; }

/* ------------------------------------------------ статья */
.prose { font-size: 17px; line-height: 1.7; overflow-wrap: break-word; }
.prose > * + * { margin-top: 14px; }
.prose h2 { margin-top: 30px; font-size: 22px; scroll-margin-top: 80px; }
.prose h3 { margin-top: 22px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li + li { margin-top: 6px; }
.prose blockquote { margin: 0; padding: 12px 16px; border-left: 3px solid var(--accent); background: var(--v2-soft); border-radius: 0 14px 14px 0; }
.prose code { background: var(--glass-strong); padding: 1px 6px; border-radius: 6px; font-size: .92em; }
.prose .tbl-wrap { margin-top: 16px; }
.answer { font-size: 18px; line-height: 1.55; padding: 16px 18px; border-radius: 18px; background: var(--v2-soft); }
.toc ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; font-size: 15px; }
.faq details { border-top: 1px solid var(--line); padding: 12px 0; }
.faq details:first-of-type { border-top: 0; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq .a { margin-top: 8px; opacity: .9; }
.meta-line { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--hint); font-size: 14px; }

/* ------------------------------------------------ CTA, поиск, квиз */
.cta { background: linear-gradient(135deg, var(--v2-brand-a), var(--v2-brand-c)); color: #fff; border-radius: 22px; padding: 20px; display: grid; gap: 10px; }
.cta h2 { font-family: var(--display); font-weight: 600; font-size: 20px; color: #fff; }
.search { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.result { display: grid; gap: 10px; }
.badge { display: inline-flex; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; background: var(--v2-soft); color: var(--accent); }
.badge.bad { background: color-mix(in srgb, var(--down) 15%, transparent); color: var(--down); }
.badge.ok { background: color-mix(in srgb, var(--up) 15%, transparent); color: var(--up); }
.q { display: grid; gap: 10px; }
.q p { font-weight: 600; }
button.opt { justify-content: flex-start; text-align: left; }
button.opt.right { background: color-mix(in srgb, var(--up) 18%, var(--glass)); }
button.opt.wrong { background: color-mix(in srgb, var(--down) 18%, var(--glass)); }
.pager { display: flex; gap: 10px; justify-content: center; align-items: center; }

/* ------------------------------------------------ подвал и таб-бар */
footer { border-top: 1px solid var(--line); padding-block: 28px 120px; color: var(--hint); font-size: 14px; }
footer .cols4 { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
footer h3 { color: var(--text); font-size: 15px; margin-bottom: 8px; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
footer a { color: var(--hint); }
footer .note { margin-top: 20px; max-width: 760px; }
.tabbar { position: fixed; z-index: 30; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); display: grid; grid-template-columns: repeat(5, 1fr); background: var(--bar); border-radius: 26px; border: 1px solid var(--line); box-shadow: var(--tabbar-shadow); padding: 6px; max-width: 520px; margin: 0 auto; }
.tabbar a { display: grid; justify-items: center; gap: 2px; padding: 6px 2px; border-radius: 20px; color: var(--hint); font-size: 11.5px; font-weight: 500; }
.tabbar a:hover { text-decoration: none; }
.tabbar a.on { color: var(--accent); background: var(--v2-soft); font-weight: 600; }
.tabbar svg { width: 22px; height: 22px; }
@media (min-width: 960px) { .tabbar { display: none; } footer { padding-bottom: 32px; } }
.steps { list-style: none; margin: 0; padding: 0; }
.series-nav .sn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.series-nav .sn-row .btn { flex: 1 1 auto; min-width: 0; white-space: normal; text-align: center; }

/* ------------------------------------------------ быстрые действия (как кружки действий на главной 2.0) */
.quick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.quick a { display: grid; justify-items: center; gap: 6px; color: var(--text); font-size: 13px; font-weight: 500; text-align: center; }
.quick a:hover { text-decoration: none; }
.quick .qi { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--glass); color: var(--accent); box-shadow: var(--glass-shadow); }
.quick .qi svg { width: 24px; height: 24px; }
@media (min-width: 960px) { .quick { max-width: 420px; } }
.toc-m summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; }
.toc-m summary::-webkit-details-marker { display: none; }
.toc-m summary::after { content: "▾"; color: var(--accent); }
.toc-m[open] summary::after { content: "▴"; }
.toc-m ol { margin-top: 10px; }

/* ------------------------------------------------ телефон: всё главное — на первом экране, удобно пальцем */
@media (max-width: 959px) {
  .calc-first > .side { display: contents; }
  .calc-first > .side > .calc { order: -1; }
  .chips.scroll { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: -16px; padding-inline: 16px; scroll-snap-type: x proximity; }
  .chips.scroll::-webkit-scrollbar { display: none; }
  .chips.scroll > * { flex: none; scroll-snap-align: start; }
  .side .cta { order: 10; }
}
@media (max-width: 560px) {
  .tbl .m-hide { display: none; }
  main { padding-top: 12px; }
  h1 { font-size: 23px; }
  .hero { padding: 18px 16px; border-radius: 22px; gap: 12px; }
  .hero h1 { font-size: 17px; font-family: var(--font); font-weight: 600; opacity: .92; letter-spacing: 0; }
  .hero .big { font-size: clamp(28px, 9vw, 40px); white-space: nowrap; }
  .hero .stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .hero .stats > span { background: rgba(255, 255, 255, 0.14); border-radius: 14px; padding: 8px 10px; font-size: 12.5px; line-height: 1.3; display: grid; }
  .hero .stats b { font-size: 15px; }
  .hero .acts { display: grid; grid-template-columns: 1fr 1fr; }
  .hero .acts .btn:only-child { grid-column: 1 / -1; }
  .hero .acts .btn { padding: 0 8px; font-size: 14px; white-space: nowrap; }
  .grid, .grid.two { grid-template-columns: 1fr; }
  .tile { padding: 14px; border-radius: 18px; }
  .lead { font-size: 16.5px; }
  .answer { font-size: 16px; padding: 14px; }
  .prose { font-size: 16px; }
  .prose h2 { font-size: 19px; margin-top: 24px; }
  .card { border-radius: 18px; }
  .row { padding: 12px; }
  .kv { grid-template-columns: 1fr 1fr; }
  .calc output { font-size: 20px; }
  .search { grid-template-columns: 1fr; }
  .search .btn { width: 100%; }
  footer .cols4 { grid-template-columns: 1fr 1fr; }
  .crumbs { font-size: 13px; }
}
@media (max-width: 420px) { .hero { padding: 18px; } .card { padding: 16px; } .calc .line { grid-template-columns: minmax(0, 1fr) 96px; } }