:root {
  --bg: #0A0A0B;
  --bg-2: #0E0F12;
  --surface: #1C1F26;
  --text: #F2F3F5;
  --text-2: #A8ADB6;
  --text-3: #8A8F98;
  --accent: #9AD8FF;
  --accent-2: #9DB4FF;
  --ok: #8FE3B0;
  --warn: #F5D387;
  --bad: #FF9AA2;
  --hair: rgba(255, 255, 255, .13);
  --chrome-text: linear-gradient(#FFFFFF 0%, #B4BAC4 100%);
  --pearl: radial-gradient(circle at 32% 28%, #FFF 0%, #CFE0F2 20%, #59616E 62%, #121418 100%);
  --glass: linear-gradient(135deg, rgba(255,255,255,.12) 0%, rgba(255,255,255,.04) 45%, rgba(255,255,255,.07) 100%);
  --glass-shadow: inset 2px 2px 1px -1px rgba(255,255,255,.42), inset -1px -1px 1px -1px rgba(255,255,255,.2),
    inset 0 0 32px rgba(255,255,255,.035), 0 24px 60px rgba(0,0,0,.45);
  --glow: 0 0 18px rgba(160,200,255,.45);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --f-display: "Unbounded", "Onest", system-ui, sans-serif;
  --f-body: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --gutter: 16px;
}
* { box-sizing: border-box; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--text);
  font: 400 1rem/1.45 var(--f-body);
  background-image: radial-gradient(at 82% 0%, #1C1F26 0%, #0E0F12 52%, #0A0A0B 100%);
  background-attachment: fixed;
}
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
p { margin: 0 0 .75rem; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.kit-nav { --kit-nav-bg: rgba(28, 31, 38, .72); --kit-nav-fg: var(--text); --kit-nav-fg-muted: var(--text-2); --kit-nav-border: var(--hair);
  --kit-nav-current-bg: rgba(255, 255, 255, .14); --kit-nav-focus: var(--accent); --kit-nav-panel-bg: var(--bg-2); --kit-nav-font: var(--f-body); }
.kit-nav__brand { font-family: var(--f-display); letter-spacing: -.3px; }
.sk-view { display: grid; gap: 14px; min-height: 480px; align-content: start; padding-top: 24px; }
.sk-panel { height: 160px; border-radius: 24px; }
.foot-contacts { flex-basis: 100%; --kit-contacts-border: var(--hair); --kit-contacts-fg: var(--text); --kit-contacts-focus: var(--accent); text-transform: none; letter-spacing: 0; }
.foot-link { color: var(--accent); }
.skip:focus { left: 8px; }
.noscript { padding: 24px var(--gutter); }

/* ---------- каркас ---------- */
.shell { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter) 48px; }
.top { display: flex; align-items: center; gap: 12px; padding: 14px 0; flex-wrap: wrap; position: relative; z-index: 2; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font: 600 .78rem/1 var(--f-mono); letter-spacing: 2.4px; text-transform: uppercase; min-height: 44px; }
.pearl { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--pearl); box-shadow: var(--glow); flex: none; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
@media (min-width: 720px) { .nav { margin-left: auto; } }
.nav a, .nav button { color: var(--text-2); text-decoration: none; font: 500 .92rem/1 var(--f-body); padding: 0 14px; min-height: 44px; display: inline-flex; align-items: center; border-radius: 9999px; border: 1px solid transparent; background: none; cursor: pointer; }
.nav a:hover, .nav button:hover { color: var(--text); border-color: var(--hair); }
.nav a[aria-current="page"] { color: var(--text); border-color: var(--hair); background: rgba(255,255,255,.06); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 400 .72rem/1.2 var(--f-mono); letter-spacing: 2.6px; text-transform: uppercase; color: var(--accent); }
.h1 { font: 700 clamp(2rem, 7vw, 3.6rem)/1.04 var(--f-display); letter-spacing: -.03em; color: #E9ECF1; background: var(--chrome-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin: 14px 0 10px; }
.h2 { font: 600 clamp(1.25rem, 3.4vw, 1.7rem)/1.15 var(--f-display); letter-spacing: -.02em; color: #E9ECF1; margin: 0 0 14px; }
.lead { color: var(--text-2); max-width: 56ch; }
.muted { color: var(--text-2); }
.mono { font-family: var(--f-mono); }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--text-3); font: 400 .72rem/1.4 var(--f-mono); letter-spacing: 1.6px; text-transform: uppercase; padding: 28px 0 0; border-top: 1px solid var(--hair); margin-top: 40px; }

/* ---------- стекло ---------- */
.card { background: var(--glass); backdrop-filter: blur(20px) saturate(1.6); -webkit-backdrop-filter: blur(20px) saturate(1.6); box-shadow: var(--glass-shadow); border-radius: 24px; padding: 20px; }
.card + .card { margin-top: 16px; }
.card h3 { font: 600 1.05rem/1.2 var(--f-body); margin-bottom: 4px; }
.grid { display: grid; gap: 16px; }
@media (min-width: 880px) { .grid.two { grid-template-columns: 1fr 1fr; } .grid.two .card + .card { margin-top: 0; } }
.stack > * + * { margin-top: 14px; }

/* ---------- формы ---------- */
label { display: block; font: 500 .85rem/1.2 var(--f-body); color: var(--text-2); margin-bottom: 6px; }
input, select, textarea { width: 100%; min-height: 48px; padding: 10px 16px; border-radius: 16px; border: 1px solid var(--hair); background: rgba(10,10,11,.55); color: var(--text); font: 400 1rem/1.3 var(--f-body); }
input::placeholder { color: var(--text-3); }
input:hover, select:hover { border-color: rgba(255,255,255,.28); }
input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="checkbox"] { width: 22px; height: 22px; min-height: 0; accent-color: var(--accent); padding: 0; }
.code { font: 600 1.6rem/1 var(--f-mono); letter-spacing: .5em; text-align: center; }
.field + .field { margin-top: 14px; }
.hint { color: var(--text-3); font-size: .82rem; margin-top: 6px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 9999px; border: 1px solid var(--hair); background: rgba(255,255,255,.07); color: var(--text); font: 600 .95rem/1 var(--f-body); cursor: pointer; text-decoration: none; transition: transform .38s var(--ease), background .2s, border-color .2s; }
.btn:hover { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(#F4F7FB, #B9C3D1); color: #0A0A0B; border-color: transparent; box-shadow: 0 0 24px rgba(154,216,255,.25); }
.btn.primary:hover { background: linear-gradient(#FFFFFF, #CBD4E0); }
.btn.danger { color: var(--bad); border-color: rgba(255,154,162,.35); }
.btn.danger:hover { background: rgba(255,154,162,.1); }
.btn.sm { min-height: 44px; padding: 0 16px; font-size: .88rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.link { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: inherit; text-decoration: underline; min-height: 44px; }
.alert { border-radius: 16px; padding: 12px 16px; font-size: .92rem; border: 1px solid var(--hair); margin-bottom: 14px; }
.alert.err { color: var(--bad); border-color: rgba(255,154,162,.4); background: rgba(255,154,162,.07); }
.alert.ok { color: var(--ok); border-color: rgba(143,227,176,.4); background: rgba(143,227,176,.07); }
.alert.warn { color: var(--warn); border-color: rgba(245,211,135,.4); background: rgba(245,211,135,.07); }

/* ---------- чипы ---------- */
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; min-height: 26px; padding: 0 12px; border-radius: 9999px; border: 1px solid var(--hair); font: 500 .78rem/1 var(--f-body); color: var(--text-2); white-space: nowrap; }
.chip.mono { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .6px; }
.chip.ok { color: var(--ok); border-color: rgba(143,227,176,.4); }
.chip.warn { color: var(--warn); border-color: rgba(245,211,135,.4); }
.chip.bad { color: var(--bad); border-color: rgba(255,154,162,.4); }
.chip.acc { color: var(--accent); border-color: rgba(154,216,255,.4); }

/* ---------- вкладки ---------- */
.tabs { display: flex; gap: 6px; overflow-x: auto; margin: 18px 0; padding-bottom: 4px; scrollbar-width: thin; }
.tabs a { flex: none; text-decoration: none; color: var(--text-2); padding: 0 16px; min-height: 44px; display: inline-flex; align-items: center; border-radius: 9999px; border: 1px solid var(--hair); font-weight: 500; }
.tabs a[aria-current="page"] { color: var(--text); background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.3); }

/* ---------- списки ---------- */
.list { list-style: none; margin: 0; padding: 0; }
.item { display: grid; gap: 10px; padding: 14px 0; border-top: 1px solid var(--hair); }
.item:first-child { border-top: 0; }
.item .title { font-weight: 600; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; word-break: break-word; }
.item .meta { color: var(--text-3); font: 400 .78rem/1.5 var(--f-mono); word-break: break-word; }
@media (min-width: 720px) { .item.wide { grid-template-columns: 1fr auto; align-items: center; } }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th { text-align: left; color: var(--text-3); font: 400 .7rem/1 var(--f-mono); letter-spacing: 1.8px; text-transform: uppercase; padding: 8px 10px; white-space: nowrap; }
td { padding: 10px; border-top: 1px solid var(--hair); vertical-align: top; }
td.mono { font-size: .78rem; color: var(--text-2); }
.matrix td, .matrix th { text-align: center; }
.matrix td:first-child, .matrix th:first-child { text-align: left; }

.secret { font: 600 1.05rem/1.5 var(--f-mono); letter-spacing: .12em; word-break: break-all; padding: 14px 16px; border-radius: 16px; background: rgba(10,10,11,.6); border: 1px dashed rgba(154,216,255,.45); color: var(--accent); user-select: all; }
.codes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; font: 600 .95rem/1 var(--f-mono); }
.codes span { padding: 12px; border-radius: 12px; background: rgba(10,10,11,.6); border: 1px solid var(--hair); text-align: center; user-select: all; }

/* ---------- вход: сцена ---------- */
.stage { display: grid; gap: 28px; padding: 12px 0 0; align-items: center; }
@media (min-width: 900px) { .stage { grid-template-columns: minmax(0, 480px) 1fr; gap: 56px; padding-top: 32px; } }
.art { position: relative; min-height: 220px; display: grid; place-items: center; order: -1; overflow: hidden; border-radius: 28px; }
@media (min-width: 900px) { .art { order: 0; min-height: 520px; overflow: visible; } }
.art::before { content: ""; position: absolute; inset: -10%; background: radial-gradient(at 50% 45%, rgba(150,195,255,.18) 0%, rgba(150,195,255,0) 68%); }
.orb { position: relative; width: min(54vw, 230px); aspect-ratio: 1; border-radius: 46% 54% 52% 48% / 52% 44% 56% 48%;
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,.95) 0%, rgba(255,255,255,0) 22%),
    radial-gradient(circle at 70% 78%, rgba(154,216,255,.55) 0%, rgba(154,216,255,0) 40%),
    conic-gradient(from 210deg at 50% 50%, #1b1f27, #9DB4FF, #F2F3F5, #6a7686, #9AD8FF, #20242c, #c9d3e4, #1b1f27);
  box-shadow: inset -18px -22px 50px rgba(0,0,0,.55), inset 14px 16px 36px rgba(255,255,255,.35), 0 40px 90px rgba(0,0,0,.6), 0 0 80px rgba(154,216,255,.18);
  animation: morph 14s var(--ease) infinite alternate; }
@media (min-width: 900px) { .orb { width: 380px; } }
.orb::after { content: ""; position: absolute; inset: 31%; border-radius: 50%; border: 12px solid rgba(10,10,11,.78); box-shadow: inset 0 0 0 2px rgba(255,255,255,.45), 0 0 0 2px rgba(255,255,255,.18); }
.orb::before { content: ""; position: absolute; left: 60%; top: 45%; width: 30%; height: 9%; border-radius: 9999px; background: rgba(10,10,11,.78); box-shadow: inset 0 0 0 2px rgba(255,255,255,.35); }
.ring { position: absolute; width: min(72vw, 300px); aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--hair); animation: spin 40s linear infinite; }
@media (min-width: 900px) { .ring { width: 500px; } }
.ring::after { content: ""; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--pearl); box-shadow: var(--glow); }
@keyframes morph { to { border-radius: 54% 46% 44% 56% / 46% 56% 44% 54%; transform: rotate(14deg) scale(1.03); } }
@keyframes spin { to { transform: rotate(360deg); } }
.ticker { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- демо ---------- */
.demo { border: 1px dashed rgba(245,211,135,.5); background: rgba(245,211,135,.05); border-radius: 20px; padding: 16px; margin-top: 18px; }
.demo .eyebrow { color: var(--warn); }
.demo ul { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 8px; }
.demo li { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: .88rem; }
.bar { height: 4px; border-radius: 4px; background: rgba(255,255,255,.12); overflow: hidden; margin-top: 6px; }
.bar > i { display: block; height: 100%; background: var(--accent); width: 100%; transform-origin: left; transition: transform 1s linear; }

dialog { color: var(--text); background: var(--surface); border: 1px solid var(--hair); border-radius: 24px; padding: 22px; width: min(480px, calc(100vw - 32px)); box-shadow: 0 30px 80px rgba(0,0,0,.7); }
dialog::backdrop { background: rgba(0,0,0,.65); backdrop-filter: blur(4px); }
.checks { display: grid; gap: 4px; margin: 12px 0; }
.check { display: flex; align-items: center; gap: 12px; min-height: 44px; margin: 0; color: var(--text); font-size: .95rem; cursor: pointer; }

.toasts { position: fixed; bottom: 16px; left: 16px; right: 16px; display: grid; gap: 8px; z-index: 40; pointer-events: none; justify-items: center; }
.toast { pointer-events: auto; max-width: 440px; width: 100%; background: var(--surface); border: 1px solid var(--hair); border-radius: 16px; padding: 12px 16px; box-shadow: 0 20px 50px rgba(0,0,0,.6); animation: rise .38s var(--ease); }
.toast.err { border-color: rgba(255,154,162,.5); }
.toast.ok { border-color: rgba(143,227,176,.5); }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } }
.reveal > * { animation: rise .5s var(--ease) both; }
.reveal > *:nth-child(2) { animation-delay: .06s; }
.reveal > *:nth-child(3) { animation-delay: .12s; }
.loading { color: var(--text-3); font: 400 .8rem/1 var(--f-mono); letter-spacing: 2px; text-transform: uppercase; padding: 40px 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

form > .row { margin-top: 18px; }
.card > h3 + form, .card > h3 + .chips, .card > .row + form { margin-top: 12px; }