:root {
  --bg: #0e0e10;
  --ink: #edebe5;
  --mute: #98968e;
  --line: rgba(255, 255, 255, .11);
  --gold: #f7ba45;
  --darts: #ffd23f;
  --lotto: #34c759;
  --pachi: #64b5ff;
  --sushi: #ff7aa8;
  --gacha: #c9a0ff;
  --panel: #131418;
  --seg: rgba(255, 255, 255, .07);
  --seg-on: rgba(255, 255, 255, .17);
  --green: #54de8c;
  --sans: "Onest", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.55 var(--sans); }
h1, h2, p, ol, ul, dl, dd, fieldset { margin: 0; padding: 0; }
ol, ul { list-style: none; }
fieldset { border: 0; min-width: 0; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
[hidden] { display: none !important; }

.wrap { max-width: 1180px; margin-inline: auto; padding-inline: 32px; }

.top { display: flex; align-items: center; justify-content: space-between; padding-block: 26px; }
.mark { font: 500 23px/1 "Pixelify Sans", var(--sans); color: var(--gold); text-decoration: none; }
.top nav { display: flex; gap: 28px; font-size: 15px; }
.top nav a { color: var(--mute); text-decoration: none; transition: color .15s; }
.top nav a:hover { color: var(--ink); }

h2 { font-size: clamp(32px, 4.4vw, 54px); line-height: 1.06; letter-spacing: -.025em; font-weight: 700; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) 484px; gap: 64px; padding-block: 56px 112px; align-items: start; }
.kicker { font: 400 13px/1 var(--mono); color: var(--mute); margin-bottom: 26px; }
h1 { font-size: clamp(50px, 7.3vw, 92px); line-height: .98; letter-spacing: -.04em; font-weight: 700; }
.lead { max-width: 30em; font-size: 19px; margin-top: 30px; color: #c9c7c0; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 36px; }
.btn { display: inline-block; background: var(--gold); color: #17120a; font-weight: 700; padding: 13px 22px; border-radius: 6px; text-decoration: none; transition: background .15s; }
.btn:hover { background: #ffcb63; }
.btn[aria-disabled="true"] { background: var(--seg); color: var(--mute); cursor: default; font-weight: 500; }
.link { text-underline-offset: 4px; text-decoration-color: var(--mute); }
.link:hover { color: var(--gold); text-decoration-color: currentColor; }
.keys { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 64px; font-size: 14px; color: var(--mute); }
.keys div { display: flex; align-items: center; gap: 8px; }
kbd { font: 500 12px/1 var(--mono); color: var(--ink); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 4px 6px; }

.stage { min-height: 660px; }
.note { font-size: 13.5px; line-height: 1.45; color: var(--mute); margin-top: 16px; }
.restore { font-size: 15px; color: var(--gold); text-decoration: underline; text-underline-offset: 4px; padding: 8px 0; }

/* панель мода */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 24px 60px rgba(0, 0, 0, .45); font-size: 16px; line-height: 1.35; overflow: hidden; }
.p-head { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.panel.min .p-head { border-bottom: 0; }
.p-head strong { font-weight: 500; font-size: 17px; }
.p-tab { font-size: 14px; color: var(--mute); }
.grow { flex: 1; }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--green); transition: background .2s; }
.ico { width: 30px; height: 30px; border-radius: 6px; display: grid; place-items: center; }
.ico:hover { background: var(--seg); }
.ico svg, .rail svg { fill: none; stroke: var(--mute); stroke-width: 1.3; }
.ico svg { width: 16px; height: 16px; }
.p-main { display: flex; }
.rail { display: flex; flex-direction: column; gap: 4px; padding: 8px 5px; border-right: 1px solid var(--line); flex: none; }
.rail button { width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center; }
.rail button:hover { background: var(--seg); }
.rail button[aria-selected="true"] { background: var(--seg); }
.rail button[aria-selected="true"] svg { stroke: var(--gold); }
.rail svg { width: 21px; height: 21px; }
.p-body { flex: 1; min-width: 0; padding: 13px 16px 15px; }
.page hr { border: 0; border-top: 1px solid var(--line); margin: 13px 0; }
.cap { color: var(--mute); font-size: 14px; margin-bottom: 8px; }
.sub { color: var(--mute); font-size: 14px; margin-top: 7px; }
.line { font-size: 14px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.tog, .plain { background: var(--seg); border-radius: 7px; padding: 8px 6px; font-size: 14px; transition: background .15s, color .15s; }
.tog:hover, .plain:hover { background: var(--seg-on); }
.tog.on { background: rgba(84, 222, 140, .18); color: var(--green); }
.tog.off { color: var(--mute); }
.tog.gold { background: var(--gold); color: #17120a; }
.inc { display: grid; grid-template-columns: 74px minmax(0, 1fr) 96px; align-items: center; gap: 8px; height: 30px; transition: opacity .2s; }
.inc svg { width: 100%; height: 20px; overflow: visible; }
.inc path { fill: none; stroke: var(--c); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.inc .n { color: var(--c); }
.inc .v { text-align: right; font: 400 14.5px var(--mono); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.stats b { display: block; font: 400 15.5px var(--mono); }
.stats span { color: var(--mute); font-size: 13.5px; }
.recent { font-size: 14px; display: grid; gap: 5px; min-height: 66px; }
.recent i, .log i { color: var(--mute); font-style: normal; }

.grp-h { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 9px; border-radius: 7px; text-align: left; font-size: 16px; }
.grp-h:hover { background: var(--seg); }
.grp-h.open { background: var(--seg); }
.grp-h svg { width: 11px; height: 11px; fill: none; stroke: var(--mute); stroke-width: 1.4; transition: transform .15s; flex: none; }
.grp-h.open svg { transform: rotate(90deg); }
.grp-h em { margin-left: auto; font-style: normal; font-size: 14px; color: var(--mute); }
.grp-h em.cust { color: var(--gold); }
.feat { padding: 6px 2px 4px 8px; display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 15px; }
.modes { display: flex; background: var(--seg); border-radius: 7px; flex: none; }
.modes button { font-size: 13px; padding: 3px 6px; border-radius: 7px; color: var(--mute); }
.modes button.sel { background: var(--seg-on); color: var(--ink); }
.modes button.sel.cust { background: var(--gold); color: #17120a; }
.chips { display: flex; gap: 2px; margin-bottom: 8px; }
.chips button { flex: 1; font-size: 13px; padding: 4px 0; border-radius: 6px; color: var(--mute); }
.chips button.sel { background: var(--seg-on); color: var(--ink); }
.log { font-size: 14px; display: grid; gap: 6px; height: 330px; overflow: hidden; align-content: start; }
.log time { font-family: var(--mono); color: var(--mute); margin-right: 8px; font-size: 13px; }

/* комнаты */
.rooms { padding-block: 40px 104px; }
.room-list { margin-top: 40px; border-top: 1px solid var(--line); }
.room-list li { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 32px; align-items: baseline; padding-block: 26px; border-bottom: 1px solid var(--line); }
.rn { font: 500 34px/1 "Pixelify Sans", var(--sans); color: var(--c); }
.room-list p { max-width: 42em; color: #c9c7c0; }

/* логика */
.logic { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; padding-block: 56px 104px; align-items: start; }
.logic-copy p { margin-top: 20px; color: #c9c7c0; }
.sim-controls { display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: end; margin-bottom: 22px; }
legend, .gems span { display: block; font-size: 14px; color: var(--mute); margin-bottom: 8px; }
.gems { flex: 1; min-width: 220px; }
.gems output { color: var(--ink); font-family: var(--mono); }
.gems input { width: 100%; accent-color: var(--gold); display: block; height: 26px; margin: 0; }
.seg { display: flex; background: var(--seg); border-radius: 7px; }
.seg button { width: 42px; height: 34px; border-radius: 7px; color: var(--mute); font-family: var(--mono); font-size: 14px; }
.seg button.sel { background: var(--gold); color: #17120a; }
.grid { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 6px; }
.cell { aspect-ratio: 1; border-radius: 6px; background: rgba(255, 255, 255, .035); display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; align-items: end; padding: 7px 6px; position: relative; opacity: .5; transition: opacity .15s, background .15s; }
.cell.open { opacity: 1; background: rgba(255, 255, 255, .07); }
.cell:hover, .cell:focus-visible { background: rgba(255, 255, 255, .14); }
.cell::before { content: ""; position: absolute; top: 7px; left: 6px; width: 7px; height: 7px; border-radius: 2px; background: var(--c); }
.cell u { display: block; height: 7px; background: rgba(255, 255, 255, .13); border-radius: 1px; }
.cell u.on { background: var(--c); }
.sim-detail { min-height: 26px; margin-top: 14px; font-size: 15px; }

/* установка */
.install { padding-block: 56px 96px; }
.lead-s { margin-top: 14px; color: #c9c7c0; }
.steps { margin-top: 34px; counter-reset: s; max-width: 760px; }
.steps li { counter-increment: s; position: relative; padding: 15px 0 15px 44px; border-top: 1px solid var(--line); }
.steps li::before { content: counter(s); position: absolute; left: 0; font-family: var(--mono); color: var(--gold); }
.steps b { font-weight: 500; }
code { font: 400 .86em var(--mono); background: var(--seg); padding: 2px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.dl { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 30px; }
.dl p { color: var(--mute); font-size: 15px; }

/* вопросы и версии */
.faq, .log-sec { padding-block: 40px 72px; }
.faq details { border-top: 1px solid var(--line); max-width: 760px; }
.faq h2 { margin-bottom: 32px; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding-block: 16px; font-weight: 500; }
details p { padding-bottom: 18px; color: #c9c7c0; }
.versions { margin-top: 32px; max-width: 760px; }
.versions li { display: grid; grid-template-columns: 70px minmax(0, 1fr); padding-block: 12px; border-top: 1px solid var(--line); color: #c9c7c0; }
.versions span { font-family: var(--mono); color: var(--mute); }
footer { padding-block: 30px 48px; color: var(--mute); font-size: 14px; }

@media (max-width: 1020px) {
  .hero, .logic { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero { padding-bottom: 72px; }
  .panel, .note { max-width: 520px; }
  .stage { min-height: 0; }
  .keys { margin-top: 40px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 16px; }
  .top nav { display: none; }
  .hero { padding-top: 24px; }
  .room-list li { grid-template-columns: minmax(0, 1fr); gap: 10px; padding-block: 22px; }
  .rn { font-size: 28px; }
  .grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .p-body { padding-inline: 11px; }
  .rail button { width: 36px; height: 38px; }
  .inc { grid-template-columns: 64px minmax(0, 1fr) 86px; }
  .feat { font-size: 14px; }
  .modes button { padding-inline: 4px; font-size: 12px; }
  .chips button { font-size: 12px; }
  .seg button { width: 40px; }
}

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