@font-face {
  font-family: "Golos Text";
  src: url("/static/fonts/golos-text-cyrillic.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Golos Text";
  src: url("/static/fonts/golos-text-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  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: "JetBrains Mono";
  src: url("/static/fonts/jetbrains-mono-cyrillic.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/static/fonts/jetbrains-mono-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  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 {
  --bg: #07080A;
  --card: #12151A;
  --raised: #181C22;
  --line: #2A3138;
  --well: #0C0E11;
  --text: #E8E4DA;
  --muted: #8E8980;
  --gold: #E2B340;
  --gold-press: #C4922A;
  --data: #7EE0D6;
  --danger: #E5484D;
  --font: "Golos Text", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
}
a { color: inherit; }

.board {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background-image:
    linear-gradient(rgba(42, 49, 56, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 49, 56, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center;
}
.gate {
  width: min(560px, calc(100% - 40px));
  padding: 36px 32px 32px;
  background: rgba(18, 21, 26, 0.92);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(226, 179, 64, 0.35);
}
.mark, .brand {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.mark span, .brand span { color: var(--gold); margin-right: 8px; }
.gate h1, .head h1 {
  margin: 14px 0 8px;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.lead, .hint { margin: 0; color: var(--muted); max-width: 46ch; line-height: 1.45; }
.enter { margin-top: 28px; display: grid; gap: 12px; }
.well { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.well input, .scale input {
  width: 100%;
  background: var(--well);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 12px 14px;
  font: 16px var(--font);
}
.well input:focus, .scale input:focus, .drop:focus-within {
  outline: none;
  border-color: var(--gold);
}
.go {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  background: var(--gold);
  color: #16140e;
  border: 0;
  padding: 12px 18px;
  font: 600 15px var(--font);
  text-decoration: none;
  cursor: pointer;
}
.go:hover { background: #ecd07a; }
.go:active { background: var(--gold-press); }
.err { margin: 0; color: var(--danger); }

.app { min-height: 100vh; display: grid; grid-template-columns: 252px 1fr; }
.side {
  background: #0c0e11;
  border-right: 1px solid var(--line);
  padding: 22px 14px 16px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: sticky;
  top: 0;
}
.brand-sub { margin: 4px 0 18px; color: var(--muted); font-size: 13px; }
.side nav { overflow: auto; flex: 1; }
.group {
  margin: 16px 8px 6px;
  color: #6f6b64;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav {
  display: block;
  margin: 2px 0;
  padding: 8px 10px;
  color: #b7b2a8;
  text-decoration: none;
  border-left: 2px solid transparent;
}
.nav:hover { background: var(--raised); color: var(--text); }
.nav.on {
  background: var(--gold);
  color: #16140e;
  font-weight: 600;
  border-left-color: var(--gold-press);
}
.nav.later { color: #7c7870; }
.out { margin-top: 12px; }
.out button {
  width: 100%;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 8px;
  font: 14px var(--font);
  cursor: pointer;
}
.out button:hover { color: var(--text); border-color: var(--gold); }
.work { padding: 36px 40px 56px; }
.head h1 { font-size: 34px; }
.kicker {
  margin: 0;
  color: var(--data);
  font: 12px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tiles {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.tile {
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  text-decoration: none;
  align-content: start;
}
.tile strong { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; }
.tile .state { color: var(--muted); font: 12px var(--mono); }
.tile.ready { border-color: var(--gold); box-shadow: inset 3px 0 0 var(--gold); }
.tile.ready .state { color: var(--gold); }
.tile:hover { background: var(--raised); }
.panel { margin-top: 28px; display: grid; gap: 14px; max-width: 720px; }
.drop {
  display: grid;
  place-items: center;
  min-height: 140px;
  padding: 20px;
  background: var(--well);
  border: 1px dashed var(--line);
  color: var(--muted);
  text-align: center;
  cursor: pointer;
}
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop.has { color: var(--data); border-style: solid; border-color: var(--data); font-family: var(--mono); }
.drop.over { color: var(--text); border-style: solid; border-color: var(--gold); background: var(--raised); }
.row { display: flex; flex-wrap: wrap; gap: 16px; align-items: end; }
.choice { display: flex; gap: 8px; align-items: center; color: var(--text); }
.scale { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.scale input { width: 88px; }
.status { min-height: 1.4em; margin: 0; font-family: var(--mono); color: var(--data); }
.status.bad { color: var(--danger); }
.area, .field input, .field select {
  width: 100%;
  background: var(--well);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 12px 14px;
  font: 15px var(--mono);
}
.area { min-height: 140px; resize: vertical; }
.field { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.field input, .field select { font-family: var(--font); }
.report { display: grid; gap: 12px; margin-top: 18px; max-width: 880px; }
.card-result {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px 16px;
  display: grid;
  gap: 8px;
}
.card-result.bad { border-color: var(--danger); }
.card-result.ok { border-color: var(--data); }
.card-result .code { font: 13px var(--mono); word-break: break-all; color: var(--text); }
.card-result .err { margin: 0; color: var(--danger); }
.muted { color: var(--muted); }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.help p { max-width: 62ch; color: var(--muted); line-height: 1.5; }
.help h2 { font-size: 18px; margin: 22px 0 6px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 18px; align-items: start; margin-top: 28px; }
.split .panel { margin-top: 0; max-width: none; }
.files { background: var(--card); border: 1px solid var(--line); padding: 14px; display: grid; gap: 8px; margin-top: 22px; }
.files h2 { margin: 0 0 4px; font-size: 16px; }
.file-table { width: 100%; border-collapse: collapse; }
.file-table th, .file-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.file-table th { color: var(--muted); font-size: 12px; font-weight: 500; }
.file-table tr:hover td { background: var(--raised); }
.file-table .name { font-family: var(--mono); word-break: break-all; }
.samples { margin-top: 28px; max-width: 720px; }
.samples h2 { font-size: 18px; margin: 0 0 8px; }
.samples p { color: var(--muted); line-height: 1.5; }
.samples a { color: var(--gold); margin-right: 14px; }
.sample-line { font: 13px var(--mono); color: var(--text); word-break: break-all; background: var(--well); border: 1px solid var(--line); padding: 10px 12px; }
.sheet-wrap { background: var(--well); border: 1px solid var(--line); min-height: 220px; display: grid; place-items: center; }
.sheet { width: min(100%, 720px); background: white; border: 0; }
.sheet-empty { margin: 0; color: var(--muted); padding: 24px; text-align: center; }
.mini {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  padding: 6px 8px;
  font: 13px var(--font);
  cursor: pointer;
}
.mini:hover { border-color: var(--gold); }
.codes {
  max-height: 320px;
  overflow: auto;
  background: var(--well);
  border: 1px solid var(--line);
  padding: 8px 12px;
  font: 12px var(--mono);
  display: grid;
  gap: 4px;
}
.codes div.bad { color: var(--danger); }
.grid-note { margin: 0; font-family: var(--mono); color: var(--data); }
@media (max-width: 860px) {
  .cols { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; min-height: 0; }
  .work { padding: 24px 16px 40px; }
  .gate h1 { font-size: 32px; }
}