@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-latin-ext-400700.woff2) format('woff2');
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-latin-400700.woff2) format('woff2');
  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';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-tui-400700.woff2) format('woff2');
  unicode-range:
    U+2190, U+2192, U+2194-2199, U+21E7, U+2208, U+220B, U+2218-221A, U+221E, U+223C, U+2248,
    U+2260-2261, U+2264-2265, U+2302-2305, U+2318, U+2325, U+2500-25A1, U+25AA-25AB, U+25B2-25C7,
    U+25CA, U+25CC, U+25CE-25CF, U+25D4-25D5, U+25E7-25EB, U+25EF, U+26A0-26A1, U+2715, U+276E-2771;
}

:root {
  color-scheme: dark;
  --bg: #050f12;
  --bg-deep: #020a0c;
  --panel-line: #163139;
  --slot-line: #274f5a;
  --accent: #47bfff;
  --accent-dim: #0084cc;
  --text: #e8f0f2;
  --muted: #8ea1a6;
  --faint: #516970;
  --water-light: #54cced;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;
  --font-ui: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--water-light); text-decoration-thickness: 1px; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.doc__top {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--panel-line);
}
.doc__mark { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-family: var(--font-mono); font-size: 0.95rem; letter-spacing: 0.02em; }
.doc__mark img { width: 34px; height: 34px; image-rendering: pixelated; }
.doc__topnav { margin-left: auto; display: flex; gap: 18px; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; }
.doc__topnav a { color: var(--muted); text-decoration: none; }
.doc__topnav a:hover, .doc__topnav a[aria-current] { color: var(--text); }

.doc__body { display: grid; grid-template-columns: 240px minmax(0, 1fr); max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.doc__nav { padding: 32px 24px 48px 0; border-right: 1px solid var(--panel-line); font-size: 0.95rem; }
.doc__nav h2 { margin: 22px 0 8px; font-family: var(--font-mono); font-size: 0.7rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.doc__nav h2:first-child { margin-top: 0; }
.doc__nav ul { list-style: none; margin: 0; padding: 0; }
.doc__nav li { margin: 0; }
.doc__nav a { display: block; padding: 5px 0 5px 12px; color: var(--muted); text-decoration: none; border-left: 1px solid var(--panel-line); }
.doc__nav a:hover { color: var(--text); }
.doc__nav a[aria-current='page'] { color: var(--text); border-left-color: var(--accent); }
.doc__menu { display: none; }

.doc__main { padding: 32px 0 64px 40px; min-width: 0; }
.doc__crumb { margin: 0 0 6px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.doc__article { max-width: 44rem; }
.doc__article h1 { margin: 0 0 18px; font-family: var(--font-mono); font-weight: 500; font-size: 2rem; line-height: 1.2; letter-spacing: -0.01em; color: var(--accent); }
.doc__article h2 { margin: 40px 0 12px; font-family: var(--font-mono); font-weight: 500; font-size: 1.2rem; line-height: 1.3; }
.doc__article h3 { margin: 28px 0 8px; font-family: var(--font-mono); font-weight: 500; font-size: 1rem; }
.doc__article p, .doc__article li { color: var(--text); }
.doc__article ul, .doc__article ol { padding-left: 1.4em; }
.doc__article li { margin: 6px 0; }
.doc__article li > p { margin: 0; }
.doc__article code { font-family: var(--font-mono); font-size: 0.88em; background: var(--bg-deep); border: 1px solid var(--panel-line); border-radius: 4px; padding: 1px 5px; }
.doc__article pre { margin: 14px 0; padding: 12px 14px; background: var(--bg-deep); border: 1px solid var(--panel-line); border-radius: 4px; overflow-x: auto; }
.doc__article pre code { background: none; border: 0; padding: 0; font-size: 0.9rem; }
.doc__article table { border-collapse: collapse; margin: 14px 0; width: 100%; font-size: 0.95rem; }
.doc__article th, .doc__article td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--panel-line); vertical-align: top; }
.doc__article th { font-family: var(--font-mono); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.doc__article hr { border: 0; border-top: 1px solid var(--panel-line); margin: 32px 0; }
.doc__placeholder { border: 2px dashed #fb923c; background: #1c1310; color: var(--muted); padding: 10px 14px; font-family: var(--font-mono); font-size: 0.875rem; }

.doc__pager { display: flex; justify-content: space-between; gap: 16px; margin: 48px 0 0; padding-top: 20px; border-top: 1px solid var(--panel-line); font-family: var(--font-mono); font-size: 0.9rem; }
.doc__pager a { text-decoration: none; color: var(--muted); }
.doc__pager a:hover { color: var(--text); }
.doc__pager span { color: var(--faint); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; display: block; margin-bottom: 4px; }

.doc__foot { max-width: 1200px; margin: 0 auto; padding: 24px; border-top: 1px solid var(--panel-line); font-family: var(--font-mono); font-size: 0.8rem; color: var(--faint); display: flex; gap: 18px; flex-wrap: wrap; }
.doc__foot a { color: var(--muted); text-decoration: none; }

@media (max-width: 760px) {
  body { font-size: 1rem; }
  .doc__top { padding: 12px 16px; }
  .doc__body { grid-template-columns: 1fr; padding: 0 16px; }
  .doc__nav { display: none; }
  .doc__menu { display: block; margin: 16px 0 0; border: 1px solid var(--panel-line); border-radius: 4px; }
  .doc__menu summary { padding: 10px 14px; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); cursor: pointer; }
  .doc__menu .doc__nav { display: block; padding: 4px 14px 14px; border-right: 0; }
  .doc__main { padding: 24px 0 48px; }
  .doc__article h1 { font-size: 1.6rem; }
}