:root {
  --black: #000;
  --white: #fff;
  --paper: var(--white);
  --line: rgba(0, 0, 0, 0.18);
  --line-strong: #000;
  --outer-line: rgba(255, 255, 255, 0.3);
  --outer-muted: rgba(255, 255, 255, 0.62);
  --selection: rgba(0, 0, 0, 0.05);
  --line-pad: 10px;
  --panel-pad: 15px;
  --row-pad-y: 9px;
  --header-height: 42px;
  --header-height-mobile: 39px;
  --archive-rail-width: minmax(215px, 17vw);
  --archive-inspector-width: minmax(285px, 23vw);
  --symbol-color: currentColor;
  /* Reading text is Helvetica; archive metadata retains a Courier voice. */
  --sans: Helvetica, Arial, sans-serif;
  --mono: "Courier New", Courier, monospace;
}

html[data-theme="inverted"] {
  --black: #fff;
  --white: #000;
  --paper: var(--white);
  --line: rgba(255, 255, 255, 0.2);
  --line-strong: #fff;
  --outer-line: rgba(0, 0, 0, 0.3);
  --outer-muted: rgba(0, 0, 0, 0.62);
  --selection: rgba(255, 255, 255, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html { min-width: 320px; background: var(--white); }

body {
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.35;
  text-rendering: optimizeLegibility;
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }

:focus-visible { outline: 2px solid var(--black); outline-offset: 2px; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.eyebrow {
  margin: 0 0 10px;
  font: 10px/1.2 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.symbol, [data-symbol], .icon, svg {
  color: var(--symbol-color);
}

svg { fill: currentColor; stroke: currentColor; }

@media (max-width: 620px) {
  :root { --header-height: var(--header-height-mobile); }
}