/* Colour, type and spacing tokens. */

@font-face {
  font-family: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/barlow-semi-condensed-500.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: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/barlow-semi-condensed-ext-500.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, 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: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-semi-condensed-600.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: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-semi-condensed-ext-600.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, 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;
}

:root {
  /* surfaces */
  --bg: #0a0a0b;
  --panel: #141416;
  --slab: #222225;
  --slab-hi: #2e2e32;
  --line: #34343a;

  /* text */
  --text: #ececec;
  --muted: #8c8c93;
  --dim: #5a5a60;

  /* selection: white slab, black text */
  --sel-bg: #f0f0f0;
  --sel-fg: #0a0a0b;

  /* running states: playing, learning, countdown. No red anywhere. */
  --live: #ffb000;
  --live-fg: #0a0a0b;

  /* shape */
  --r-slab: 2px;
  --r-panel: 4px;
  --shadow-float: 0 8px 28px rgba(0, 0, 0, 0.55);

  /* type */
  --font-ui: 'Barlow Semi Condensed', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, Cambria, 'Times New Roman', serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, 'Liberation Mono', 'Courier New', monospace;
  --fs-label: 13px;
  --fs-ui: 15px;
  --fs-value: 17px;
  --track: 0.06em;

  /* spacing */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --touch: 44px;

  /* safe areas */
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);

  /* motion */
  --t-panel: 160ms;
  --t-page: 120ms;

  color-scheme: dark;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --t-panel: 0ms;
    --t-page: 0ms;
  }
}