/* Hallmark · macrostructure: Instrument Panel (custom, bespoke) · nav: N3 side-rail + N4 hidden cmd-K · footer: Ft2 inline rule
 * theme: custom "Instrument / Oura" · paper-band: dark (light variant) · display: grotesk-sans, condensed width axis · accent hue: cool (periwinkle 278), Oura-like pastel set
 * genre: atmospheric-technical · tone: precise, calm, engineer-to-engineer
 * dials (taste): VARIANCE 4 · MOTION 3 · DENSITY 6
 * Hallmark · pre-emit critique: P5 H4 E4 S5 R4 V5
 * Previous build: Map/Diagram · Datasheet · light · Archivo · hue 50. Differs on paper band, display face and accent hue.
 */
@font-face { font-family: "Plex Sans"; src: url("../vendor/fonts/ibm-plex-sans-latin-standard-normal.woff2") format("woff2-variations"); font-weight: 100 700; font-stretch: 85% 100%; 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: "Plex Sans"; src: url("../vendor/fonts/ibm-plex-sans-latin-ext-standard-normal.woff2") format("woff2-variations"); font-weight: 100 700; font-stretch: 85% 100%; font-style: normal; font-display: swap; unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Plex Sans"; src: url("../vendor/fonts/ibm-plex-sans-latin-standard-italic.woff2") format("woff2-variations"); font-weight: 100 700; font-stretch: 85% 100%; font-style: italic; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("../vendor/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("../vendor/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("../vendor/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); font-weight: 600 700; font-display: swap; }

/* Dark is the native state: deep navy-black, warm off-white type, soft pastel signals (Oura-like). */
:root, :root[data-theme="dark"] {
  color-scheme: dark;
  --font-ui: "Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Plex Mono", ui-monospace, "Cascadia Mono", monospace;

  --bg: oklch(0.155 0.022 268);
  --rail: oklch(0.14 0.02 268);
  --panel: oklch(0.195 0.026 268);
  --panel-2: oklch(0.225 0.03 268);
  --panel-3: oklch(0.265 0.032 268);
  --line: oklch(0.29 0.03 268);
  --line-strong: oklch(0.4 0.035 268);
  --ink: oklch(0.95 0.01 85);
  --ink-2: oklch(0.8 0.018 268);
  --ink-3: oklch(0.65 0.022 268);
  --hi: oklch(1 0 0 / 0.05);
  --glow: linear-gradient(180deg, oklch(0.235 0.032 268), oklch(0.195 0.026 268) 70%);

  /* One accent: soft periwinkle (Oura sleep) */
  --accent: oklch(0.79 0.1 278);
  --accent-ink: oklch(0.82 0.09 278);
  --accent-dim: oklch(0.79 0.1 278 / 0.16);
  --on-accent: oklch(0.2 0.04 278);

  /* Second trace: readiness teal */
  --ch2: oklch(0.82 0.085 190);
  --ch2-dim: oklch(0.82 0.085 190 / 0.13);

  --ok: oklch(0.83 0.11 160);
  --ok-dim: oklch(0.83 0.11 160 / 0.14);
  --bad: oklch(0.76 0.12 20);
  --bad-dim: oklch(0.76 0.12 20 / 0.15);
  --warn: oklch(0.83 0.1 60);
  --warn-dim: oklch(0.83 0.1 60 / 0.13);
  --focus: var(--accent);

  --plot-bg: oklch(0.18 0.024 268);
  --plot-a: var(--accent);
  --plot-b: var(--ch2);
  --plot-c: oklch(0.83 0.1 60);
  --plot-grid: oklch(0.28 0.028 268);
  --plate: oklch(0.97 0.005 85);
  --scrim: oklch(0.1 0.02 268 / 0.6);

  --shadow-pop: 0 1px 0 var(--hi) inset, 0 4px 10px -4px oklch(0 0 0 / 0.5);

  --r: 14px;
  --r-sm: 10px;
  --r-pill: 999px;
  --rail-w: 240px;
  --measure: 72ch;
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px; --s8: 72px;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: oklch(0.975 0.006 85);
  --rail: oklch(0.955 0.008 85);
  --panel: oklch(0.995 0.003 85);
  --panel-2: oklch(0.965 0.008 268);
  --panel-3: oklch(0.935 0.012 268);
  --line: oklch(0.89 0.01 268);
  --line-strong: oklch(0.75 0.018 268);
  --ink: oklch(0.22 0.03 268);
  --ink-2: oklch(0.42 0.03 268);
  --ink-3: oklch(0.54 0.025 268);
  --hi: oklch(1 0 0 / 0.7);
  --glow: linear-gradient(180deg, oklch(0.995 0.003 85), oklch(0.975 0.008 268));
  --accent: oklch(0.62 0.13 278);
  --accent-ink: oklch(0.5 0.14 278);
  --accent-dim: oklch(0.62 0.13 278 / 0.12);
  --on-accent: oklch(0.99 0.005 85);
  --ch2: oklch(0.52 0.09 200);
  --ch2-dim: oklch(0.52 0.09 200 / 0.1);
  --ok: oklch(0.5 0.11 160);
  --ok-dim: oklch(0.5 0.11 160 / 0.1);
  --bad: oklch(0.55 0.15 20);
  --bad-dim: oklch(0.55 0.15 20 / 0.09);
  --warn: oklch(0.58 0.11 60);
  --warn-dim: oklch(0.75 0.1 60 / 0.15);
  --focus: oklch(0.55 0.14 278);
  --plot-bg: oklch(0.995 0.003 85);
  --plot-a: oklch(0.55 0.13 278);
  --plot-b: oklch(0.52 0.09 200);
  --plot-c: oklch(0.6 0.11 60);
  --plot-grid: oklch(0.9 0.008 268);
  --shadow-pop: 0 1px 2px oklch(0.3 0.03 268 / 0.08), 0 4px 10px -4px oklch(0.3 0.03 268 / 0.2);
}