/* Reset, typography and spacing scale. Colours come from tokens.css only.
 * Fonts: self-hosted Inter and JetBrains Mono, variable, subset to Latin +
 * Latin Extended-A (docs/04 "Typography", provenance in docs/40). The
 * asset server rewrites the url()s below to the files' hashed names. */

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-var.4aa85e918af6a1c6.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-var.7b553dd3700642e6.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  /* Spacing follows the density setting (comfortable 1, compact 0.8). */
  --space-1: calc(0.25rem * var(--space-density-factor));
  --space-2: calc(0.5rem * var(--space-density-factor));
  --space-3: calc(0.75rem * var(--space-density-factor));
  --space-4: calc(1rem * var(--space-density-factor));
  --space-5: calc(1.5rem * var(--space-density-factor));
  --space-6: calc(2rem * var(--space-density-factor));

  /* Type scale for Inter at a 14 px base: dense admin rows, no marketing
   * sizes (docs/04 "Typography"). */
  --text-xs: 0.75rem;     /* 12 px: labels, meta */
  --text-sm: 0.8125rem;   /* 13 px: secondary text, controls */
  --text-base: 0.875rem;  /* 14 px: body, rows */
  --text-lg: 1.0625rem;   /* 17 px: section headings */
  --text-xl: 1.375rem;    /* 22 px: page title */

  /* Controls: compact with a mouse, touch-sized on touch screens. */
  --control-h: 2.25rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, ul, ol, dl, figure, pre {
  margin: 0;
}

@media (pointer: coarse) {
  :root {
    --control-h: 2.75rem;
  }
}

h1 { font-size: var(--text-xl); line-height: 1.25; font-weight: 600; letter-spacing: -0.015em; }
h2 { font-size: var(--text-lg); line-height: 1.3; font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: var(--text-base); line-height: 1.4; font-weight: 600; }

ul[role="list"], ol[role="list"] {
  list-style: none;
  padding: 0;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.875em; /* JetBrains Mono sets larger than Inter */
}

img, svg {
  display: block;
  max-width: 100%;
}

/* Inline Lucide icons (templates/icons.templ): text-sized, text-coloured. */
.icon {
  display: inline-block;
  flex: none;
  width: 1.125em;
  height: 1.125em;
  vertical-align: -0.2em;
}

/* Terminal sets the whole UI in mono (docs/05 "Terminal"). */
[data-theme="terminal"] body {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

/* Motion (docs/04 "Motion"): durations and easing for state changes. */
:root {
  --motion-fast: 160ms;
  --motion-settle: 420ms;
  --ease-settle: cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

/* Numbers that line up in columns: latency, uptime, counts. */
.num {
  font-variant-numeric: tabular-nums;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

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

/* htmx request indicators. htmx's own injected <style> is disabled by the
 * CSP (htmx-config includeIndicatorStyles:false), so the rules live here. */
.htmx-indicator {
  opacity: 0;
}
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  opacity: 1;
  transition: opacity 200ms ease-in;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}