/* Elko Relay — Switchboard tokens (§17), HUD chassis skin.
   Dark near-black panels, near-white primary text, neon cyan/amber/red accents.
   High contrast (≥7:1 secondary). Not flat white SaaS; not muddy indigo-on-indigo. */

@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 600 750;
  font-display: swap;
  src: local("Bricolage Grotesque"), local("Segoe UI"), local("Helvetica Neue");
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: local("Atkinson Hyperlegible"), local("Atkinson Hyperlegible Next"), local("Segoe UI"), local("Helvetica Neue");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local("JetBrains Mono"), local("ui-monospace"), local("Menlo");
}

:root {
  color-scheme: dark;

  /* Chassis — deep charcoal / near-black */
  --paper: #07090E;
  --surface: #10141C;
  --sunken: #05070B;
  --elevated: #171C27;
  --line: #2A3344;
  --line-strong: #3D4A62;
  --glow: color-mix(in oklab, var(--cyan) 45%, transparent);
  --bevel-hi: rgba(255, 255, 255, 0.06);
  --bevel-lo: rgba(0, 0, 0, 0.45);

  /* Foreground — explicit pair for contrast-safe surface switching. */
  --ink-on-dark: #F0F4FF;
  --ink-on-light: #111827;
  --selected-chip-bg: #F0F4FF;
  --ledger-fact-ink: #F0F4FF;
  --ink: var(--ink-on-dark);
  --ink-2: #C5CEE0;
  --ink-3: #9AA6BD;

  /* Neon accents */
  --cyan: #3DE0FF;
  --cyan-dim: #1AA8C4;
  --amber: #FFB020;
  --bolt: #FFB020;
  --bolt-deep: #D4890A;
  --accent: #FF3B4A;
  --accent-ink: #FFFFFF;

  --ok: oklch(0.72 0.16 145);
  --info: var(--cyan);
  --warn: var(--amber);
  --error: #FF3B4A;

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible Next", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;

  --object-rail: 168px;
  --ws-strip: 56px;
  --rail: 248px;
  --chat-col: 400px;
  --drawer: 420px; /* right pane min when open; 1fr fills rest */

  --wire-h: 200;
  --wire: oklch(0.78 0.14 var(--wire-h));
  --wire-tint: oklch(0.28 0.05 var(--wire-h));
  --wire-ink: oklch(0.88 0.08 var(--wire-h));

  --ease: cubic-bezier(.2,.8,.2,1);
  --dur: 180ms;

  --panel-shadow:
    inset 0 1px 0 var(--bevel-hi),
    inset 0 -1px 0 var(--bevel-lo),
    0 0 0 1px color-mix(in oklab, var(--cyan) 18%, transparent),
    0 0 24px color-mix(in oklab, var(--cyan) 8%, transparent);
}

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(1200px 600px at 10% -10%, color-mix(in oklab, var(--cyan) 12%, transparent), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, color-mix(in oklab, var(--amber) 8%, transparent), transparent 55%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100%;
}

* { box-sizing: border-box; }

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

::placeholder {
  color: var(--ink-3);
  opacity: 1;
}

a {
  color: var(--cyan);
  font-weight: 600;
}
a:hover {
  color: color-mix(in oklab, var(--cyan) 80%, #fff);
}

code, .mono, .channel-meta, .msg-time, .form-hint, .auth-meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

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