/* PHASE 1 — variables only. Safe before legacy CSS; no legacy variables redefined.
   Default: dark. Opt into light with <html data-ab-theme="light">.
   Existing pages are not opted in or restyled by this file. */
:root {
  --ab-brand: #F5A524;
  --ab-domain-mechanical: #5AA9E6;
  --ab-domain-fluid: #2EC4B6;
  --ab-domain-electrical: #A78BFA;
  --ab-domain-programming: #F472B6;
  --ab-domain-nuclear: #9CCC9C;
  --ab-font-heading: 'Manrope', 'Arial', sans-serif;
  --ab-font-body: 'Inter', 'Arial', sans-serif;
  --ab-font-mono: 'IBM Plex Mono', 'Consolas', monospace;
  --ab-type-sm: .875rem;
  --ab-type-base: 1rem;
  --ab-type-lead: 1.125rem;
  --ab-type-h3: 1.5rem;
  --ab-type-h2: clamp(1.75rem, 1.4rem + 1.3vw, 2.25rem);
  --ab-type-h1: clamp(2.25rem, 1.6rem + 2.8vw, 3.75rem);
  --ab-leading-body: 1.7;
  --ab-leading-heading: 1.15;
  --ab-tracking-heading: -.03em;
  --ab-space-1: .25rem; --ab-space-2: .5rem; --ab-space-3: .75rem;
  --ab-space-4: 1rem; --ab-space-6: 1.5rem; --ab-space-8: 2rem;
  --ab-space-12: 3rem; --ab-space-16: 4rem; --ab-space-24: 6rem;
  --ab-radius-sm: .25rem; --ab-radius-md: .5rem; --ab-radius-pill: 999px;
  --ab-content-wide: 72rem; --ab-content-reading: 65ch;
  --ab-target: 2.75rem;
  --ab-duration-fast: 140ms; --ab-duration-normal: 220ms;
  --ab-ease: cubic-bezier(.2, .7, .2, 1);
  --ab-bg: #111C27; --ab-surface: #182633; --ab-surface-raised: #203241;
  --ab-text: #F6F4EF; --ab-text-muted: #B7C4CE;
  --ab-line: #405363; --ab-control-line: #8293A1;
  --ab-link: #F5A524; --ab-link-hover: #FFD18A;
  --ab-button-bg: #F5A524; --ab-button-hover: #FFD18A; --ab-on-accent: #111C27;
  --ab-focus: #F5A524; --ab-focus-guard: #111C27;
  --ab-verified-bg: #18382A; --ab-verified-fg: #A8E4B8;
  --ab-assumed-bg: #382A15; --ab-assumed-fg: #FFD187;
  --ab-untested-bg: #3D2025; --ab-untested-fg: #FFB4B4;
  --ab-domain-mechanical-text: #5AA9E6; --ab-domain-fluid-text: #2EC4B6;
  --ab-domain-electrical-text: #A78BFA; --ab-domain-programming-text: #F472B6;
  --ab-domain-nuclear-text: #9CCC9C;
  --ab-shadow: 0 12px 36px rgb(0 0 0 / .22);
}
:root[data-ab-theme="light"] {
  --ab-bg: #F6F4EF; --ab-surface: #FFFFFF; --ab-surface-raised: #EEEAE2;
  --ab-text: #111C27; --ab-text-muted: #495A68;
  --ab-line: #C9C5BC; --ab-control-line: #65727C;
  --ab-link: #875100; --ab-link-hover: #623A00;
  --ab-verified-bg: #E6F2E8; --ab-verified-fg: #235C36;
  --ab-assumed-bg: #FFF0D4; --ab-assumed-fg: #754700;
  --ab-untested-bg: #FBE7E7; --ab-untested-fg: #92333A;
  --ab-domain-mechanical-text: #236390; --ab-domain-fluid-text: #086E63;
  --ab-domain-electrical-text: #6348A3; --ab-domain-programming-text: #963666;
  --ab-domain-nuclear-text: #386B38;
  --ab-shadow: 0 12px 36px rgb(17 28 39 / .08);
}
@media (prefers-reduced-motion: reduce) {
  :root { --ab-duration-fast: 0ms; --ab-duration-normal: 0ms; }
}
/* General & career: neutral category, never an evidence status. */
:root{--ab-domain-general:#B7C4CE;--ab-domain-general-text:#B7C4CE}
:root[data-ab-theme="light"]{--ab-domain-general-text:#495A68}