/*
 * Marlowe Keynes Network — Master Codex
 * Canonical UI foundation from the 2026-09-26 universal brief.
 */
:root {
  color-scheme: light dark;
  --mk-ink: #34322d;
  --mk-paper: #f8f8f7;
  --mk-accent: #0081f2;
  --mk-accent-hover: #1a93fe;
  --mk-muted: #858481;
  --mk-faint: #b9b9b7;
  --mk-border: #dadada;
  --mk-night: #1a1a19;

  /* marloweprep.com semantic accents: never used as primary actions. */
  --mk-navy: #20364a; /* trusted institutional context and report chrome */
  --mk-orange: #a54400; /* earnings-time and time-sensitive data signals */

  --mk-font-editorial: "EB Garamond", Garamond, Georgia, serif;
  --mk-font-ui:
    Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mk-font-data: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --mk-reader-measure: 70ch;
  --mk-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

html {
  background: var(--mk-paper);
  color: var(--mk-ink);
  font-family: var(--mk-font-ui);
  text-rendering: optimizeLegibility;
}

body {
  background: var(--mk-paper);
  color: var(--mk-ink);
  line-height: 1.6;
}

::selection {
  background: color-mix(in srgb, var(--mk-accent) 24%, var(--mk-paper));
  color: var(--mk-ink);
}

:where(
  a,
  button,
  input,
  select,
  textarea,
  summary,
  [role="button"],
  [tabindex]
):focus-visible {
  outline: 2px solid var(--mk-accent);
  outline-offset: 2px;
}

:where(table) {
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

:where(thead) {
  position: sticky;
  top: 0;
  z-index: 1;
}

:where(th, td) {
  border-color: var(--mk-border);
}

:where(tbody tr) {
  transition: background-color 140ms ease;
}

:where(tbody tr:hover) {
  background: color-mix(in srgb, var(--mk-paper) 82%, var(--mk-accent) 18%);
}

.mk-data-number,
.font-mono,
[class*="font-mono"] {
  font-family: var(--mk-font-data);
  font-variant-numeric: tabular-nums;
}

.mk-reader-surface {
  max-width: var(--mk-reader-measure);
}

.mk-card,
.mk-data-surface {
  border: 1px solid var(--mk-border);
  box-shadow: var(--mk-shadow);
}

.mk-skeleton {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--mk-border) 55%, var(--mk-paper)) 25%,
    var(--mk-paper) 50%,
    color-mix(in srgb, var(--mk-border) 55%, var(--mk-paper)) 75%
  );
  background-size: 200% 100%;
  animation: mk-skeleton-shift 1.5s ease-in-out infinite;
}

@keyframes mk-skeleton-shift {
  from {
    background-position: 200% 0;
  }
  to {
    background-position: -200% 0;
  }
}

.dark {
  color-scheme: dark;
  --mk-ink: #f2f1ed;
  --mk-paper: #1a1a19;
  --mk-muted: #b5b3ad;
  --mk-faint: #8f8d87;
  --mk-border: #44423e;
  --mk-navy: #a9c9e6;
  --mk-orange: #ffad73;
  --mk-shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
}

.dark :where(tbody tr:hover) {
  background: color-mix(in srgb, var(--mk-night) 82%, var(--mk-accent) 18%);
}

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

@media print {
  :root,
  .dark {
    --mk-ink: #000;
    --mk-paper: #fff;
    --mk-muted: #555;
    --mk-faint: #777;
    --mk-border: #c8c8c8;
  }
}