/* ============================================================
   BASE — minimal resets + element defaults so any consumer that
   links styles.css inherits the Xhyzer look without extra work.
   ============================================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  margin: 0;
  color: var(--text-primary);
}

/* numeric / tabular contexts */
.mono, code, kbd, samp {
  font-family: var(--font-mono);
  font-feature-settings: var(--tabular);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}
a:hover { color: var(--accent-hover); }

::selection { background: var(--accent-soft); }

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

/* uppercase micro-label used everywhere for field/stat captions */
.xz-label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.pos  { color: var(--pos); }
.neg  { color: var(--neg); }
.warn { color: var(--warn); }
.zero { color: var(--text-tertiary); }