/* ============================================================
   Base element styles + layout utilities.
   Everything here is token-driven, so both themes inherit.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* The `hidden` attribute must win over any component display rule. A
   class selector outranks the UA's `[hidden]`, so without this a
   `display: flex` container silently ignores being hidden. */
[hidden] { display: none !important; }

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

body {
  font: var(--font-body);
  font-family: var(--font-sans);
  color: var(--text-body);
  background: var(--surface-page);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background var(--duration-slow) var(--ease-standard),
              color var(--duration-slow) var(--ease-standard);
}

h1, h2, h3, h4, h5, h6 { color: var(--text-strong); font-family: var(--font-sans); }
h1 { font: var(--font-h1); }
h2 { font: var(--font-h2); }
h3 { font: var(--font-h3); }
h4 { font: var(--font-h4); }
p  { text-wrap: pretty; }

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}
a:hover { color: var(--color-primary-active); }

::selection { background: var(--color-primary-tint); color: var(--text-strong); }

/* An icon with no explicit size and no component rule sizes to the text
   around it, rather than stretching to fill whatever box it landed in.
   Component rules (.btn__icon, .iconbtn svg, …) load later and win. */
svg:not([width]) { width: 1em; height: 1em; flex: 0 0 auto; }
svg { vertical-align: middle; }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* Scrollbars — thin, themed, never a bright slab in dark mode. */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: var(--radius-pill);
  border: 3px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--border-strong); background-clip: content-box; }

/* ---------- Type utilities ---------- */
.tx-eyebrow {
  font: var(--font-overline);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-subtle);
}
.tx-mono    { font-family: var(--font-mono); font-size: 0.92em; letter-spacing: 0; }
.tx-num     { font-variant-numeric: tabular-nums; }
.tx-muted   { color: var(--text-muted); }
.tx-subtle  { color: var(--text-subtle); }
.tx-strong  { color: var(--text-strong); font-weight: var(--weight-medium); }
.tx-caption { font: var(--font-caption); color: var(--text-muted); }
.tx-label   { font: var(--font-label); }
.tx-pos     { color: var(--status-success-fg); }
.tx-neg     { color: var(--status-danger-fg); }
.truncate   { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Layout utilities ---------- */
.stack     { display: flex; flex-direction: column; gap: var(--space-5); }
.stack--sm { gap: var(--space-3); }
.stack--lg { gap: var(--space-7); }
.row       { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.row--between { justify-content: space-between; }
.row--end     { justify-content: flex-end; }
.row--nowrap  { flex-wrap: nowrap; }
.row--top     { align-items: flex-start; }
.grow      { flex: 1 1 auto; min-width: 0; }
.spacer    { flex: 1 1 auto; }
.hidden    { display: none !important; }

.grid { display: grid; gap: var(--space-5); }
.grid--kpi  { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid--2    { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3    { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4    { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--7-5  { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.grid--8-4  { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
.grid--form { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.grid--form > .span-2 { grid-column: 1 / -1; }

@media (max-width: 1240px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .grid--2, .grid--3, .grid--7-5, .grid--8-4, .grid--form { grid-template-columns: 1fr; }
}

/* ---------- Print ---------- */
@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
}