/* ==========================================================================
   Reset & base typography
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
img { max-width: 100%; display: block; }
svg { display: block; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--brand-100); }

/* Scrollbars */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-full); }
*::-webkit-scrollbar-track { background: transparent; }

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

/* ==========================================================================
   Utility classes
   ========================================================================== */
.u-flex { display: flex; }
.u-flex-col { display: flex; flex-direction: column; }
.u-items-center { align-items: center; }
.u-justify-between { justify-content: space-between; }
.u-justify-end { justify-content: flex-end; }
.u-gap-1 { gap: var(--space-1); }
.u-gap-2 { gap: var(--space-2); }
.u-gap-3 { gap: var(--space-3); }
.u-gap-4 { gap: var(--space-4); }
.u-gap-6 { gap: var(--space-6); }
.u-wrap { flex-wrap: wrap; }
.u-mt-2 { margin-top: var(--space-2); }
.u-mt-4 { margin-top: var(--space-4); }
.u-mt-6 { margin-top: var(--space-6); }
.u-mb-2 { margin-bottom: var(--space-2); }
.u-mb-4 { margin-bottom: var(--space-4); }
.u-w-full { width: 100%; }
.u-text-muted { color: var(--text-muted); }
.u-text-secondary { color: var(--text-secondary); }
.u-text-sm { font-size: var(--fs-sm); }
.u-text-xs { font-size: var(--fs-xs); }
.u-text-right { text-align: right; }
.u-text-center { text-align: center; }
.u-fw-600 { font-weight: 600; }
.u-fw-500 { font-weight: 500; }
.u-nowrap { white-space: nowrap; }
.u-hide-mobile { }
.u-hide-desktop { display: none !important; }
.u-scroll-x { overflow-x: auto; }
.u-tabular { font-variant-numeric: tabular-nums; }

@media (max-width: 900px) {
  .u-hide-mobile { display: none !important; }
  .u-hide-desktop { display: block !important; }
}