/* ============================================================================
   base.css — resets and element defaults. References tokens only.
   ============================================================================ */

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

html,
body {
  margin: 0;
  padding: 0;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-tight);
  color: var(--foreground);
}

p { margin: 0; }

/* Lock background scroll while a drawer/overlay is open */
body.drawer-open { overflow: hidden; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

canvas { display: block; }

/* Icon primitive: inline SVG sprite consumers */
.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.15em;
}

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

/* Thin, theme-aware scrollbars for scrolling regions */
.scroll-y { overflow-y: auto; }
.scroll-y::-webkit-scrollbar { width: 8px; height: 8px; }
.scroll-y::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--muted-foreground) 35%, transparent);
  border-radius: var(--radius-pill);
}
.scroll-y::-webkit-scrollbar-track { background: transparent; }

/* Utility: visually hidden but accessible */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}