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

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

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg-decor), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  line-height: var(--lh-tight);
  font-weight: var(--fw-semibold);
}

h1 { font-size: var(--fs-xl); }
h2 { font-size: var(--fs-lg); }
h3 { font-size: var(--fs-base); }

p { margin: 0; }

a {
  color: var(--text-on-surface-accent);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; }
button:disabled { cursor: not-allowed; }

img { display: block; max-width: 100%; }

svg.icon {
  width: 18px;
  height: 18px;
  flex: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

svg.icon.sm { width: 14px; height: 14px; }
svg.icon.lg { width: 22px; height: 22px; }

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

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: var(--scrollbar);
  border-radius: var(--r-pill);
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-track { background: transparent; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.muted { color: var(--text-muted); }
.faint { color: var(--text-faint); }
.mono { font-family: var(--font-mono); }
.nowrap { white-space: nowrap; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grow { flex: 1 1 auto; min-width: 0; }
.row { display: flex; align-items: center; gap: var(--sp-2); }
.stack { display: flex; flex-direction: column; gap: var(--sp-3); }
.hidden { display: none !important; }

kbd {
  display: inline-block;
  min-width: 20px;
  padding: 0 5px;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: var(--r-xs);
  background: var(--surface-2);
  color: var(--text-muted);
  font: var(--fw-medium) var(--fs-xs)/18px var(--font-mono);
  text-align: center;
}