/* Reset and typography */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* --vh is set by JS to window.innerHeight (actual visible height).
     Fallback to 100vh for non-JS or desktop. */
  height: var(--vh, 100vh);
  overflow: hidden;
  background: var(--bg-primary);
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  margin: 0;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

::selection {
  background: var(--accent-dim);
  color: var(--text-primary);
}