/* Base reset + body + font loading */

@import url("https://fonts.googleapis.com/css2?family=Roboto+Flex:wght@400;500;600;700&family=Roboto+Mono:wght@400;500;600&display=swap");

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

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

/* The [hidden] attribute can be overridden by other display rules — enforce it. */
[hidden] { display: none !important; }

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

a:hover {
  text-decoration: underline;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.muted {
  color: var(--text-muted);
}

.secondary {
  color: var(--text-secondary);
}

/* Visually hidden but accessible to screen readers */
.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;
}