/* css/base.css
 * Reset + base element styles.
 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(ellipse at top, #0b0f16 0%, var(--bg-void) 55%, #020304 100%);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
p {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

button:focus-visible,
.knob:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-panel-raised);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6em 1.1em;
  transition: transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.btn:hover {
  background: var(--bg-panel-hover);
}

.btn:active {
  transform: scale(0.96);
}

.btn--amber {
  border-color: color-mix(in srgb, var(--accent-amber) 45%, var(--border-strong));
  color: var(--accent-amber);
}

.btn--cyan {
  border-color: color-mix(in srgb, var(--accent-cyan) 45%, var(--border-strong));
  color: var(--accent-cyan);
}

.btn--red {
  border-color: color-mix(in srgb, var(--severity-catastrophic) 45%, var(--border-strong));
  color: var(--severity-catastrophic);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}