.button {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: fit-content;
  white-space: nowrap;
  border: 1px solid var(--button-border, transparent);
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--button-fg);
  font-family: var(--font-mono);
  font-weight: 500;
  line-height: 1;
  cursor: var(--cursor-hand);
  user-select: none;
  transform-origin: 50% 50%;
  will-change: transform;
  backface-visibility: hidden;
  transition:
    background-color 100ms ease,
    border-color 100ms ease,
    color 100ms ease;
}

.button:active:not(:disabled) {
  cursor: var(--cursor-hand-pressed);
}

.button:hover:not(:disabled) {
  background: var(--button-bg-hover);
  border-color: var(--button-border-hover, var(--button-border, transparent));
  color: var(--button-fg-hover, var(--button-fg));
}

.button:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 2px;
}

.button:disabled {
  pointer-events: none;
  opacity: 0.5;
}

.button svg {
  pointer-events: none;
  flex-shrink: 0;
  width: 1em;
  height: 1em;
}

/* Sizes. md matches the search input's height so the two line up in a row. */

.sm {
  height: 2rem;
  padding: 0 0.7rem;
  font-size: 0.75rem;
}

.md {
  height: 2.25rem;
  padding: 0 0.9rem;
  font-size: 0.8rem;
}

.lg {
  height: 2.6rem;
  padding: 0 1.15rem;
  font-size: 0.875rem;
}

/* Icon-only collapses the box to a circle; width has to track the size class. */

.iconOnly {
  padding: 0;
}

.iconOnly.sm {
  width: 2rem;
}

.iconOnly.md {
  width: 2.25rem;
}

.iconOnly.lg {
  width: 2.6rem;
}

/* Variants. The palette only has two accents (--grass, --danger), so success
   reads as a synonym for primary by design rather than by accident. */

.primary {
  --button-bg: var(--grass);
  --button-bg-hover: color-mix(in srgb, var(--grass) 85%, #fff);
  --button-fg: var(--bg);
}

.secondary {
  --button-bg: var(--raised);
  --button-bg-hover: var(--raised);
  --button-border: var(--border);
  --button-border-hover: #3f3f46;
  --button-fg: var(--text-dim);
  --button-fg-hover: var(--text);
}

.outline {
  --button-bg: transparent;
  --button-bg-hover: var(--raised);
  --button-border: var(--border);
  --button-border-hover: #3f3f46;
  --button-fg: var(--text-dim);
  --button-fg-hover: var(--text);
}

.ghost {
  --button-bg: transparent;
  --button-bg-hover: var(--raised);
  --button-fg: var(--text-dim);
  --button-fg-hover: var(--text);
}

.success {
  --button-bg: var(--grass);
  --button-bg-hover: color-mix(in srgb, var(--grass) 85%, #fff);
  --button-fg: var(--bg);
}

.successSoft {
  --button-bg: color-mix(in srgb, var(--grass) 12%, transparent);
  --button-bg-hover: color-mix(in srgb, var(--grass) 20%, transparent);
  --button-border: color-mix(in srgb, var(--grass) 35%, transparent);
  --button-fg: var(--grass);
}

.danger {
  --button-bg: var(--danger);
  --button-bg-hover: color-mix(in srgb, var(--danger) 85%, #fff);
  --button-fg: var(--bg);
}

.dangerSoft {
  --button-bg: color-mix(in srgb, var(--danger) 12%, transparent);
  --button-bg-hover: color-mix(in srgb, var(--danger) 20%, transparent);
  --button-border: color-mix(in srgb, var(--danger) 35%, transparent);
  --button-fg: var(--danger);
}