.codex-intensity-selector {
  --codex-fg: var(--g-fg, rgba(15, 23, 42, 0.92));
  --codex-muted: var(--g-muted, rgba(100, 116, 139, 0.9));
  --codex-accent: var(--g-accent, var(--primary-color, rgb(34, 197, 94)));
  --codex-accent-strong: var(--g-accent-strong, var(--secondary-color, var(--codex-accent)));
  --codex-pill: var(--g-pill, 9999px);
  --codex-radius-md: var(--g-radius-md, 14px);
}

.codex-intensity-join {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--codex-pill);
  border: 1px solid color-mix(in oklch, var(--codex-fg) 10%, transparent);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(6px);
}

.codex-intensity-btn {
  appearance: none;
  border: 0;
  border-radius: var(--codex-pill);
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1;
  background: transparent;
  color: color-mix(in oklch, var(--codex-fg) 62%, transparent);
  transition: background 160ms ease, color 160ms ease;
  cursor: pointer;
  user-select: none;
}

.codex-intensity-btn:hover {
  background: color-mix(in oklch, var(--codex-accent) 12%, #fff);
  color: var(--codex-fg);
}

.codex-intensity-btn.is-active {
  background: linear-gradient(120deg, var(--codex-accent), color-mix(in oklch, var(--codex-accent), #fff 18%));
  color: #fff;
  box-shadow: 0 10px 22px color-mix(in oklch, var(--codex-accent) 25%, transparent);
}

.codex-intensity-btn.is-active:hover {
  background: linear-gradient(120deg, var(--codex-accent-strong), color-mix(in oklch, var(--codex-accent-strong), #fff 18%));
}

.codex-intensity-help {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.codex-intensity-help-btn {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid color-mix(in oklch, var(--codex-fg) 10%, transparent);
  background: rgba(255, 255, 255, 0.78);
  color: color-mix(in oklch, var(--codex-fg) 70%, transparent);
  cursor: help;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.codex-intensity-help-btn:hover,
.codex-intensity-help:focus-within .codex-intensity-help-btn {
  background: rgba(255, 255, 255, 0.92);
  border-color: color-mix(in oklch, var(--codex-accent) 30%, transparent);
  color: var(--codex-fg);
}

.codex-intensity-help-popover {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translate(-50%, 6px);
  min-width: 220px;
  max-width: min(360px, 70vw);
  padding: 10px 12px;
  border-radius: var(--codex-radius-md);
  border: 1px solid color-mix(in oklch, var(--codex-fg) 10%, transparent);
  background: rgba(255, 255, 255, 0.98);
  color: color-mix(in oklch, var(--codex-fg) 92%, transparent);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.14);
  font-size: 0.78rem;
  line-height: 1.25rem;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
  z-index: 40;
  white-space: normal;
}

.codex-intensity-help-popover::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  background: rgba(255, 255, 255, 0.98);
  border-left: 1px solid color-mix(in oklch, var(--codex-fg) 10%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--codex-fg) 10%, transparent);
  rotate: 45deg;
}

.codex-intensity-help:hover .codex-intensity-help-popover,
.codex-intensity-help:focus-within .codex-intensity-help-popover {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}