canonrs-server 0.1.0

CanonRS server-side rendering support
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/* ═══════════════════════════════════════════════════════════════
   BUTTON GROUP — Family C Forms tokens compliant
   State via data-rs-state — zero pseudo-class state selectors
   ═══════════════════════════════════════════════════════════════ */

[data-rs-button-group] {
  display: inline-flex;
  flex-direction: var(--button-group-direction);
  align-items: var(--button-group-align);
  gap: var(--button-group-gap);
  border-radius: var(--button-radius);
}

/* ── ATTACHED — merged borders ──────────────────────────────── */
[data-rs-button-group][data-rs-state~="attached"] {
  gap: 0;
}

[data-rs-button-group][data-rs-state~="attached"] [data-rs-button] {
  border-radius: var(--button-group-radius-merge);
  margin-left: var(--button-group-border-overlap);
}

[data-rs-button-group][data-rs-state~="attached"] [data-rs-button][data-rs-state~="first"] {
  border-start-start-radius: var(--button-radius);
  border-end-start-radius: var(--button-radius);
  margin-left: 0;
}

[data-rs-button-group][data-rs-state~="attached"] [data-rs-button][data-rs-state~="last"] {
  border-start-end-radius: var(--button-radius);
  border-end-end-radius: var(--button-radius);
}

/* ── z-index base ───────────────────────────────────────────── */
[data-rs-button-group][data-rs-state~="attached"] [data-rs-button] {
  position: relative;
  z-index: 0;
}

/* ── z-index elevation on hover/focus ──────────────────────── */
[data-rs-button-group][data-rs-state~="attached"] [data-rs-button][data-rs-state~="hover"],
[data-rs-button-group][data-rs-state~="attached"] [data-rs-button][data-rs-state~="focus"] {
  z-index: 1;
}

/* ── hover opacity ──────────────────────────────────────────── */
[data-rs-button-group][data-rs-state~="attached"] [data-rs-button][data-rs-state~="hover"]:not([data-rs-state~="disabled"]):not([data-rs-variant="ghost"]):not([data-rs-variant="link"]) {
  opacity: var(--opacity-hover);
}

/* ── focus ring ─────────────────────────────────────────────── */
[data-rs-button-group][data-rs-state~="attached"] [data-rs-button][data-rs-state~="focus"] {
  outline: none;
  box-shadow: var(--focus-ring-shadow);
}