.ab-btn,
.ab-button {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: var(--ab-control-height);
  align-items: center;
  justify-content: center;
  gap: var(--ab-space-2);
  border: 0;
  border-radius: var(--ab-radius-pill);
  padding: 0.72rem 1.2rem;
  font: var(--ab-font-weight-semibold) 0.875rem / 1 var(--ab-font-body);
  letter-spacing: -0.01em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.ab-btn:hover,
.ab-button:hover {
  transform: translateY(-1px);
}

.ab-btn:active,
.ab-button:active {
  transform: translateY(0);
}

.ab-btn:focus-visible,
.ab-button:focus-visible {
  outline: 0;
  box-shadow: var(--ab-shadow-focus);
}

.ab-btn--primary,
.ab-button--primary {
  color: var(--ab-color-text-inverse);
  background: linear-gradient(135deg, var(--ab-color-cyan-soft), var(--ab-color-bridge-cyan));
  box-shadow: var(--ab-shadow-button);
}

.ab-btn--primary:hover,
.ab-button--primary:hover {
  background: linear-gradient(135deg, #b5f4ff, var(--ab-color-bridge-cyan));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 14px 36px -14px rgba(0, 212, 255, 0.9);
}

.ab-btn--ghost,
.ab-button--ghost,
.ab-button--secondary {
  color: var(--ab-color-text-headline);
  background: var(--ab-color-glass-elevated);
  box-shadow:
    inset 0 1px 0 rgba(234, 247, 255, 0.13),
    inset 0 0 0 1px var(--ab-color-hairline);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.ab-btn--ghost:hover,
.ab-button--ghost:hover,
.ab-button--secondary:hover {
  background: var(--ab-color-glass-strong);
  box-shadow:
    inset 0 1px 0 rgba(234, 247, 255, 0.17),
    inset 0 0 0 1px var(--ab-color-hairline-strong);
}

.ab-btn[disabled],
.ab-btn[aria-disabled="true"],
.ab-button[disabled],
.ab-button[aria-disabled="true"] {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .ab-btn,
  .ab-button {
    transition: none;
  }
}