.specular-button {
  --sb-radius: 18px;
  --sb-tint: #ffffff;
  --sb-tint-opacity: 0.04;
  --sb-blur: 0px;
  --sb-text-color: #f5f5f5;

  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  margin: 0;
  border: 0;
  border-radius: var(--sb-radius);
  font: inherit;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--sb-text-color);
  background: color-mix(in srgb, var(--sb-tint) calc(var(--sb-tint-opacity) * 100%), transparent);
  box-shadow: 0 10px 24px -14px rgba(0, 0, 0, 0.45);
  -webkit-backdrop-filter: blur(var(--sb-blur));
  backdrop-filter: blur(var(--sb-blur));
  cursor: pointer;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.specular-button:active {
  transform: scale(0.97);
}

.specular-button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--sb-text-color) 55%, transparent);
  outline-offset: 3px;
}

.specular-button:disabled {
  opacity: 0.5;
  cursor: default;
}

.specular-button:disabled:active {
  transform: none;
}

.specular-button--sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.specular-button--md {
  padding: 14px 28px;
  font-size: 1rem;
}

.specular-button--lg {
  padding: 18px 38px;
  font-size: 1.125rem;
}

.specular-button__light {
  position: absolute;
  inset: -24px;
  z-index: 1;
  display: block;
  width: calc(100% + 48px);
  height: calc(100% + 48px);
  pointer-events: none;
}

.specular-button__label {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: inherit;
}