.hsd-sticky-action-bar {
  --hsd-sticky-button-base: #f5562c;
  --hsd-sticky-text: #ffffff;
  --hsd-sticky-glass-blur: 14px;
  --hsd-sticky-glass-top: 16%;
  --hsd-sticky-glass-bottom: 42%;
  --hsd-sticky-glass-border: 46%;
  --hsd-sticky-glass-shadow: 22%;
  position: fixed;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 62;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 220ms ease;
}

.hsd-sticky-action-bar--bottom {
  bottom: 0;
  transform: translateY(18px);
}

.hsd-sticky-action-bar--top {
  top: 0;
  transform: translateY(-18px);
}

.hsd-sticky-action-bar--soft {
  --hsd-sticky-glass-blur: 8px;
  --hsd-sticky-glass-top: 10%;
  --hsd-sticky-glass-bottom: 56%;
  --hsd-sticky-glass-border: 34%;
  --hsd-sticky-glass-shadow: 16%;
}

.hsd-sticky-action-bar--medium {
  --hsd-sticky-glass-blur: 14px;
  --hsd-sticky-glass-top: 16%;
  --hsd-sticky-glass-bottom: 42%;
  --hsd-sticky-glass-border: 46%;
  --hsd-sticky-glass-shadow: 22%;
}

.hsd-sticky-action-bar--strong {
  --hsd-sticky-glass-blur: 20px;
  --hsd-sticky-glass-top: 22%;
  --hsd-sticky-glass-bottom: 30%;
  --hsd-sticky-glass-border: 58%;
  --hsd-sticky-glass-shadow: 28%;
}

.hsd-sticky-action-bar.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.hsd-sticky-action-bar__inner {
  width: auto;
  max-width: calc(100% - 1rem);
  margin: 0.5rem auto;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.hsd-sticky-action-bar__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  max-width: min(100vw - 1rem, 34rem);
  min-height: 3.2rem;
  padding: 0 1.3rem;
  border-radius: 999px;
  text-decoration: none;
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: normal;
  color: var(--hsd-sticky-text);
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.hsd-sticky-action-bar--solid .hsd-sticky-action-bar__button {
  background: var(--hsd-sticky-button-base);
  border: 1px solid color-mix(in srgb, var(--hsd-sticky-button-base) 72%, black 28%);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--hsd-sticky-button-base) 30%, transparent);
}

.hsd-sticky-action-bar--glass .hsd-sticky-action-bar__button {
  background: var(--hsd-sticky-button-base);
  border: 1px solid var(--hsd-sticky-button-base);
  box-shadow: 0 16px 36px color-mix(in srgb, var(--hsd-sticky-button-base) var(--hsd-sticky-glass-shadow), transparent);
  position: relative;
  overflow: hidden;
}

@supports (background: color-mix(in srgb, white 50%, black)) {
  .hsd-sticky-action-bar--glass .hsd-sticky-action-bar__button {
    background:
      linear-gradient(
        180deg,
        color-mix(in srgb, white calc(100% - var(--hsd-sticky-glass-top)), var(--hsd-sticky-button-base) var(--hsd-sticky-glass-top)) 0%,
        color-mix(in srgb, transparent calc(100% - var(--hsd-sticky-glass-bottom)), var(--hsd-sticky-button-base) var(--hsd-sticky-glass-bottom)) 100%
      );
    border: 1px solid color-mix(in srgb, white calc(100% - var(--hsd-sticky-glass-border)), var(--hsd-sticky-button-base) var(--hsd-sticky-glass-border));
    box-shadow: 0 16px 36px color-mix(in srgb, var(--hsd-sticky-button-base) var(--hsd-sticky-glass-shadow), transparent);
  }
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .hsd-sticky-action-bar--glass .hsd-sticky-action-bar__button {
    -webkit-backdrop-filter: blur(var(--hsd-sticky-glass-blur)) saturate(1.18);
    backdrop-filter: blur(var(--hsd-sticky-glass-blur)) saturate(1.18);
  }
}

.hsd-sticky-action-bar__button:hover,
.hsd-sticky-action-bar__button:focus-visible {
  transform: translateY(-1px);
}

.hsd-sticky-action-bar--solid .hsd-sticky-action-bar__button:hover,
.hsd-sticky-action-bar--solid .hsd-sticky-action-bar__button:focus-visible {
  box-shadow: 0 18px 34px color-mix(in srgb, var(--hsd-sticky-button-base) 38%, transparent);
}

.hsd-sticky-action-bar--glass .hsd-sticky-action-bar__button:hover,
.hsd-sticky-action-bar--glass .hsd-sticky-action-bar__button:focus-visible {
  box-shadow: 0 20px 40px color-mix(in srgb, var(--hsd-sticky-button-base) 32%, transparent);
}

.hsd-sticky-action-bar--safe-area.hsd-sticky-action-bar--bottom {
  padding-bottom: env(safe-area-inset-bottom);
}

.hsd-sticky-action-bar--safe-area.hsd-sticky-action-bar--top {
  padding-top: env(safe-area-inset-top);
}

.hsd-sticky-action-bar--mobile-only {
  display: none;
}

.hsd-sticky-action-bar--desktop-only {
  display: flex;
}

@media (max-width: 767px) {
  .hsd-sticky-action-bar--mobile-only,
  .hsd-sticky-action-bar:not(.hsd-sticky-action-bar--desktop-only) {
    display: flex;
  }

  .hsd-sticky-action-bar--desktop-only {
    display: none;
  }

  .hsd-sticky-action-bar__inner {
    max-width: calc(100% - 0.8rem);
    margin: 0.4rem auto;
  }

  .hsd-sticky-action-bar__button {
    max-width: calc(100vw - 0.8rem);
  }
}

@media (min-width: 768px) {
  .hsd-sticky-action-bar--mobile-only {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hsd-sticky-action-bar,
  .hsd-sticky-action-bar__button {
    transition: none;
  }
}