.hh-sticky-atc {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9990;
  background: var(--hh-black-deep);
  border-top: 3px solid var(--hh-yellow);
  padding: 0.875rem 1.5rem;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.5);
}

.hh-sticky-atc.is-visible {
  transform: translateY(0);
}

.hh-sticky-atc__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hh-sticky-atc__img {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--hh-black-soft);
  border: 1px solid var(--hh-gray-700);
}

.hh-sticky-atc__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hh-sticky-atc__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hh-sticky-atc__name {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--hh-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hh-sticky-atc__price {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--hh-yellow);
}

.hh-sticky-atc__price ins {
  text-decoration: none;
}

.hh-sticky-atc__price del {
  opacity: 0.5;
  font-size: 0.8rem;
  margin-right: 0.35rem;
}

.hh-sticky-atc__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  font-size: 0.9375rem;
  transition: background 0.2s ease, transform 0.15s ease;
}

.hh-sticky-atc__btn:active {
  transform: scale(0.97);
}

.hh-sticky-atc__btn.is-added {
  background: #22c55e;
  border-color: #22c55e;
}

@media (max-width: 768px) {
  .hh-sticky-atc {
    padding: 0.75rem 1rem;
  }

  .hh-sticky-atc__img {
    display: none;
  }

  .hh-sticky-atc__info {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .hh-sticky-atc__name {
    font-size: 0.875rem;
  }

  .hh-sticky-atc__price {
    font-size: 0.8rem;
  }

  .hh-sticky-atc__btn {
    padding: 0.6rem 1.1rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .hh-sticky-atc__inner {
    gap: 0.75rem;
  }

  .hh-sticky-atc__info {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
  }
}