/* First basket popup – центрирование, overlay */

:root {
  --first-basket-overlay-bg: rgba(0, 0, 0, 0.5);
  --first-basket-box-bg: #fff;
  --first-basket-box-padding: 1.5rem;
  --first-basket-box-radius: 0.5rem;
  --first-basket-box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.2);
  --first-basket-box-max-inline-size: min(90vw, 32rem);
}

.first-basket-popup {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--first-basket-overlay-bg);
  z-index: 1100;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.2s, opacity 0.2s;
}

.first-basket-popup.is-open {
  visibility: visible;
  opacity: 1;
}

.first-basket-popup[hidden] {
  display: none;
}

.first-basket-popup.is-open .first-basket-popup__box {
  transform: scale(1);
}

.first-basket-popup__box {
  background: var(--first-basket-box-bg);
  padding: var(--first-basket-box-padding);
  border-radius: var(--first-basket-box-radius);
  box-shadow: var(--first-basket-box-shadow);
  max-inline-size: var(--first-basket-box-max-inline-size);
  max-block-size: min(85vh, 90%);
  overflow: auto;
  transform: scale(0.95);
  transition: transform 0.2s;
}

/* Контент для последующей вёрстки */
.first-basket-popup__content {
  /* placeholder */
}