/**
 * 商品页：空购物车弹窗（sanxio 扩展）
 */
.sanxio-cart-empty-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}
.sanxio-cart-empty-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.sanxio-cart-empty-modal {
  width: 100%;
  max-width: 360px;
  background: var(--md-sys-color-surface, #fff);
  border-radius: var(--md-sys-shape-corner-large, 16px);
  box-shadow: var(--md-sys-elevation-level3);
  padding: 32px 24px;
  text-align: center;
}
.sanxio-cart-empty-modal__icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--md-sys-color-on-surface-variant, #757575);
}
.sanxio-cart-empty-modal__icon .material-symbols-outlined {
  font-size: 80px !important;
}
.sanxio-cart-empty-modal__title {
  font: 500 18px/26px var(--md-sys-typescale-title-medium-font);
  color: var(--md-sys-color-on-surface, #1c1b1f);
  margin: 0 0 8px;
}
.sanxio-cart-empty-modal__hint {
  font-size: 14px;
  color: var(--md-sys-color-on-surface-variant, #49454f);
  margin: 0 0 24px;
  line-height: 1.6;
}
.sanxio-cart-empty-modal__hint a {
  color: var(--md-sys-color-primary, #1976d2);
  text-decoration: none;
}
.sanxio-cart-empty-modal__hint a:hover {
  text-decoration: underline;
}
.sanxio-cart-empty-modal__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.sanxio-cart-empty-modal__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.sanxio-cart-empty-modal__btn--primary {
  background: var(--md-sys-color-primary, #1976d2);
  color: var(--md-sys-color-on-primary, #fff);
}
.sanxio-cart-empty-modal__btn--primary:hover {
  background: color-mix(in srgb, var(--md-sys-color-primary, #1976d2) 92%, black);
  color: var(--md-sys-color-on-primary, #fff);
}
.sanxio-cart-empty-modal__btn--secondary {
  background: transparent;
  color: var(--md-sys-color-primary, #1976d2);
  border: 1px solid var(--md-sys-color-outline-variant, #c7d7ea);
}
.sanxio-cart-empty-modal__btn--secondary:hover {
  background: var(--md-sys-color-surface-container-high, #e9f1fb);
  border-color: var(--md-sys-color-primary, #1976d2);
  color: var(--md-sys-color-primary, #1976d2);
}