/* Плавающая кнопка «Добавить на сайт» — стили согласованы с Bootstrap4 / шаблоном */

.massiv-quick-add {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 1050;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  font-family: inherit;
}

.massiv-quick-add__hint {
  max-width: 16rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.9rem;
  line-height: 1.35;
  color: #1a1a1a;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.massiv-quick-add__hint p {
  margin: 0 0 0.5rem;
}

.massiv-quick-add__hint-dismiss {
  font-size: 0.85rem;
  padding: 0.25rem 0.5rem;
}

.massiv-quick-add__fab-wrap {
  position: relative;
  align-self: flex-end;
  z-index: 2;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.18));
}

.massiv-quick-add__control {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0;
}

.massiv-quick-add__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.5rem;
  min-height: 3.5rem;
  width: 3.5rem;
  height: 3.5rem;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 50%;
  background: #3e8ef7;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(62, 142, 247, 0.45);
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.massiv-quick-add__toggle:hover {
  background: #247cf0;
  color: #fff;
}

.massiv-quick-add__toggle:focus {
  outline: none;
}

.massiv-quick-add__toggle:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
  box-shadow: 0 0 0 3px rgba(62, 142, 247, 0.6), 0 2px 8px rgba(62, 142, 247, 0.45);
}

.massiv-quick-add__toggle:active {
  transform: scale(0.96);
}

.massiv-quick-add__toggle[aria-expanded="true"] {
  background: #247cf0;
}

.massiv-quick-add__toggle .fa {
  font-size: 1.5rem;
  line-height: 1;
}

.massiv-quick-add__label {
  display: none;
  margin-left: 0.5rem;
  padding: 0.55rem 1rem 0.55rem 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: #3e8ef7;
  border-radius: 0 2rem 2rem 0;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(62, 142, 247, 0.35);
}

@media (min-width: 768px) {
  .massiv-quick-add__control {
    border-radius: 2rem;
    overflow: visible;
  }

  .massiv-quick-add__toggle {
    border-radius: 50%;
    position: relative;
    z-index: 1;
  }

  .massiv-quick-add__label {
    display: inline-block;
    margin-left: -0.75rem;
    padding-left: 1rem;
  }
}

.massiv-quick-add__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.75rem);
  z-index: 3;
  min-width: min(18.5rem, calc(100vw - 2rem));
  max-width: calc(100vw - 2rem);
  padding: 0.35rem 0;
  margin: 0;
  list-style: none;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 0.65rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.massiv-quick-add__panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.massiv-quick-add__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.65rem 1rem;
  font-size: 1.05rem;
  line-height: 1.3;
  color: #222;
  text-decoration: none;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}

.massiv-quick-add__item:hover,
.massiv-quick-add__item:focus {
  background: #e8f4fe;
  color: #0d47a1;
  text-decoration: none;
}

.massiv-quick-add__item:focus {
  outline: none;
}

.massiv-quick-add__item:focus-visible {
  outline: 2px solid #3e8ef7;
  outline-offset: -2px;
}

.massiv-quick-add__item:active {
  background: #d2eafc;
}

.massiv-quick-add__item .fa {
  flex-shrink: 0;
  width: 1.35rem;
  text-align: center;
  font-size: 1.15rem;
  color: #3e8ef7;
}

.massiv-quick-add__backdrop {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: transparent;
  display: none;
}

.massiv-quick-add__backdrop.is-visible {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .massiv-quick-add__panel,
  .massiv-quick-add__toggle {
    transition: none;
  }
}