button.header-link-icon {
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font: inherit;
}

/* Шапка: выпадающая панель поиска */
.header-search-panel {
  position: fixed;
  inset: 0;
  z-index: 1000;
  visibility: hidden;
  pointer-events: none;
}

.header-search-panel.header-search-panel--open {
  visibility: visible;
  pointer-events: auto;
}

.header-search-panel__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 11, 48, 0.42);
  opacity: 0;
  transition: opacity 0.22s ease-out;
}

@supports (backdrop-filter: blur(4px)) {
  .header-search-panel__backdrop {
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
}

.header-search-panel.header-search-panel--open .header-search-panel__backdrop {
  opacity: 1;
}

.header-search-panel__sector {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  width: 100%;
  min-height: 0;
  padding: max(14px, env(safe-area-inset-top, 0px)) max(20px, env(safe-area-inset-right, 0px)) max(18px, env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px));
  background: #ffffff;
  box-shadow:
    0 4px 24px rgba(0, 11, 48, 0.08),
    0 12px 48px rgba(0, 11, 48, 0.06);
  transform: translateY(-100%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.header-search-panel.header-search-panel--open .header-search-panel__sector {
  transform: translateY(0);
}

.header-search-panel__form {
  display: grid;
  align-items: center;
  width: 100%;
  max-width: min(960px, 100%);
  margin: 0 auto;
  gap: 14px 16px;
  grid-template-columns: 1fr auto auto;
  grid-template-areas: "input submit close";
}

.header-search-panel__input {
  grid-area: input;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid #d8dae6;
  border-radius: 12px;
  background: #fafafc;
  color: #5a5b6c;
  transition:
    border-color 0.18s ease-out,
    background-color 0.18s ease-out,
    box-shadow 0.18s ease-out;
}

.header-search-panel__input::placeholder {
  color: #868bab;
  opacity: 0.75;
}

.header-search-panel__input:hover {
  border-color: #c9cad6;
  background: #fff;
}

.header-search-panel__input:focus {
  outline: none;
}

.header-search-panel__input:focus-visible {
  border-color: #878bab;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(135, 139, 171, 0.22);
}

.header-search-panel__submit {
  grid-area: submit;
  flex-shrink: 0;
  align-self: center;
  min-height: 48px;
  padding-left: clamp(28px, 5vw, 60px);
  padding-right: clamp(28px, 5vw, 60px);
}

.header-search-panel__close {
  grid-area: close;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  background: transparent;
  color: #5a5b6c;
  cursor: pointer;
  border-radius: 12px;
  touch-action: manipulation;
  transition:
    background 0.15s ease-out,
    color 0.15s ease-out;
}

@media (hover: hover) {
  .header-search-panel__close:hover {
    background: rgba(0, 0, 0, 0.06);
  }
}

body.header-search--open {
  overflow: hidden;
}

/* Планшет / узкий десктоп: компактнее кнопка, форма на всю ширину контейнера */
@media (max-width: 900px) {
  .header-search-panel__sector {
    padding: max(12px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px))
      max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  }

  .header-search-panel__form {
    max-width: 100%;
    gap: 12px 12px;
  }

  .header-search-panel__submit {
    padding-left: clamp(20px, 4vw, 36px);
    padding-right: clamp(20px, 4vw, 36px);
  }
}

/* Мобильный: два ряда — поле и закрытие, затем полноширинная «Найти» */
@media (max-width: 720px) {
  .header-search-panel__sector {
    align-items: stretch;
    padding: max(10px, env(safe-area-inset-top, 0px)) max(14px, env(safe-area-inset-right, 0px))
      max(14px, env(safe-area-inset-bottom, 0px)) max(14px, env(safe-area-inset-left, 0px));
    border-radius: 0 0 18px 18px;
    box-shadow:
      0 8px 32px rgba(0, 11, 48, 0.1),
      0 2px 12px rgba(0, 11, 48, 0.06);
  }

  .header-search-panel__form {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "input close"
      "submit submit";
    gap: 12px 10px;
    align-items: center;
  }

  .header-search-panel__input {
    min-height: 50px;
    padding: 14px 16px;
    border-radius: 14px;
  }

  .header-search-panel__submit {
    grid-area: submit;
    width: 100%;
    min-height: 50px;
    justify-self: stretch;
    padding-left: 20px;
    padding-right: 20px;
    touch-action: manipulation;
  }

  .header-search-panel__close {
    width: 50px;
    height: 50px;
    border-radius: 14px;
  }

  .header-search-panel__input:focus-visible {
    box-shadow: 0 0 0 3px rgba(135, 139, 171, 0.28);
  }
}

/* Узкий телефон */
@media (max-width: 380px) {
  .header-search-panel__sector {
    padding-left: max(12px, env(safe-area-inset-left, 0px));
    padding-right: max(12px, env(safe-area-inset-right, 0px));
  }

  .header-search-panel__form {
    gap: 10px 8px;
  }

  .header-search-panel__close {
    width: 48px;
    height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .header-search-panel__backdrop,
  .header-search-panel__sector {
    transition-duration: 0.01ms !important;
  }
}