/* ============================================================
   Секция 02: Main Header & Nav — Стили (Нейтральная версия)
   ============================================================ */

.setka-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-card);
  border-bottom: var(--border-rule);
  box-shadow: var(--shadow-subtle);
}

.setka-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 20px;
}

/* Логотип */
.setka-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.setka-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.setka-logo__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-950);
}

.setka-header__tagline {
  font-size: 11px;
  color: var(--ink-500);
  border-left: 1px solid var(--border-color);
  padding-left: 12px;
  display: none;
}

@media (min-width: 1200px) {
  .setka-header__tagline {
    display: inline-block;
  }
}

/* Навигация по категориям */
.setka-nav {
  display: flex;
  align-items: center;
  height: 100%;
}

.setka-nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2px;
  height: 100%;
}

.setka-nav__item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.setka-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-800);
  border-radius: var(--r-xs);
  transition: all var(--dur) var(--ease);
}

.setka-nav__link .setka-icon {
  opacity: 0.5;
  transition: transform var(--dur) var(--ease);
}

.setka-nav__item:hover .setka-nav__link,
.setka-nav__item:focus-within .setka-nav__link {
  color: var(--ink-950);
  background-color: var(--bg-surface);
}

.setka-nav__item:hover .setka-nav__link .setka-icon,
.setka-nav__item:focus-within .setka-nav__link .setka-icon {
  transform: rotate(180deg);
  opacity: 1;
}

/* Мега-меню (Архитектурное, без слоп-градиентов) */
.setka-mega {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 580px;
  max-width: 700px;
  background: var(--bg-card);
  border: 1px solid var(--ink-950);
  border-top: none;
  box-shadow: 0 4px 16px rgba(17, 19, 23, 0.08);
  padding: 20px 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
  z-index: 200;
}

[data-theme="dark"] .setka-mega {
  border-color: var(--border-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* Предотвращение обрезки правых пунктов мега-меню */
.setka-nav__item:nth-last-child(-n+3) .setka-mega {
  left: auto;
  right: 0;
  transform: none;
}

.setka-nav__item:hover .setka-mega,
.setka-nav__item:focus-within .setka-mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.setka-mega__inner {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
}

.setka-mega__col-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-600);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.setka-mega__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.setka-mega__fresh-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.setka-mega__fresh-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.setka-mega__fresh-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-600);
}

.setka-mega__fresh-link {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-900);
}

.setka-mega__fresh-link:hover {
  color: var(--ink-950);
  text-decoration: underline;
}

.setka-mega__empty {
  font-size: 12px;
  color: var(--ink-500);
  font-style: italic;
}

.setka-mega__col-action {
  grid-column: 1 / -1;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
}

.setka-mega__all-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-900);
}

.setka-mega__all-link:hover {
  text-decoration: underline;
}

/* Действия в шапке (Поиск, Бургер) */
.setka-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.setka-search-box {
  position: relative;
}

.setka-search-btn,
.setka-burger-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--ink-800);
  width: 36px;
  height: 36px;
  border-radius: var(--r-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  position: relative;
}

.setka-search-btn::before,
.setka-burger-btn::before {
  content: '';
  position: absolute;
  top: -4px;
  bottom: -4px;
  left: -4px;
  right: -4px;
}

.setka-search-btn:hover,
.setka-burger-btn:hover {
  border-color: var(--ink-950);
  color: var(--ink-950);
  background: var(--bg-surface);
}

[data-theme="dark"] .setka-search-btn:hover,
[data-theme="dark"] .setka-burger-btn:hover {
  border-color: var(--ink-700);
  color: var(--ink-950);
}

.setka-search-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--ink-950);
  border-radius: var(--r-xs);
  padding: 10px;
  box-shadow: 0 4px 16px rgba(17, 19, 23, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all var(--dur) var(--ease);
  z-index: 150;
}

[data-theme="dark"] .setka-search-dropdown {
  border-color: var(--border-color);
}

.setka-search-dropdown.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.setka-search-form {
  display: flex;
  align-items: center;
  gap: 6px;
}

.setka-search-input {
  flex: 1;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--ink-950);
  padding: 8px 10px;
  border-radius: var(--r-xs);
  font-size: 13px;
}

.setka-search-input:focus {
  border-color: var(--ink-950);
  outline: 2px solid var(--accent-ink);
}

.setka-search-submit {
  background: var(--ink-950);
  color: var(--white);
  border: none;
  min-width: 36px;
  min-height: 36px;
  width: 36px;
  height: 36px;
  border-radius: var(--r-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

[data-theme="dark"] .setka-search-submit {
  background: var(--ink-200);
  color: var(--ink-950);
}

/* Мобильный бургер и меню */
.setka-burger-btn {
  display: none;
}

.burger-icon-close {
  display: none;
}

.setka-burger-btn.is-active .burger-icon-open {
  display: none;
}

.setka-burger-btn.is-active .burger-icon-close {
  display: block;
}

.setka-mobile-drawer {
  display: none;
}

@media (max-width: 960px) {
  .setka-nav {
    display: none;
  }
  .setka-burger-btn {
    display: inline-flex;
  }

  .setka-mobile-drawer {
    display: block;
    position: fixed;
    top: var(--header-offset, 94px);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 95;
    opacity: 0;
    visibility: hidden;
    transition: all var(--dur) var(--ease);
  }

  .setka-mobile-drawer.is-open {
    opacity: 1;
    visibility: visible;
  }

  .setka-mobile-drawer__inner {
    background: var(--bg-card);
    width: 100%;
    max-height: calc(100vh - var(--header-offset, 94px));
    overflow-y: auto;
    padding: 16px;
    border-bottom: var(--border-rule);
  }

  .setka-mobile-search {
    margin-bottom: 14px;
  }

  .setka-mobile-search-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--r-xs);
    background: var(--bg-surface);
    color: var(--ink-950);
    font-size: 14px;
  }

  .mobile-acc-group {
    border-bottom: 1px solid var(--border-color);
  }

  .mobile-acc-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 0;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-900);
    cursor: pointer;
    text-align: left;
  }

  .mobile-acc-content {
    display: none;
    padding: 0 0 14px 8px;
  }

  .mobile-acc-group.is-open .mobile-acc-content {
    display: block;
  }

  .mobile-acc-group.is-open .mobile-acc-trigger .setka-icon {
    transform: rotate(180deg);
  }

  .mobile-acc-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--ink-600);
    margin-bottom: 6px;
    text-transform: uppercase;
  }

  .mobile-acc-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
  }

  .mobile-acc-fresh {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
  }

  .mobile-acc-link {
    font-size: 13px;
    line-height: 1.35;
    color: var(--ink-800);
  }

  .mobile-acc-view-all {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-950);
    margin-top: 4px;
  }

  .mobile-acc-single {
    display: block;
    padding: 14px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-900);
    border-bottom: 1px solid var(--border-color);
  }
}