/* ---------- Shipping strip ---------- */
.shipping-strip {
  gap: 10px;
}
.shipping-strip i { font-size: 0.85rem; }
.shipping-strip a { color: var(--text); border-bottom: 1px solid var(--border); }

/* ---------- Desktop / tablet header ---------- */
#header {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
  border-bottom-color: var(--border);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
:root[data-theme="light"] #header { background: rgba(250, 250, 250, 0.92); }
:root[data-theme="light"] .logo img {
  filter: invert(1);
}
:root[data-theme="light"] .hero img {
  filter: invert(1);
}
:root[data-theme="light"] .pre-logo img {
  filter: invert(1);
}


body.scrolled #header { box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25); }

.logo img { height: 34px; } /* smaller / more compact brand mark in the new fixed header */

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr; /* лого | навбар | иконки */
  align-items: center;
  gap: 24px;
}

.navmenu { justify-self: center; }
.navmenu ul {
  display: flex;
  align-items: center;
  gap: 36px;
}
.navmenu > ul > li > a {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 400;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-fast);
}
.navmenu > ul > li > a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.navmenu > ul > li > a:hover,
.navmenu > ul > li > a.active { color: var(--text); }
.navmenu > ul > li > a:hover::after,
.navmenu > ul > li > a.active::after { width: 100%; }

.navmenu li.dropdown { position: relative; }
.navmenu li.dropdown .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg2);
  border: 1px solid var(--border);
  min-width: 180px;
  padding: 8px 0;
  z-index: 100;
}
.navmenu li.dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  height: 8px;
  background: transparent;
}
.navmenu li.dropdown:hover .dropdown-menu { display: block; }
.navmenu .dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.navmenu .dropdown-menu li a:hover { color: var(--accent); background: rgba(128,128,128,0.08); }
.chevron {
  font-size: 0.6rem;
  margin-left: 5px;
  display: inline-block;
  transition: transform var(--transition-fast);
}
.navmenu li.dropdown:hover .chevron { transform: rotate(180deg); }

/* Hamburger toggle, shown 768–991px (true mobile <768px uses the bottom tab bar instead) */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
}
.mobile-nav-toggle span { display: block; height: 1px; background: var(--text); transition: var(--transition); }
body.mobile-nav-active .mobile-nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.mobile-nav-active .mobile-nav-toggle span:nth-child(2) { opacity: 0; }
body.mobile-nav-active .mobile-nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 991px) {
  .navmenu {
    position: fixed;
    top: calc(var(--shipping-h) + var(--header-h));
    left: 0; right: 0; bottom: 0;
    background: var(--bg);
    padding: 40px 32px;
    transform: translateX(-100%);
    transition: transform var(--transition);
    overflow-y: auto;
    z-index: 700;
  }
  body.mobile-nav-active .navmenu { transform: translateX(0); }
  .navmenu ul { flex-direction: column; align-items: flex-start; gap: 0; }
  .navmenu > ul > li { width: 100%; border-bottom: 1px solid var(--border); }
  .navmenu > ul > li > a { display: block; padding: 16px 0; font-size: 0.85rem; }
  .navmenu .dropdown-menu { display: none; position: static; transform: none; background: transparent; border: none; padding: 0 0 8px 16px; }
  .navmenu li.dropdown.open .dropdown-menu { display: block; }
  .navmenu li.dropdown::after { display: none; }
  .mobile-nav-toggle { display: flex; }
}
@media (max-width: 767px) {
  /* the bottom tab bar replaces top nav entirely, no hamburger drawer needed */
  .mobile-nav-toggle { display: none; }
}

.header-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 18px;
}
.header-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--text-muted);
  font-size: 1.05rem;
  border: 1px solid transparent;
  border-radius: 50%;
  transition: var(--transition-fast);
  text-decoration: none;
}
.header-icon-btn:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
}
:root[data-theme="light"] .header-icon-btn:hover { background: rgba(0, 0, 0, 0.04); }

.header-badge {
  position: absolute;
  top: -2px; right: -2px;
  min-width: 16px; height: 16px;
  padding: 0 3px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.6rem;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.header-badge.visible { display: flex; }

.header-account {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-account .account-name {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.header-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
}

/* Theme toggle */
.theme-toggle {
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition-fast);
}
.theme-toggle:hover { color: var(--text); border-color: var(--text); }
.theme-toggle .icon-light { display: none; }
:root[data-theme="light"] .theme-toggle .icon-dark { display: none; }
:root[data-theme="light"] .theme-toggle .icon-light { display: block; }

/* ---------- Mobile bottom navigation ---------- */
.bottom-nav { display: none; }

@media (max-width: 767px) {
  .bottom-nav {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 900;
    height: var(--bottom-nav-h);
    background: var(--bg2);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.25);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .bottom-nav-item {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--text-muted);
    font-size: 0.6rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    transition: color var(--transition-fast);
  }
  /* The logout tab is a <form><button> (Django 5+ requires POST to log out) —
     display:contents makes the <form> invisible to the flex layout so the
     <button class="bottom-nav-item"> inside it still fills equal width like
     every other tab. */
  .bottom-nav-logout-form { display: contents; }
  .bottom-nav-item i { font-size: 1.25rem; }
  .bottom-nav-item.active { color: var(--text); }
  .bottom-nav-item .header-badge { top: 2px; right: 22%; }

  /* mobile nav drawer (catalog sub-links), opened from the bottom "Каталог" tab */
  .mobile-catalog-sheet {
    position: fixed;
    left: 0; right: 0; bottom: var(--bottom-nav-h);
    z-index: 899;
    background: var(--bg2);
    border-top: 1px solid var(--border);
    transform: translateY(110%);
    transition: transform var(--transition);
    padding: 18px 20px calc(18px + env(safe-area-inset-bottom, 0));
  }
  body.catalog-sheet-open .mobile-catalog-sheet { transform: translateY(0); }
  .mobile-catalog-sheet a {
    display: block;
    padding: 14px 4px;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
  }
  .mobile-catalog-sheet a:last-child { border-bottom: none; }
  .mobile-catalog-sheet a.active { color: var(--text); }
}