/**
 * BestLight — header.css
 * Topbar + Header + Logo + Nav + Search + Cart + Burger + Drawer.
 */

/* ============ TOP BAR ============ */
.bl-topbar{
  background: var(--bl-primary-dark);
  color: #fff;
  font-size: clamp(11px, 1vw, 13.5px);
  padding: 10px 0;
}
.bl-topbar__inner{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.bl-topbar__promo{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: #fff;
  text-decoration: none;
  transition: color .18s ease;
}
.bl-topbar__promo:hover{ color: var(--bl-accent); }
.bl-topbar__promo:hover span{ text-decoration: underline; text-underline-offset: 3px; }
.bl-topbar__promo i{ color: var(--bl-accent); flex-shrink: 0; }
.bl-topbar__actions{
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.bl-topbar__actions a{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s var(--bl-ease);
}
.bl-topbar__actions a:hover{ color: var(--bl-accent); }
.bl-topbar__actions i{ color: var(--bl-accent); }
.bl-topbar__sep{ color: rgba(255,255,255,.28); }

/* ============ HEADER ============ */
.bl-header{
  background: #fff;
  border-bottom: 1px solid var(--bl-border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 60;
}
.bl-header__inner{
  display: flex;
  align-items: center;
  gap: 24px;
}

/* ============ LOGO ============ */
.bl-logo{
  flex-shrink: 0;
  font-family: var(--bl-display);
  font-weight: 700;
  font-size: 26px;
  color: var(--bl-primary);
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  text-decoration: none;
  line-height: 1;
}
.bl-logo__text{ display: inline-block; }
.bl-logo__dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bl-accent);
  display: inline-block;
  margin-left: 1px;
  transform: translateY(-12px);
}
.bl-logo--custom img{ max-height: 44px; width: auto; }

/* ============ NAV ============ */
.bl-nav{
  display: flex;
  align-items: center;
  gap: 28px;
}
.bl-nav__link{
  font-weight: 500;
  font-size: 15px;
  color: var(--bl-text);
  position: relative;
  padding: 6px 0;
  transition: color .2s var(--bl-ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.bl-nav__link::after{
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--bl-accent);
  transition: right .25s var(--bl-ease);
}
.bl-nav__link:hover{ color: var(--bl-primary); }
.bl-nav__link:hover::after{ right: 0; }
.bl-nav__link i{
  font-size: 10px;
  color: var(--bl-text-mute);
  transition: transform .25s var(--bl-ease), color .25s var(--bl-ease);
}
.bl-nav__link--has-sub:hover i{
  transform: rotate(180deg);
  color: var(--bl-primary);
}

/* Sub-menu */
.bl-nav__item{ display: inline-flex; align-items: center; }
.bl-nav__item--has-sub{ position: relative; }
.bl-nav__link--has-sub{ position: relative; }
.bl-nav__sub{
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: #fff;
  border: 1px solid var(--bl-border);
  border-radius: var(--bl-radius);
  min-width: 240px;
  padding: 6px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s var(--bl-ease), visibility 0s linear .2s, transform .2s var(--bl-ease);
  z-index: 70;
}
.bl-nav__sub::before{ /* невидимый мостик через зазор, чтобы меню не закрывалось */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -14px;
  height: 14px;
}
.bl-nav__link--has-sub:hover + .bl-nav__sub,
.bl-nav__sub:hover{
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition-delay: 0s;
}
.bl-nav__sub-item a{
  display: block;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--bl-text);
  transition: background .15s var(--bl-ease), color .15s var(--bl-ease);
}
.bl-nav__sub-item a:hover{
  background: var(--bl-bg-soft);
  color: var(--bl-primary);
}

/* ============ CART ============ */
.bl-cart-btn{
  position: relative;
  color: var(--bl-primary);
  font-size: 22px;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bl-cart-btn__badge{
  position: absolute;
  top: 4px;
  right: 0;
  background: var(--bl-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============ BURGER ============ */
.bl-burger{
  display: none;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  color: var(--bl-primary);
  background: none;
  border: none;
  cursor: pointer;
}
.bl-burger span{
  width: 22px;
  height: 2px;
  background: currentColor;
  display: block;
  transition: transform .25s var(--bl-ease), opacity .15s var(--bl-ease);
}
.bl-burger--open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.bl-burger--open span:nth-child(2){ opacity: 0; }
.bl-burger--open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============ SEARCH BAR ============ */
.bl-search-bar{
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bl-bg-soft);
  border: 1px solid var(--bl-border);
  border-radius: var(--bl-radius);
  width: 300px;
  flex-shrink: 0;
  margin-left: auto;
  transition: border-color .2s var(--bl-ease), background .2s var(--bl-ease), box-shadow .2s var(--bl-ease);
}
.bl-search-bar:focus-within{
  border-color: var(--bl-primary);
  background: #fff;
  box-shadow: 0 0 0 3px var(--bl-accent-soft);
}
.bl-search-bar__input{
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  outline: none;
  padding: 11px 0 11px 16px;
  font-size: 14px;
  color: var(--bl-text);
}
.bl-search-bar__input::placeholder{ color: var(--bl-text-soft); }
.bl-search-bar__btn{
  padding: 11px 14px;
  color: var(--bl-text-mute);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  background: none;
  border: none;
  cursor: pointer;
  transition: color .2s var(--bl-ease);
}
.bl-search-bar__btn:hover{ color: var(--bl-primary); }

/* Live-search dropdown */
.bl-search-bar__dropdown{
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--bl-border);
  border-radius: var(--bl-radius);
  max-height: 60vh;
  overflow-y: auto;
  z-index: 70;
}
.bl-search-bar__dropdown[hidden]{ display: none; }
.bl-search-result{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--bl-border);
  transition: background .15s var(--bl-ease);
  color: var(--bl-text);
}
.bl-search-result:last-child{ border-bottom: none; }
.bl-search-result:hover{ background: var(--bl-bg-soft); }
.bl-search-result__img{
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--bl-bg-mute);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bl-search-result__img img{ width: 100%; height: 100%; object-fit: contain; }
.bl-search-result__title{ font-size: 13.5px; font-weight: 500; line-height: 1.3; }
.bl-search-result__price{ font-size: 12px; color: var(--bl-text-mute); margin-top: 2px; }
.bl-search-section{
  font-size: 11px;
  font-weight: 600;
  color: var(--bl-text-soft);
  padding: 10px 14px 4px;
}
.bl-search-empty{
  padding: 18px 14px;
  text-align: center;
  color: var(--bl-text-mute);
  font-size: 14px;
}

/* ============ DRAWER ============ */
.bl-drawer{
  position: fixed;
  top: 0;
  right: 0;
  width: min(360px, 88vw);
  height: 100vh;
  background: #fff;
  border-left: 1px solid var(--bl-border);
  z-index: 80;
  padding: 28px 24px;
  transform: translateX(100%);
  transition: transform .35s var(--bl-ease);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.bl-drawer--open{ transform: translateX(0); }
.bl-drawer-overlay{
  position: fixed;
  inset: 0;
  background: rgba(20,22,25,0.5);
  z-index: 79;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--bl-ease), visibility 0s linear .3s;
}
.bl-drawer-overlay--open{
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}
.bl-drawer__head{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.bl-drawer__close{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bl-text);
  font-size: 18px;
  background: none;
  border: none;
  cursor: pointer;
  transition: background .2s var(--bl-ease);
}
.bl-drawer__close:hover{ background: var(--bl-bg-soft); }
.bl-drawer__nav{ display: flex; flex-direction: column; }
.bl-drawer__nav .bl-nav__link{
  padding: 14px 0;
  border-bottom: 1px solid var(--bl-border);
  font-weight: 500;
  font-size: 16px;
  color: var(--bl-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bl-drawer__nav .bl-nav__link::after{ display: none; }
.bl-drawer__nav .bl-nav__link:last-child{ border-bottom: none; }
.bl-drawer__nav .bl-nav__link i{ color: var(--bl-text-soft); font-size: 12px; }
.bl-drawer__contacts{
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--bl-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bl-drawer__contacts a{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--bl-text);
}
.bl-drawer__contacts i{ color: var(--bl-text-mute); width: 18px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1100px){
  .bl-nav{ display: none; }
  .bl-burger{ display: flex; }
  .bl-search-bar{ flex: 1; max-width: none; width: auto; }
}
@media (max-width: 720px){
  .bl-topbar__actions{ display: none; }
  .bl-topbar__promo{ font-size: 12px; justify-content: center; width: 100%; }
}
@media (max-width: 560px){
  .bl-header__inner{ flex-wrap: wrap; gap: 12px; }
  .bl-logo{ order: 0; margin-right: auto; font-size: 22px; }
  .bl-cart-btn{ order: 3; }
  .bl-burger{ order: 4; }
  .bl-search-bar{ order: 5; width: 100%; flex-basis: 100%; margin-left: 0; }
  .bl-logo--custom img{ max-height: 38px; }
}