/* ==========================================================================
   HEADER — Top bar, main bar, nawigacja, mega menu, mobile, sticky
   Mobile-first approach.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Top bar (rzad 1) — telefon, promo, social
   -------------------------------------------------------------------------- */

.header__top-bar {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.header__top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  gap: var(--space-4);
}

.header__top-left,
.header__top-right {
  display: none;
}

.header__top-center {
  flex: 1;
  text-align: center;
}

.header__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.header__phone:hover {
  color: var(--color-accent-green);
}

.header__promo-text {
  white-space: nowrap;
}

@media (min-width: 768px) {
  .header__top-left {
    display: flex;
  }
  .header__top-center {
    flex: none;
  }
}

@media (min-width: 1024px) {
  .header__top-right {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   Main bar (rzad 2) — logo, search, ikony
   -------------------------------------------------------------------------- */

.header__main-bar {
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
}

.header__main-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 64px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.header__logo-main {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.header__logo-sub {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-accent-green);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Search */
.header__search {
  display: none;
  flex: 1;
  max-width: 480px;
}

.header__search-form {
  display: flex;
  position: relative;
}

.header__search-input {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  padding-right: 44px;
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header__search-input::placeholder {
  color: var(--color-text-muted);
}

.header__search-input:focus {
  outline: none;
  border-color: var(--color-accent-green);
  box-shadow: 0 0 0 3px var(--color-accent-green-light);
}

.header__search-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.header__search-btn:hover {
  color: var(--color-accent-green);
}

@media (min-width: 768px) {
  .header__search {
    display: block;
  }

  .header__main-bar-inner {
    height: 72px;
  }
}

/* Ikony akcji (konto, koszyk) */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__action-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-2);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  border: none;
  background: none;
}

.header__action-btn:hover {
  color: var(--color-accent-green);
}

.header__action-label {
  font-size: 0.625rem;
  display: none;
}

.header__cart-count {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background-color: var(--color-accent-green);
  color: var(--color-bg-primary);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  line-height: 18px;
  text-align: center;
  border-radius: var(--radius-full);
}

@media (min-width: 1024px) {
  .header__action-label {
    display: block;
  }

  .header__action-btn {
    gap: var(--space-1);
  }
}

/* --------------------------------------------------------------------------
   Hamburger (mobile only)
   -------------------------------------------------------------------------- */

.header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.header__hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Animacja hamburger -> X */
.header__hamburger[aria-expanded="true"] .header__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger[aria-expanded="true"] .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger[aria-expanded="true"] .header__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .header__hamburger {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Desktop nawigacja (rzad 3) — mega menu
   -------------------------------------------------------------------------- */

.header__nav {
  display: none;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
  .header__nav {
    display: block;
  }
}

.header__nav-list {
  display: flex;
  align-items: stretch;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.header__nav-item--top {
  position: relative;
}

.header__nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header__nav-link:hover,
.header__nav-item--active > .header__nav-link {
  color: var(--color-text-primary);
  background-color: rgba(255, 255, 255, 0.03);
}

.header__nav-arrow {
  transition: transform var(--transition-fast);
}

.header__nav-item--has-children:hover > .header__nav-link .header__nav-arrow {
  transform: rotate(180deg);
}

/* --------------------------------------------------------------------------
   Dropdown (desktop)
   -------------------------------------------------------------------------- */

.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-dropdown);
}

.header__nav-item--has-children:hover > .header__dropdown,
.header__nav-item--has-children:focus-within > .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Mega menu — szerokie dropdown na pelna szerokosc */
.header__nav-item--mega > .header__dropdown {
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 600px;
}

.header__nav-item--mega:hover > .header__dropdown,
.header__nav-item--mega:focus-within > .header__dropdown {
  transform: translateX(-50%) translateY(0);
}

.header__dropdown-list {
  list-style: none;
  padding: var(--space-2) 0;
  margin: 0;
}

.header__dropdown-list .header__nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-normal);
}

.header__dropdown-list .header__nav-link:hover {
  color: var(--color-accent-green);
  background-color: var(--color-accent-green-light);
}

/* --------------------------------------------------------------------------
   Sticky header
   -------------------------------------------------------------------------- */

.header--sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: rgba(13, 26, 13, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.header--sticky .header__top-bar {
  display: none;
}

.header--sticky .header__main-bar-inner {
  height: 56px;
}

/* Placeholder — zapobiega skokowi layoutu gdy header staje sie fixed */
.header-placeholder {
  display: none;
}

.header-placeholder--active {
  display: block;
}

/* --------------------------------------------------------------------------
   Mobile menu overlay (full-screen)
   -------------------------------------------------------------------------- */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background-color: var(--color-bg-primary);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-menu--open {
  transform: translateX(0);
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: var(--space-4) var(--container-padding);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.mobile-menu__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.mobile-menu__close:hover {
  color: var(--color-text-primary);
}

.mobile-menu__nav {
  flex: 1;
}

.mobile-menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.mobile-menu__list a {
  display: block;
  padding: var(--space-4) 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.mobile-menu__list a:hover {
  color: var(--color-accent-green);
}

/* Podmenu mobile — accordion */
.mobile-menu__list .sub-menu {
  list-style: none;
  padding: 0 0 var(--space-2) var(--space-4);
  margin: 0;
  display: none;
}

.mobile-menu__list .sub-menu.is-open {
  display: block;
}

.mobile-menu__list .sub-menu a {
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
}

.mobile-menu__footer {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.mobile-menu__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-accent-green);
}

/* Body scroll lock gdy menu otwarte */
body.mobile-menu-open {
  overflow: hidden;
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Mobile bottom bar (sticky na dole ekranu)
   -------------------------------------------------------------------------- */

.mobile-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: 60px;
  background-color: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.mobile-bottom-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  padding: var(--space-2) 0;
  font-size: 0.625rem;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.mobile-bottom-bar__item:hover,
.mobile-bottom-bar__item--active {
  color: var(--color-accent-green);
}

.mobile-bottom-bar__item--cart {
  position: relative;
}

.mobile-bottom-bar__badge {
  position: absolute;
  top: 2px;
  right: 50%;
  transform: translateX(calc(50% + 10px));
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background-color: var(--color-accent-green);
  color: var(--color-bg-primary);
  font-size: 0.563rem;
  font-weight: var(--weight-bold);
  line-height: 16px;
  text-align: center;
  border-radius: var(--radius-full);
}

/* Pokaz bottom bar tylko na mobile */
@media (min-width: 1024px) {
  .mobile-bottom-bar {
    display: none;
  }
}

/* Dodaj padding-bottom do body zeby content nie byl zaslaniety */
@media (max-width: 1023px) {
  body {
    padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
  }
}