/* ========================================
   nozhanshop | Site Header
   ======================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-surface);
  box-shadow: 0 1px 0 var(--color-border);
}

/* ---------- Top Bar ---------- */

.top-bar {
  color: var(--color-primary-dark);
  background-color: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
}

.top-bar-container {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  width: min(100% - 32px, var(--container-width));
  min-height: 36px;
  margin: 0 auto;
}

.top-bar-text {
  margin: 0;
  font-size: 0.76rem;
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
}

.top-bar-text-secondary {
  color: var(--color-text-muted);
}

/* ---------- Main Navigation ---------- */

.main-nav {
  background-color: var(--color-surface);
}

.nav-container {
  display: flex;
  gap: clamp(20px, 3vw, 42px);
  align-items: center;
  width: min(100% - 32px, var(--container-width));
  min-height: 76px;
  margin: 0 auto;
}

/* ---------- Brand ---------- */

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  flex-direction: column;
  color: var(--color-text);
  line-height: 1.2;
  text-decoration: none;
  align-items: center;
  gap: 0.75rem;
}

.brand-name {
  color: var(--color-primary-dark);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-tagline {
  margin-bottom: 5px;
  color: var(--color-text-muted);
  font-size: 0.65rem;
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
}

.brand:hover .brand-name {
  color: var(--color-primary);
}

.brand:focus-visible {
  border-radius: var(--radius-sm);
  outline: 3px solid var(--color-primary-light);
  outline-offset: 4px;
}

.brand-logo {
  display: block;
  width: 100px;
  height: 86px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

/* ---------- Navigation Menu ---------- */

.nav-menu {
  display: flex;
  flex: 1;
  gap: clamp(16px, 2vw, 30px);
  align-items: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-menu a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: var(--color-text-muted);
  font-size: 0.87rem;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-menu a::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 2px;
  content: "";
  background-color: var(--color-primary);
  border-radius: 99px;
  opacity: 0;
  transform: scaleX(0.35);
  transform-origin: center;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active,
.nav-menu a[aria-current="page"] {
  color: var(--color-primary-dark);
}

.nav-menu a:hover::after,
.nav-menu a.active::after,
.nav-menu a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-menu a:focus-visible {
  border-radius: var(--radius-sm);
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}


/* ---------- Account Menu ---------- */

.header-account {
  position: relative;
  flex: 0 0 auto;
}

.header-account-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 42px;
  padding: 5px 9px 5px 11px;
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.header-account-toggle:hover,
.header-account-toggle[aria-expanded="true"] {
  color: var(--color-primary-dark);
  background-color: var(--color-surface-alt);
  border-color: var(--color-border);
}

.header-account-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.header-account-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  color: var(--color-primary-dark);
  background:
    linear-gradient(
      145deg,
      var(--color-surface-alt),
      var(--color-surface)
    );
  border: 1px solid var(--color-primary-light);
  border-radius: 50%;
}

.header-account-name {
  max-width: 120px;
  overflow: hidden;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: var(--font-weight-semibold);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-account-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.header-account-toggle[aria-expanded="true"]
  .header-account-chevron {
  transform: rotate(180deg);
}

.header-account-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 1200;
  width: 270px;
  padding: 9px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.12);
  transform-origin: top left;
}

.header-account-menu[hidden] {
  display: none;
}

/* RTL alignment for account dropdown menus */
.header-account-menu {
  direction: rtl;
  text-align: right;
}

.header-account-menu-header {
  text-align: right;
  align-items: flex-start;
}

.header-account-menu-item {
  direction: rtl;
  text-align: right;
  justify-content: flex-start;
}

.header-account-menu-item > span:last-child {
  text-align: right;
  align-items: flex-start;
}

.header-account-menu-label,
.header-account-menu-header strong,
.header-account-menu-item strong,
.header-account-menu-item small {
  text-align: right;
}

.header-account-menu-header {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 11px 12px;
}

.header-account-menu-label {
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: var(--font-weight-medium);
}

.header-account-menu-header strong {
  overflow: hidden;
  color: var(--color-primary-dark);
  font-size: 0.95rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-account-menu-divider {
  height: 1px;
  margin: 4px 7px;
  background-color: var(--color-border);
}

.header-account-menu-item {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 58px;
  gap: 11px;
  padding: 8px 10px;
  color: var(--color-text);
  background: transparent;
  border: 0;
  border-radius: 11px;
  text-decoration: none;
  text-align: right;
  cursor: pointer;
  font-family: inherit;
  box-sizing: border-box;
  transition:
    background-color 0.18s ease,
    color 0.18s ease;
}

.header-account-menu-item:hover {
  color: var(--color-primary-dark);
  background-color: var(--color-surface-alt);
}

.header-account-menu-item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.header-account-menu-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  color: var(--color-primary-dark);
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 9px;
}

.header-account-menu-item > span:last-child {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
}

.header-account-menu-item strong {
  color: inherit;
  font-size: 0.82rem;
  font-weight: var(--font-weight-semibold);
}

.header-account-menu-item small {
  color: var(--color-text-muted);
  font-size: 0.68rem;
}

.header-account-logout {
  color: var(--color-text-muted);
}

.header-account-logout:hover {
  color: #9f3434;
  background-color: rgba(159, 52, 52, 0.06);
}

@media (max-width: 950px) {
  .header-account-name {
    max-width: 90px;
  }
}

@media (max-width: 760px) {
  .header-account {
    position: relative;
  }

  .header-account-toggle {
    min-height: 42px;
    padding: 4px;
    border-radius: 50%;
  }

  .header-account-name,
  .header-account-chevron {
    display: none;
  }

  .header-account-avatar {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .header-account-menu {
    position: fixed;
    top: auto;
    left: 12px;
    right: 12px;
    width: auto;
    max-width: 270px;
    max-height: calc(100dvh - 100px);
    overflow-y: auto;
    box-sizing: border-box;
    transform-origin: top right;
  }

  .header-account-menu:not([hidden]) {
    top: 75px;
  }
}

/* ---------- Header CTA ---------- */

.nav-actions {
  display: flex;
  direction: ltr;
  flex-direction: row;
  flex-wrap: nowrap;
  flex: 0 0 auto;
  align-items: center;
  gap: 24px;
  margin-left: -11px;
}

/*
  ظاهر پایه btn-primary در buttons.css تعریف می‌شود.
  این بخش فقط ابعاد اختصاصی CTA هدر را تنظیم می‌کند.
*/

.cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.cart-link:hover {
  color: var(--color-primary);
}

.cart-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cart-link-text {
  font-size: 0.9rem;
}

.cart-count {
  position: absolute;
  top: -0.55rem;
  right: -0.65rem;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}

.cart-count[hidden] {
  display: none;
}

.nav-actions .btn-primary {
  min-height: 42px;
  padding: 10px 17px;
  font-size: 0.82rem;
  white-space: nowrap;
}

/* ---------- Mobile Toggle ---------- */

.mobile-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  color: var(--color-primary-dark);
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-menu-toggle-line {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background-color: currentColor;
  border-radius: 99px;
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.mobile-menu-toggle:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 3px;
}

.mobile-menu-toggle:hover {
  color: var(--color-primary);
  background-color: var(--color-surface-alt);
  border-color: var(--color-primary-light);
}

/* ---------- Responsive ---------- */

@media (max-width: 950px) {
  .nav-container {
    gap: 20px;
  }

  .nav-menu {
    gap: 18px;
  }

  .brand-tagline {
    display: none;
  }
}

@media (max-width: 760px) {
  .top-bar-container {
    justify-content: center;
    min-height: 34px;
    text-align: center;
  }

  .top-bar-text {
    font-size: 0.71rem;
  }

  .top-bar-text-secondary {
    display: none;
  }

  .nav-container {
    position: relative;
    justify-content: space-between;
    min-height: 65px;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .mobile-menu-toggle {
    display: block;
    order: 3;
  }

  .nav-actions {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;

    display: none;
    flex-direction: column;
    gap: 0;
    align-items: stretch;

    padding: 8px 16px 16px;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.is-open {
    display: flex;
  }

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

  .nav-menu li:last-child {
    border-bottom: 0;
  }

  .nav-menu a {
    justify-content: flex-start;
    width: 100%;
    min-height: 48px;
    padding: 0 4px;
  }

  .nav-menu a::after {
    right: 4px;
    bottom: 8px;
    left: auto;
    width: 28px;
  }

  .mobile-menu-toggle[aria-expanded="true"]
    .mobile-menu-toggle-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

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

  .mobile-menu-toggle[aria-expanded="true"]
    .mobile-menu-toggle-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

@media (max-width: 600px) {
  .top-bar-container,
  .nav-container {
    width: min(100% - 24px, 1280px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-name,
  .nav-menu a,
  .nav-menu a::after,
  .mobile-menu-toggle-line {
    transition: none;
  }
}