header {
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  position: relative;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-name {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-name img {
  height: 44px;
  width: auto;
  display: block;
}

header nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

header nav a {
  font-size: 0.95rem;
  color: #444;
  text-decoration: none;
  font-family: inherit;
  font-weight: 700;
}

header nav a:hover,
header nav a.active {
  color: #4a4a4a;
}

/* min-width:0 on both the form and the input: a flex item defaults to
   min-width:auto, and a text input's min-content width is its intrinsic
   ~20-character size. Without these the header can't shrink below ~380px
   and pushes the whole page into horizontal scroll on a 320/360 phone. */
.header-search {
  display: flex;
  flex: 1;
  min-width: 0;
  max-width: 420px;
  margin: 0 2rem;
}

.header-search input[type="search"] {
  flex: 1;
  min-width: 0;
  padding: 0.4rem 0.75rem;
  border: 1px solid #ddd;
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  background: #f5f5f5;
}

.header-search input[type="search"]:focus {
  background: #fff;
  border-color: #aaa;
}

.header-search button {
  padding: 0.4rem 0.75rem 0.3rem 0.75rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
}

.header-search button:hover {
  background: var(--primary-hover);
}

.cart-wrap {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 5px;
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -7px;
  background: var(--primary);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  min-width: 15px;
  height: 15px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px 3px 0;
  pointer-events: none;
}

/* Avatar dropdown */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  padding: 0;
}

.user-avatar:hover {
  background: var(--primary-hover);
}

.user-avatar img {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  min-width: 140px;
  z-index: 200;
  padding: 0.4rem 0;
}

.user-dropdown.open {
  display: block;
}

.user-dropdown a {
  display: block;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  color: #333;
  text-decoration: none;
  white-space: nowrap;
}

.user-dropdown a:hover {
  background: #f5f5f5;
  color: #4a4a4a;
}

.nav-msg-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  /* top-only padding nudges digits down: they have no descenders, so true
     flex centering makes them sit optically high in the circle */
  padding: 2px 4px 0;
  background: #e53935;
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  /* every digit gets the same fixed width, so 1 centers exactly like 5 */
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius);
  line-height: 1;
  vertical-align: middle;
  margin-left: 2px;
}

/* Language / currency dropdown */
.lang-menu {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  padding: 0.3rem 0.25rem;
  cursor: pointer;
  line-height: 0;
}

.lang-btn:hover {
  opacity: 0.75;
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  z-index: 200;
  padding: 0.5rem 0;
}

.lang-dropdown.open {
  display: block;
}

.lang-dropdown-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #999;
  padding: 0.5rem 1rem 0.25rem;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  font-size: 0.875rem;
  color: #333;
  cursor: pointer;
  text-align: left;
  line-height: 1;
}

.lang-option:hover {
  background: #f5f5f5;
  color: #4a4a4a;
}

.lang-option--active {
  font-weight: 700; /* helps Latin labels; ignored by Khmer fallback font */
  color: var(--primary);
}

/* ── Hamburger ── */
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: #444;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hamburger-btn .close-icon {
  display: none;
}
.hamburger-btn.open .hamburger-icon {
  display: none;
}
.hamburger-btn.open .close-icon {
  display: block;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  z-index: 100;
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease,
    padding 0.3s ease;
  padding: 0;
}

.mobile-nav.open {
  max-height: 400px;
  padding: 0.5rem 0;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  color: #333;
  text-decoration: none;
  border-bottom: 1px solid #f3f4f6;
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

.mobile-nav-link:hover {
  background: #f9fafb;
  color: #4a4a4a;
}

/* ── Bell notifications ── */
.bell-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.bell-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 3px 0 0 0;
  color: #444;
  line-height: 0;
}

.bell-btn:hover {
  color: #4a4a4a;
}

.bell-badge {
  position: absolute;
  top: -5px;
  right: -6px;
  background: #e53935;
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  min-width: 15px;
  height: 15px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px 3px 0;
  pointer-events: none;
}

.bell-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: -8px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  width: 300px;
  max-width: calc(100vw - 24px);
  z-index: 200;
  overflow: hidden;
}

.bell-dropdown.open {
  display: block;
}

.bell-dropdown-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem 0.6rem;
  border-bottom: 1px solid var(--divider);
}

.bell-dropdown-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #4a4a4a;
}

.bell-mark-all {
  background: none;
  border: none;
  font-size: 0.75rem;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

.bell-mark-all:hover {
  text-decoration: underline;
}

.bell-items {
  max-height: 320px;
  overflow-y: auto;
}

.bell-item {
  display: block;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid #f5f5f5;
  text-decoration: none;
  color: #333;
}

.bell-item:last-child {
  border-bottom: none;
}

.bell-item:hover {
  background: #f9fafb;
}

.bell-item--unread {
  background: #f0f4ff;
}

.bell-item--unread:hover {
  background: #e8eeff;
}

.bell-item-msg {
  display: block;
  font-size: 0.85rem;
  color: #222;
  margin-bottom: 0.2rem;
  line-height: 1.4;
}

.bell-item-time {
  display: block;
  font-size: 0.73rem;
  color: #999;
}

.bell-empty {
  padding: 1.5rem 1rem;
  font-size: 0.85rem;
  color: #aaa;
  text-align: center;
  margin: 0;
}

/* The dropdown only ever holds the latest 15 — this is the way to the rest. */
.bell-see-all {
  display: block;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--divider);
  font-size: 0.78rem;
  color: var(--primary);
  text-align: center;
  text-decoration: none;
}

.bell-see-all:hover {
  background: #f9fafb;
  text-decoration: underline;
}

/* Admin, vendor & buyer: all have top-level nav links + bell now, so collapse
   into the hamburger flyout earlier to prevent overflow at mid-range viewports. */
@media (max-width: 800px) {
  .admin-header .hamburger-btn,
  .vendor-header .hamburger-btn,
  .buyer-header .hamburger-btn {
    display: flex;
  }
  .admin-header nav,
  .vendor-header nav,
  .buyer-header nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .hamburger-btn {
    display: flex;
  }
  header nav {
    display: none;
  }
  .header-search {
    margin: 0 0.75rem;
  }
}

.vendor-header nav {
  gap: 1rem;
}

.vendor-header .header-search {
  min-width: 0;
  margin: 0 1rem;
}

.vendor-header .header-search input[type="search"] {
  min-width: 0;
}

@media (max-width: 640px) {
  .vendor-header .header-search {
    margin: 0 0.5rem;
  }
}