/* ============================================================
   TUTUR BANGSA — header.css
   Top bar + Site Header + Nav + Search Overlay + Mobile Menu
   ============================================================ */

/* ── TOP BAR ──────────────────────────────────────────────── */
.topbar {
  width: 100%;
  height: var(--topbar-height);
  background: var(--color-dark);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  z-index: var(--z-sticky);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
  gap: var(--space-4);
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.topbar__date {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.topbar__nav .topbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.topbar__nav .topbar__menu li a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  letter-spacing: 0.03em;
}

.topbar__nav .topbar__menu li a:hover {
  color: var(--color-white);
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar__link {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.topbar__link:hover {
  color: var(--color-white);
}

.topbar__link--register {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.12);
}

.topbar__link--register:hover {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
}

.topbar__link--user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.topbar__avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
}

.topbar__sep {
  color: rgba(255,255,255,0.15);
  font-size: var(--text-xs);
}

/* ── SITE HEADER ──────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: var(--border-light);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow);
}

.site-header.is-hidden {
  transform: translateY(-100%);
  transition: transform var(--transition);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  height: var(--header-height);
}

/* ── LOGO ─────────────────────────────────────────────────── */
.site-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.site-logo img {
  height: 32px;
  width: auto;
  display: block;
}

.site-logo__text {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.02em;
  line-height: 1;
}

/* ── NAVIGASI UTAMA ───────────────────────────────────────── */
.site-nav {
  flex: 1;
  display: flex;
  align-items: center;
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__menu > li {
  position: relative;
}

.site-nav__menu > li > a {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 12px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.site-nav__menu > li > a:hover,
.site-nav__menu > li.current-menu-item > a,
.site-nav__menu > li.current-menu-parent > a {
  color: var(--color-dark);
  background: var(--color-gray-50);
}

/* Dropdown indikator */
.site-nav__menu > li.menu-item-has-children > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.5;
  margin-left: 2px;
  transition: transform var(--transition-fast);
}

.site-nav__menu > li.menu-item-has-children:hover > a::after {
  transform: rotate(180deg);
}

/* Sub-menu dropdown */
.site-nav__menu .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  pointer-events: none;
  z-index: var(--z-dropdown);
}

.site-nav__menu > li:hover > .sub-menu,
.site-nav__menu > li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.site-nav__menu .sub-menu li a {
  display: block;
  padding: 8px 16px;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.site-nav__menu .sub-menu li a:hover {
  color: var(--color-dark);
  background: var(--color-gray-50);
}

/* ── HEADER ACTIONS ───────────────────────────────────────── */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
  flex-shrink: 0;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-gray-500);
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
  flex-shrink: 0;
}

.header-btn:hover {
  color: var(--color-dark);
  background: var(--color-gray-50);
}

.header-btn__badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  line-height: 1;
}

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

/* ── USER DROPDOWN ────────────────────────────────────────── */
.header-user {
  position: relative;
}

.header-user__trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid var(--color-gray-200);
  transition: border-color var(--transition-fast);
}

.header-user__trigger:hover {
  border-color: var(--color-dark);
}

.header-user__trigger .avatar {
  width: 100%;
  height: 100%;
}

.header-user__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) 0;
  z-index: var(--z-dropdown);
}

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

.header-user__item {
  display: block;
  padding: 8px 16px;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.header-user__item:hover {
  color: var(--color-dark);
  background: var(--color-gray-50);
}

.header-user__item--logout {
  color: #DC2626;
}

.header-user__item--logout:hover {
  background: #FEF2F2;
  color: #991B1B;
}

.header-user__sep {
  border: none;
  border-top: var(--border-light);
  margin: var(--space-2) 0;
}

/* ── HAMBURGER (MOBILE) ───────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: var(--color-gray-50);
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-dark);
  border-radius: 2px;
  transform-origin: center;
  transition: transform var(--transition), opacity var(--transition);
}

/* State aktif hamburger */
.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── SEARCH OVERLAY ───────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
}

.search-overlay[hidden] {
  display: none;
}

.search-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13,13,13,0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
}

.search-overlay__content {
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 var(--space-4);
  z-index: 1;
  animation: searchSlideIn 200ms ease;
}

@keyframes searchSlideIn {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.search-overlay__form {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.search-overlay__input {
  flex: 1;
  height: 60px;
  padding: 0 var(--space-5);
  padding-right: var(--space-20);
  font-size: var(--text-lg);
  color: var(--color-dark);
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-sans);
}

.search-overlay__input::placeholder {
  color: var(--color-gray-400);
  font-size: var(--text-base);
}

.search-overlay__submit {
  position: absolute;
  right: 48px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  border-radius: var(--radius);
  transition: color var(--transition-fast);
}

.search-overlay__submit:hover {
  color: var(--color-dark);
}

.search-overlay__close {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  border-radius: var(--radius);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.search-overlay__close:hover {
  color: var(--color-dark);
  background: var(--color-gray-50);
}

.search-overlay__suggestions {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.search-overlay__suggestions-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.search-overlay__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.search-overlay__tags .tag {
  border-color: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.06);
}

.search-overlay__tags .tag:hover {
  border-color: rgba(255,255,255,0.4);
  color: var(--color-white);
  background: rgba(255,255,255,0.12);
}

/* ── MOBILE NAV ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .topbar__date { display: none; }
  .topbar__nav  { display: none; }
}

@media (max-width: 768px) {
  .topbar { display: none; }

  .hamburger { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: var(--z-fixed);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-4);
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__menu > li > a {
    padding: var(--space-4);
    font-size: var(--text-base);
    border-radius: var(--radius);
    border-bottom: var(--border-light);
  }

  .site-nav__menu .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-gray-50);
    border-radius: var(--radius);
    margin: var(--space-1) 0;
    padding: var(--space-2) 0;
    pointer-events: auto;
    display: none;
  }

  .site-nav__menu > li.is-open > .sub-menu {
    display: block;
  }

  /* Sembunyikan tombol desktop */
  .site-header__actions .btn {
    display: none;
  }

  .header-btn--search { display: flex; }
  .header-btn--notif  { display: none; }
  .header-btn--cart   { display: flex; }
  .header-user        { display: none; }
}

@media (max-width: 480px) {
  .site-logo__text {
    font-size: var(--text-lg);
  }
}