/* ===================================================================
   AllUpdate247 — Header Styles
   =================================================================== */

/* --- Site Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  transition: box-shadow var(--transition);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

/* --- Logo --- */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: var(--fw-extrabold);
  font-size: var(--text-sm);
  letter-spacing: -0.5px;
}

.site-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--fw-extrabold);
  color: var(--text);
  letter-spacing: -0.5px;
}

.site-logo-text span {
  color: var(--primary);
}

/* --- Main Navigation --- */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  border-radius: var(--radius);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  font-weight: var(--fw-semibold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

/* --- Header Right Actions --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* --- Search Toggle Button --- */
.search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-toggle:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* --- Search Overlay --- */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-overlay);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}

.search-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.search-box {
  width: 100%;
  max-width: 680px;
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-20px);
  transition: transform var(--transition);
}

.search-overlay.open .search-box {
  transform: translateY(0);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  gap: var(--space-3);
}

.search-input-wrapper svg {
  color: var(--muted);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--text-lg);
  color: var(--text);
  background: transparent;
  caret-color: var(--primary);
}

.search-input::placeholder {
  color: var(--muted-light);
}

.search-close {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
  white-space: nowrap;
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-2) 0;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.search-result-item:hover {
  background: var(--surface-2);
}

.search-result-img {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface-2);
}

.search-result-title {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--text);
  line-height: var(--lh-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-meta {
  font-size: var(--text-xs);
  color: var(--muted);
  margin-top: var(--space-1);
}

.search-empty {
  text-align: center;
  padding: var(--space-8);
  color: var(--muted);
  font-size: var(--text-sm);
}

/* --- Mobile Hamburger Button --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hamburger:hover {
  background: var(--surface-2);
}

.hamburger-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.hamburger.open .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Navigation Drawer --- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--surface);
  z-index: calc(var(--z-header) - 1);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--transition);
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
}

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

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.mobile-nav-link .nav-icon {
  font-size: 1.1em;
}

.mobile-nav-divider {
  height: 1px;
  background: var(--surface-2);
  margin: var(--space-2) 0;
}

/* --- Breaking News Bar --- */
.breaking-news-bar {
  background: var(--primary);
  color: #fff;
  padding: var(--space-2) 0;
  font-size: var(--text-xs);
  overflow: hidden;
}

.breaking-news-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.breaking-label {
  background: var(--secondary);
  padding: 0.2em 0.75em;
  border-radius: var(--radius-full);
  font-weight: var(--fw-bold);
  font-size: var(--text-xs);
  white-space: nowrap;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.breaking-ticker {
  display: flex;
  gap: var(--space-8);
  animation: ticker-scroll 35s linear infinite;
  white-space: nowrap;
}

.breaking-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.breaking-ticker-item a {
  color: #fff;
  font-weight: var(--fw-medium);
}

.breaking-ticker-item a:hover {
  text-decoration: underline;
}

.ticker-dot {
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
}

@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.breaking-news-bar:hover .breaking-ticker {
  animation-play-state: paused;
}