.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--bg-main);
  border-bottom: 2px solid var(--primary);
  box-shadow: var(--shadow-header);
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header__logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -1px;
  flex-shrink: 0;
}

.header__logo span {
  color: var(--accent);
}

.header__nav {
  display: none;
  flex: 1;
}

.header__nav-list {
  display: flex;
  gap: var(--space-xs);
}

.header__nav-link {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 200ms ease, background 200ms ease;
  white-space: nowrap;
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--primary);
  background: rgba(0, 91, 172, 0.08);
}

.header__search {
  display: none;
  position: relative;
  flex-shrink: 0;
}

.header__search-input {
  width: 200px;
  padding: var(--space-xs) var(--space-sm) var(--space-xs) var(--space-xl);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 200ms ease, width 200ms ease;
}

.header__search-input:focus {
  border-color: var(--primary);
  width: 250px;
}

.header__search-btn {
  position: absolute;
  left: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 0.875rem;
}

.header__date {
  display: none;
  font-size: 0.75rem;
  color: var(--text-light);
  flex-shrink: 0;
  text-align: right;
  line-height: 1.4;
}

.header__menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  margin-left: auto;
}

.header__menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 300ms ease;
}

.header__menu-btn--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-btn--open span:nth-child(2) {
  opacity: 0;
}

.header__menu-btn--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header__mobile-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: var(--space-md);
}

.header__mobile-nav--open {
  display: block;
  animation: fadeIn 300ms ease-out;
}

.header__mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.header__mobile-nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--text-secondary);
  transition: background 200ms ease;
}

.header__mobile-nav-link:hover {
  background: var(--bg-secondary);
}

.breaking-ticker {
  background: var(--accent);
  color: var(--text-inverse);
  padding: var(--space-xs) 0;
  overflow: hidden;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.breaking-ticker__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.breaking-ticker__badge {
  background: var(--text-inverse);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  text-transform: uppercase;
  flex-shrink: 0;
  animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.breaking-ticker__marquee {
  overflow: hidden;
  white-space: nowrap;
  flex: 1;
}

.breaking-ticker__text {
  display: inline-block;
  animation: marquee 20s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

@media (min-width: 641px) {
  .header__search {
    display: block;
  }
}

@media (min-width: 1025px) {
  .header__nav { display: block; }
  .header__date { display: block; }
  .header__menu-btn { display: none; }
}