/* ============================================
   TV NEWS DESIGN SYSTEM — Header
   Styles for topbar, main header, ticker, and modals
   ============================================ */

/* ================================================
   TOP BAR
   ================================================ */

.topbar {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  height: 36px;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

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

.topbar__date {
  font-weight: 500;
}

.topbar__separator {
  color: var(--color-border);
}

.topbar__weather {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Topbar Social */
.topbar__social {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar__social-link {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
}

.topbar__social-link:hover {
  color: var(--color-accent-red);
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
}

.theme-toggle svg {
  transition: transform 0.5s ease;
}

.theme-toggle:hover svg {
  transform: rotate(45deg);
}

/* ================================================
   MAIN HEADER
   ================================================ */

.header {
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

[data-theme='light'] .header {
  background: rgba(255, 255, 255, 0.95);
}

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

.header.header--hidden {
  transform: translateY(-100%);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: height var(--transition-base);
}

.header.header--scrolled .header__inner {
  height: 60px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo__icon {
  background: var(--color-accent-red);
  color: #FFFFFF;
  padding: 6px 10px;
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1;
  border-radius: 4px;
}

.logo__text {
  color: var(--color-text-primary);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 2px;
  margin-left: 8px;
  line-height: 1;
}

/* Main Navigation */
.header__nav {
  height: 100%;
}

.nav__list {
  display: flex;
  list-style: none;
  height: 100%;
  gap: var(--space-xl);
}

.nav__item,
.menu-item {
  height: 100%;
  display: flex;
  align-items: center;
}

.nav__link,
.menu-item a {
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.nav__link::after,
.menu-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-accent-red);
  transition: width var(--transition-base);
  border-radius: 3px 3px 0 0;
}

.nav__link:hover,
.menu-item a:hover {
  color: var(--color-accent-red);
}

.nav__link:hover::after,
.nav__link--active::after,
.menu-item a:hover::after,
.current-menu-item > a::after {
  width: 100%;
}

.nav__link--active,
.current-menu-item > a {
  color: var(--color-accent-red);
}

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header__search-btn {
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.header__search-btn:hover {
  color: var(--color-accent-red);
  background: var(--color-bg-surface);
}

/* Mobile Menu Button */
.header__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 100;
}

.header__menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header__menu-btn.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.header__menu-btn.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ================================================
   BREAKING NEWS TICKER
   ================================================ */

.ticker {
  background: linear-gradient(90deg, var(--color-accent-red-dark), var(--color-accent-red));
  height: 44px;
  display: flex;
  color: #FFFFFF;
  position: relative;
  z-index: calc(var(--z-sticky) - 1);
  overflow: hidden;
}

.ticker__label {
  background: #8B0000;
  font-family: var(--font-accent);
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
  position: relative;
  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
}

.ticker__breaking-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FFFFFF;
  animation: pulse 1.5s infinite;
}

.ticker__wrapper {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
}

.ticker__content {
  display: flex;
  white-space: nowrap;
  animation: tickerScroll 30s linear infinite;
  align-items: center;
}

.ticker__content:hover {
  animation-play-state: paused;
}

.ticker__item {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-block;
  cursor: pointer;
}

.ticker__item:hover {
  text-decoration: underline;
}

.ticker__separator {
  margin: 0 var(--space-xl);
  font-size: 0.6rem;
  opacity: 0.5;
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); } /* Assumes content is duplicated via JS */
}

/* ================================================
   SEARCH MODAL
   ================================================ */

.search-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

[data-theme='light'] .search-modal {
  background: rgba(255, 255, 255, 0.95);
}

.search-modal.active {
  opacity: 1;
  visibility: visible;
}

.search-modal__inner {
  width: 100%;
  max-width: 800px;
  padding: var(--space-2xl);
  transform: translateY(-20px);
  transition: transform var(--transition-base);
}

.search-modal.active .search-modal__inner {
  transform: translateY(0);
}

.search-modal__close {
  position: absolute;
  top: 30px;
  right: 30px;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.search-modal__close:hover {
  background: var(--color-bg-surface);
  color: var(--color-accent-red);
  transform: rotate(90deg);
}

.search-modal__title {
  font-family: var(--font-accent);
  font-size: 2rem;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.search-modal__form {
  position: relative;
  margin-bottom: var(--space-2xl);
}

.search-modal__input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--color-border);
  font-size: 2rem;
  color: var(--color-text-primary);
  padding: var(--space-md) 0;
  font-family: var(--font-primary);
  font-weight: 300;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-modal__input::placeholder {
  color: var(--color-text-muted);
}

.search-modal__input:focus {
  border-color: var(--color-accent-red);
}

.search-modal__submit {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--color-accent-red);
  font-family: var(--font-accent);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.search-modal__submit:hover {
  color: var(--color-accent-red-hover);
}

.search-modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: center;
}

.search-modal__tag-label {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
}