/* ==========================================================
   PETFEL NEWS LAYOUT
   Phase 5: news hub, news cards, ticker, tabs, single news
   ========================================================== */

/* ---- NEWS HUB PAGE ---- */
.news-hub {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* News hub header */
.news-hub__header {
  background: var(--primary);
  margin: 0 calc(-50vw + 50%);
  width: 100vw;
  padding: var(--space-10) 0 var(--space-8);
  margin-bottom: 0;
}
.news-hub__header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.news-hub__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: var(--weight-bold);
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.news-hub__desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.55);
  font-weight: var(--weight-light);
  max-width: 560px;
  margin-bottom: var(--space-5);
}

/* ---- NEWS TICKER ---- */
.news-ticker {
  background: var(--accent);
  overflow: hidden;
  height: 36px;
  display: flex;
  align-items: center;
  margin: 0 calc(-50vw + 50%);
  width: 100vw;
}
.news-ticker__label {
  background: rgba(0,0,0,0.2);
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-black);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
  gap: var(--space-2);
}
.news-ticker__track {
  flex: 1;
  overflow: hidden;
  position: relative;
}
.news-ticker__inner {
  display: flex;
  gap: var(--space-8);
  white-space: nowrap;
  animation: ticker-scroll 40s linear infinite;
  width: max-content;
}
.news-ticker__inner:hover { animation-play-state: paused; }
.news-ticker__item {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.9);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.news-ticker__item::after {
  content: '•';
  color: rgba(255,255,255,0.4);
}
.news-ticker__item a {
  color: inherit;
  text-decoration: none;
  font-weight: var(--weight-medium);
}
.news-ticker__item a:hover { text-decoration: underline; }

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

/* ---- NEWS CATEGORY TABS ---- */
.news-tabs-bar {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: var(--nav-h);
  z-index: var(--z-sticky);
  margin: 0 calc(-50vw + 50%);
  width: 100vw;
}
.news-tabs-bar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.news-tabs-bar__inner::-webkit-scrollbar { display: none; }

.news-tab {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-3);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: inherit;
  transition: color var(--duration-fast), border-color var(--duration-fast);
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.news-tab:hover { color: var(--primary); }
.news-tab.is-active { color: var(--primary); border-bottom-color: var(--accent); font-weight: var(--weight-semi); }

/* ---- NEWS PAGE BODY ---- */
.news-page-body {
  padding-top: var(--space-8);
}

/* News layout: main content + sidebar */
.news-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: var(--space-10);
  align-items: start;
}
.news-layout .sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 50px + var(--space-4));
  max-height: calc(100vh - var(--nav-h) - 50px - var(--space-8));
  overflow-y: auto;
  scrollbar-width: none;
}
.news-layout .sidebar::-webkit-scrollbar { display: none; }

/* ---- NEWS HERO CARD ---- */
.news-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
  transition: box-shadow var(--duration-base);
}
.news-hero:hover { box-shadow: var(--shadow-lg); }

.news-hero__img {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 64px;
}
.news-hero__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease);
}
.news-hero:hover .news-hero__img img { transform: scale(1.03); }

.news-hero__body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-hero__tags { display: flex; gap: var(--space-2); margin-bottom: var(--space-4); flex-wrap: wrap; }
.news-hero__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: var(--space-4);
}
.news-hero__title a { color: inherit; text-decoration: none; transition: color var(--duration-fast); }
.news-hero__title a:hover { color: var(--primary); }
.news-hero__excerpt {
  font-size: var(--text-base);
  color: var(--text-3);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-4);
  margin-top: auto;
}
.news-hero__meta a { color: var(--accent); font-weight: var(--weight-semi); text-decoration: none; }

/* ---- NEWS GRID (hub page) ---- */
.news-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.news-hub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: block;
  text-decoration: none;
  transition: all var(--duration-base) var(--ease);
}
.news-hub-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.news-hub-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
}
.news-hub-card__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--duration-slow) var(--ease);
}
.news-hub-card:hover .news-hub-card__img img { transform: scale(1.04); }
.news-hub-card__body { padding: var(--space-4); }
.news-hub-card__tags { display: flex; gap: var(--space-2); margin-bottom: var(--space-2); }
.news-hub-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  line-height: var(--leading-snug);
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: var(--space-2);
}
.news-hub-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-3);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-3);
}
.news-hub-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-lt);
}

/* ---- SINGLE NEWS ARTICLE ---- */
.news-article-page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
  padding-top: var(--space-8);
}
.news-article-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: var(--space-10);
  align-items: start;
}
.news-article-layout .sidebar {
  position: sticky;
  top: calc(var(--nav-h) + var(--space-4));
  max-height: calc(100vh - var(--nav-h) - var(--space-8));
  overflow-y: auto;
  scrollbar-width: none;
}
.news-article-layout .sidebar::-webkit-scrollbar { display: none; }

.news-article-header { margin-bottom: var(--space-6); }
.news-article-header__tags { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-4); }
.news-article-header__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: var(--weight-bold);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: var(--space-4);
}
.news-article-header__intro {
  font-size: var(--text-lg);
  color: var(--text-2);
  line-height: 1.6;
  font-weight: var(--weight-light);
  margin-bottom: var(--space-5);
}
/* News meta bar — more compact than article */
.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-3);
  margin-bottom: var(--space-6);
}
.news-freshness {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-left: auto;
}

/* News share bar — prominent, top of article */
.news-share-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.news-share-bar__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-right: var(--space-1);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 960px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-layout .sidebar { display: none; }
  .news-article-layout { grid-template-columns: 1fr; }
  .news-article-layout .sidebar { display: none; }
  .news-hero { grid-template-columns: 1fr; }
  .news-hero__img { aspect-ratio: 16/9; }
  .news-hero__body { padding: var(--space-5); }
}
@media (max-width: 768px) {
  .news-hub-grid { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
  .news-hub { padding: 0 var(--space-4); }
  .news-article-page { padding: 0 var(--space-4); padding-top: var(--space-5); }
  .news-hub__header-inner { padding: 0 var(--space-4); }
}