/* === NEWS PAGE — Feed & Post Detail === */

/* ── Page layout ── */
.news-page {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

/* ── Hero header ── */
.news-hero {
  text-align: center;
  margin-bottom: var(--space-8);
  position: relative;
}

.news-hero__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-ghost));
  color: var(--color-primary);
  font-size: 1.6rem;
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 24px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.15);
}

.news-hero__title {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.news-hero__subtitle {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  max-width: 420px;
  margin: 0 auto;
  line-height: var(--lh-relaxed);
}

/* ── News feed grid ── */
.news-feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ── News card ── */
.news-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.18);
}

.news-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  border-radius: 5px 0 0 5px;
}

.news-card__inner {
  padding: var(--space-5) var(--space-5) var(--space-5) calc(var(--space-5) + 8px);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Card header: avatar + author + date */
.news-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.news-card__avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.2);
}

.news-card__author-info {
  flex: 1;
  min-width: 0;
}

.news-card__author-name {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  line-height: 1.3;
}

.news-card__author-role {
  font-size: var(--fs-xs);
  color: var(--color-text-tertiary);
}

.news-card__date {
  font-size: var(--fs-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Card body */
.news-card__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: var(--lh-tight);
  margin: 0;
  transition: color var(--transition-fast);
}

.news-card:hover .news-card__title {
  color: var(--color-primary);
}

.news-card__text {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

/* Card footer */
.news-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.05);
}

.news-card__mod-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-card__mod-badge .news-card__mod-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.news-card__mod-badge:hover {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
}

.news-card__read-more {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  transition: gap var(--transition-fast);
}

.news-card:hover .news-card__read-more {
  gap: 8px;
}

/* ════════════════════════════════════════ */
/* ── NEWS POST — Single Article Detail ── */
/* ════════════════════════════════════════ */

.news-post {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

/* Back link */
.news-post__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) 0;
  margin-bottom: var(--space-5);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.news-post__back:hover {
  color: var(--color-primary);
}

/* Hero section */
.news-post__hero {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  margin-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.news-post__hero-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
}

.news-post__title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-5);
  letter-spacing: -0.01em;
}

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

.news-post__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.news-post__author:hover {
  opacity: 0.8;
}

.news-post__author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  box-shadow: 0 2px 10px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.2);
}

.news-post__author-name {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.news-post__author-role {
  font-size: var(--fs-xs);
  color: var(--color-text-tertiary);
}

.news-post__date {
  font-size: var(--fs-sm);
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-post__separator {
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-text-tertiary);
}

/* Article body */
.news-post__body {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.news-post__content {
  font-size: var(--fs-base);
  color: var(--color-text);
  line-height: var(--lh-relaxed);
}

/* Actions bar */
.news-post__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.news-post__mod-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-inverse);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-glow-primary);
  cursor: pointer;
}

.news-post__mod-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.3);
}

.news-post__back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.news-post__back-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .news-page {
    padding: var(--space-4) var(--space-3);
  }

  .news-hero__title {
    font-size: var(--fs-2xl);
  }

  .news-card__inner {
    padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + 8px);
  }

  .news-card__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .news-post {
    padding: var(--space-4) var(--space-3);
  }

  .news-post__hero {
    padding: var(--space-5) var(--space-4);
  }

  .news-post__title {
    font-size: var(--fs-xl);
  }

  .news-post__meta {
    gap: var(--space-3);
  }

  .news-post__body {
    padding: var(--space-4);
  }

  .news-post__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .news-post__mod-link,
  .news-post__back-btn {
    justify-content: center;
  }
}

/* ── Stagger animation for feed cards ── */
.news-feed.stagger-children > .news-card {
  opacity: 0;
  animation: newsCardIn 0.45s ease forwards;
}

.news-feed.stagger-children > .news-card:nth-child(1) { animation-delay: 0.05s; }
.news-feed.stagger-children > .news-card:nth-child(2) { animation-delay: 0.12s; }
.news-feed.stagger-children > .news-card:nth-child(3) { animation-delay: 0.19s; }
.news-feed.stagger-children > .news-card:nth-child(4) { animation-delay: 0.26s; }
.news-feed.stagger-children > .news-card:nth-child(5) { animation-delay: 0.33s; }
.news-feed.stagger-children > .news-card:nth-child(6) { animation-delay: 0.40s; }

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