/* =========================================
   NEWS PANEL SECTION CSS (MODERNIZED)
   File: assets/css/sections/news-panel.css
========================================= */

.news-panel-section {
  background: var(--background-light);
  padding: var(--space-12) 0;
  margin: var(--space-12) 0;
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.news-panel-section .container {
  width: var(--global-width-percent);
  max-width: var(--global-max-width);
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
}

.news-panel-header {
  margin-bottom: var(--space-6);
}

.news-panel-title {
  font-size: var(--font-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0 0 var(--space-4);
  font-family: var(--font-family);
  display: inline-block;
}

.news-panel-title::after {
  content: '→';
  margin-left: var(--space-3);
  font-weight: var(--font-regular);
}

/* Topic Filter Chips */
.news-topics-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--background-white);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: var(--font-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-family);
  text-decoration: none;
}

.topic-chip:hover {
  background: var(--background-white);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.topic-chip.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--background-white);
}

.topic-chip-icon {
  font-size: 10px;
}

/* News Columns Wrapper with Scroll */
.news-columns-container {
  position: relative;
}

.news-columns-wrapper {
  display: flex;
  gap: var(--space-6);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.news-column {
  flex: 0 0 calc(25% - var(--space-6));
  min-width: 280px;
  display: flex;
  flex-direction: column;
}

/* Scroll Navigation Arrows */
.news-scroll-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
}

.news-scroll-nav.left {
  left: -20px;
}

.news-scroll-nav.right {
  right: -20px;
}

.news-scroll-btn {
  width: 40px;
  height: 40px;
  background: var(--background-white);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-base);
  color: var(--text-primary);
  font-size: var(--font-lg);
}

.news-scroll-btn:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--background-white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.news-scroll-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  background: var(--background-light);
}

.news-scroll-btn:disabled:hover {
  background: var(--background-light);
  border-color: var(--border-light);
  color: var(--text-primary);
}

.news-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--border-light);
}

.news-column-title {
  font-size: var(--font-base);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0;
  font-family: var(--font-family);
}

.news-follow-btn {
  padding: 4px 12px;
  border: 1px solid var(--text-primary);
  background: transparent;
  border-radius: 4px;
  font-size: var(--font-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
  font-family: var(--font-family);
}

.news-follow-btn:hover {
  background: var(--background-light);
}

.news-follow-btn.following {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--background-white);
}

/* Article Items */
.news-article-item {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.news-article-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-article-thumb {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  overflow: hidden;
  display: block;
  border-radius: 2px;
}

.news-article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-base);
}

.news-article-item:hover .news-article-thumb img {
  transform: scale(1.05);
}

.news-article-content {
  flex: 1;
  min-width: 0;
}

.news-article-title {
  font-size: var(--font-sm);
  font-weight: var(--font-semibold);
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0 0 var(--space-2);
  font-family: var(--font-family);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-article-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.news-article-title a:hover {
  color: var(--brand-primary);
}

.news-article-time {
  display: block;
  font-size: var(--font-xs);
  color: var(--text-muted);
  font-weight: var(--font-medium);
  font-family: var(--font-family);
}

/* =========================================
   RESPONSIVE STYLES
========================================= */

@media (max-width: 1200px) {
  .news-column {
    flex: 0 0 calc(33.333% - var(--space-6));
  }
}

@media (max-width: 1024px) {
  .news-column {
    flex: 0 0 calc(50% - var(--space-6));
  }
}

@media (max-width: 768px) {
  .news-panel-section {
    padding: var(--space-8) 0;
  }
  
  .news-panel-title {
    font-size: var(--font-xl);
  }
  
  .news-topics-filter {
    margin-bottom: var(--space-6);
  }
  
  .news-column {
    flex: 0 0 100%;
  }
  
  .news-scroll-nav {
    display: none;
  }
  
  .news-columns-wrapper {
    overflow-x: auto;
  }
}