:root {
  --bg-start: #1D2B64;
  --bg-end: #F8CDDA;
  --surface: #ffffff;
  --surface-muted: #f8f9fa;
  --surface-alt: #f8f9ff;
  --primary: #1D2B64;
  --primary-light: #e8eaf6;
  --accent-danger: #e53e3e;
  --accent-warning: #dd6b20;
  --accent-success: #38a169;
  --text-strong: #1a3a4a;
  --text-body: #4a5568;
  --shadow-base: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.25);
  --transition-snappy: 0.2s ease-in-out;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 25px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  color: var(--text-body);
  min-height: 100vh;
}

.container,
.card-container {
  max-width: 900px;
  margin: 0 auto;
}

.container {
  padding-bottom: 60px;
}

.card-container {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  overflow: hidden;
}

.header {
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  color: #ffffff;
  padding: 30px;
  text-align: center;
}

.header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.header p {
  margin: 10px 0 0;
  opacity: 0.9;
  font-size: 16px;
}

.content {
  padding: 40px;
  background: var(--surface);
}

.container > h1 {
  color: #ffffff;
  text-align: center;
  margin: 0 0 30px;
  font-size: 2.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

.date-range {
  color: #eeeeee;
  text-align: center;
  font-size: 1.2rem;
  margin: -20px 0 30px;
}

.news-card,
.news-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: var(--shadow-base);
  border-left: 5px solid var(--primary);
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
}

.news-card:hover,
.news-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.news-card h2,
.news-item .news-title {
  margin: 0 0 15px;
  color: var(--text-strong);
  display: flex;
  align-items: center;
  font-size: 1.25rem;
}

.news-card h2 .news-index {
  flex-shrink: 0;
  display: inline-block;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  margin-right: 15px;
  font-size: 16px;
}

.priority-badge {
  display: inline-block;
  color: #ffffff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-right: 15px;
}

.high-priority { background: var(--accent-danger); }
.medium-priority { background: var(--accent-warning); }
.low-priority { background: var(--accent-success); }

.news-description,
.summary {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 15px;
}

.tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 700;
  margin: 0 8px 10px 0;
}

.value-analysis,
.analysis {
  margin-top: 20px;
  padding: 15px 20px;
  background: var(--surface-muted);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
}

.value-title,
.analysis h3 {
  margin: 0 0 10px;
  color: var(--text-strong);
  font-size: 18px;
}

.value-analysis p,
.analysis p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.pros-cons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 15px;
}

.pros,
.cons {
  padding: 15px;
  border-radius: var(--radius-sm);
}

.pros {
  background: #f0fff4;
  border-left: 3px solid var(--accent-success);
}

.cons {
  background: #fff5f5;
  border-left: 3px solid var(--accent-danger);
}

.pros h4,
.cons h4 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
}

.pros h4 {
  color: var(--accent-success);
}

.cons h4 {
  color: var(--accent-danger);
}

.pros ul,
.cons ul {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.5;
}

.warning-section {
  margin-top: 40px;
  padding: 25px;
  background: #fffbeb;
  border: 1px solid #f6ad55;
  border-radius: var(--radius-md);
  color: var(--text-strong);
}

.warning-title {
  display: flex;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #c05621;
}

.warning-icon {
  margin-right: 10px;
  font-size: 1.4rem;
}

.news-list-section,
.references-section {
  margin-top: 40px;
  background: var(--surface-alt);
  border-radius: var(--radius-md);
  padding: 30px;
}

.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-strong);
  border-bottom: 3px solid var(--primary);
  padding-bottom: 10px;
}

.news-category {
  margin-bottom: 30px;
}

.news-category h3 {
  margin: 0 0 15px;
  color: var(--text-body);
  font-size: 1.1rem;
  font-weight: 600;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.news-brief {
  background: var(--surface);
  padding: 15px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
  color: var(--text-body);
  line-height: 1.5;
}

.news-brief strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text-strong);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.ref-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ref-item {
  padding: 12px 0;
  border-bottom: 1px solid #cbd5e0;
  color: var(--text-body);
  line-height: 1.5;
}

.ref-item a {
  color: var(--primary);
  text-decoration: none;
}

.ref-item:last-child {
  margin-bottom: 0;
  border-bottom: none;
}

.ref-item a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  body {
    padding: 20px 15px;
  }

  .content {
    padding: 25px;
  }

  .news-card,
  .news-item {
    padding: 20px;
  }

  .news-grid,
  .references-grid {
    grid-template-columns: 1fr;
  }
}