/* ==================================
   Deepsea - Insights Page Styles
   情报中心页面样式
   ================================== */

.insights-main {
  padding-top: 0;
}

.insights-hero {
  padding: calc(6rem + var(--space-3xl)) 0 var(--space-2xl);
  background: radial-gradient(70% 140% at 50% 0%, rgba(26, 167, 214, 0.2) 0%, rgba(4, 11, 22, 0) 70%);
  margin-top: -6rem;
}

.insights-hero-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.insights-title {
  font-size: clamp(2rem, 2.6vw + 1rem, 3rem);
  font-family: var(--font-display);
  margin-bottom: var(--space-md);
}

.insights-subtitle {
  max-width: 640px;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0 auto;
}

.insights-tabs {
  display: flex;
  gap: var(--space-md);
  border-bottom: 1px solid rgba(169, 188, 214, 0.15);
  overflow-x: auto;
  justify-content: center;
}

.insights-tab-btn {
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.insights-tab-btn:hover {
  color: var(--color-primary);
}

.insights-tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.insights-body {
  padding: var(--space-3xl) 0 var(--space-4xl);
}

.insights-tab-content {
  display: none;
}

.insights-tab-content.active {
  display: block;
}

/* News Grid */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--space-lg);
}

.insights-card {
  background: rgba(10, 22, 40, 0.75);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(169, 188, 214, 0.15);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transition: all var(--transition-base);
  animation: cardFadeInUp 0.6s ease-out backwards;
}

.insights-card:hover {
  border-color: rgba(26, 167, 214, 0.4);
  box-shadow: 0 12px 32px rgba(26, 167, 214, 0.15);
}

.insights-card-header {
  display: flex;
  gap: var(--space-lg);
  justify-content: space-between;
  align-items: flex-start;
}

.insights-card-title {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-tight);
}

.insights-card-summary {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  line-height: var(--line-height-relaxed);
}

.insights-badge {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.insights-badge[data-impact="high"] {
  background: rgba(255, 77, 109, 0.15);
  color: var(--color-error);
}

.insights-badge[data-impact="medium"] {
  background: rgba(255, 184, 72, 0.15);
  color: #FFB848;
}

.insights-badge[data-impact="low"] {
  background: rgba(57, 230, 143, 0.15);
  color: var(--color-success);
}

.insights-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
}

.insights-source {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* Signals Grid */
.signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.signal-card {
  background: rgba(10, 22, 40, 0.6);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(169, 188, 214, 0.12);
  padding: var(--space-lg);
}

.signal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.signal-title {
  font-size: var(--font-size-h5);
  font-weight: var(--font-weight-semibold);
}

.signal-change {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-md);
}

.signal-change.positive {
  color: var(--color-success);
  background: rgba(57, 230, 143, 0.15);
}

.signal-change.negative {
  color: var(--color-error);
  background: rgba(255, 77, 109, 0.15);
}

.signal-value {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  font-family: 'JetBrains Mono', monospace;
}

.signal-description {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

/* Brief Cards */
.brief-card {
  background: rgba(10, 22, 40, 0.6);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(169, 188, 214, 0.12);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.brief-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.brief-title {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
}

.brief-category {
  padding: 0.35rem 0.75rem;
  background: rgba(26, 167, 214, 0.15);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.brief-content {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-md);
}

.brief-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brief-timestamp {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* 动画定义 */
@keyframes cardFadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .insights-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .signals-grid {
    grid-template-columns: 1fr;
  }

  .insights-card-header {
    flex-direction: column;
  }

  .insights-badge {
    align-self: flex-start;
  }
}