/* morning-brief.css - AI 晨间简报专区样式 */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-page: #FAFAFA;
  --bg-card: #FFFFFF;
  --bg-panel: #FFFFFF;
  --bg-panel-hover: #F8FAFC;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-card: rgba(0, 0, 0, 0.08);
  --border-focus: #06B6D4;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-dim: #94A3B8;
  --accent-cyan: #06B6D4;
  --accent-teal: #14B8A6;
  --accent-indigo: #6366F1;
  --accent-purple: #8B5CF6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 30px rgba(6, 182, 212, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: #0B0F19;
    --bg-card: #111827;
    --bg-panel: #111827;
    --bg-panel-hover: #1E293B;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-card: rgba(255, 255, 255, 0.08);
    --border-focus: #22D3EE;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --text-dim: #64748B;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(6, 182, 212, 0.15);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* Header & Nav */
header.topbar {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.9);
  backdrop-filter: blur(12px);
}

@media (prefers-color-scheme: dark) {
  header.topbar {
    background: rgba(11, 15, 25, 0.9);
  }
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-icon {
  width: 2.2rem;
  height: 2.2rem;
  background: linear-gradient(135deg, #171717, #06B6D4);
  border-radius: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #06B6D4, #14B8A6);
  color: #000;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: var(--bg-card);
  border-color: var(--border-card);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.breadcrumbs a:hover {
  color: var(--accent-cyan);
}

/* Hero Banner */
.brief-hero {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(20, 184, 166, 0.04));
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}

.brief-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.brief-hero h1 {
  font-size: 2.25rem;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.brief-hero p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 750px;
}

.brief-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.brief-hero-stats strong {
  color: var(--text-main);
}

/* Search & Filter Bar */
.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.search-wrapper {
  display: flex;
  gap: 0.75rem;
}

.search-input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--accent-cyan);
}

.tag-pills {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.tag-btn {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.tag-btn:hover, .tag-btn.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #000;
  font-weight: 600;
}

/* Briefs Grid */
.briefs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.brief-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}

.brief-card:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: var(--shadow-md);
}

.brief-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.brief-date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.brief-signals-count {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-dim);
}

@media (prefers-color-scheme: dark) {
  .brief-signals-count {
    background: rgba(255, 255, 255, 0.06);
  }
}

.brief-card-title {
  font-size: 1.15rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.brief-card-title a:hover {
  color: var(--accent-cyan);
}

.brief-card-judgment {
  background: rgba(6, 182, 212, 0.04);
  border-left: 3px solid var(--accent-cyan);
  padding: 0.75rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.brief-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tag-badge {
  padding: 0.2rem 0.5rem;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.brief-card-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Detail Page Styles */
.article-header {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(20, 184, 166, 0.05));
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.article-header h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin: 1rem 0;
}

.core-judgment-box {
  background: rgba(6, 182, 212, 0.06);
  border-left: 4px solid var(--accent-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
}

.core-judgment-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.core-judgment-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-main);
}

.view-mode-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.view-mode-btns {
  display: flex;
  gap: 0.5rem;
}

.mode-btn {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.mode-btn.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #000;
}

/* One Screen Summary */
.summary-section {
  margin-bottom: 3rem;
}

.section-heading {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-heading::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

.summary-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.summary-num {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.summary-text {
  font-size: 0.85rem;
  color: var(--text-main);
  line-height: 1.6;
}

/* News Section & Articles */
.news-section {
  margin-bottom: 3rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s;
}

.article-card:hover {
  border-color: rgba(6, 182, 212, 0.3);
}

.article-card-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.08);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.article-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.article-card-content {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.article-card-sources {
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.article-card-sources a {
  color: var(--accent-cyan);
}

.article-card-sources a:hover {
  text-decoration: underline;
}

/* Pagination Nav */
.brief-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.prev-brief, .next-brief {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all 0.2s;
}

.prev-brief:hover, .next-brief:hover {
  border-color: var(--accent-cyan);
}

.pagination-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.pagination-title {
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Footer */
footer {
  margin-top: auto;
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}