/* ========================================
   Weekly Reports — 共享 Newsletter 样式
   无外部依赖，系统字体栈，响应式
   ======================================== */

/* --- 变量：两份周报各自覆盖 --- */
:root {
  --color-primary: #9a3412;
  --color-accent: #ea580c;
  --color-bg-light: #fff7ed;
  --color-card: #ffffff;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-neutral: #94a3b8;
  --max-width: 720px;
  --radius: 8px;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --color-bg-subtle: #f8fafc;
  --color-border-light: #f1f5f9;
  --color-star: #f59e0b;
  --color-star-empty: #d1d5db;
}

/* --- 基础重置 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background: var(--color-bg-subtle);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- 容器 --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 16px;
}

/* --- 头部 --- */
.report-header {
  text-align: center;
  padding: 32px 16px 24px;
  border-bottom: 3px solid var(--color-accent);
  margin-bottom: 24px;
}

.report-header .week-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.report-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.report-header .date-range {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* --- 摘要卡片 --- */
.summary-card {
  background: var(--color-bg-light);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 24px;
}

.summary-card .summary-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.summary-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.summary-card .tag {
  display: inline-block;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  margin: 2px 4px;
  white-space: nowrap;
}

/* --- 区块标题 --- */
.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin: 28px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

/* --- 关键词标签 --- */
.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.keyword-tag {
  background: var(--color-border-light);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

/* --- 数据表格 --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-table thead th {
  background: var(--color-bg-subtle);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border);
}

.data-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}

.data-table tbody tr:hover { background: #fafbfc; }

.data-table .rank-col { width: 48px; text-align: center; font-weight: 700; }
.data-table .price-col { width: 80px; text-align: right; }
.data-table .score-col { width: 80px; text-align: center; }
.data-table .date-col { width: 90px; text-align: center; font-size: 12px; color: var(--color-text-secondary); }
.data-table .type-col { width: 80px; text-align: center; }

/* --- 评分星星 --- */
.stars { color: var(--color-star); letter-spacing: 2px; }
.stars-empty { color: var(--color-star-empty); }

/* --- 趋势箭头 --- */
.trend-up { color: var(--color-success); font-weight: 700; }
.trend-down { color: var(--color-danger); font-weight: 700; }
.trend-flat { color: var(--color-neutral); }

/* --- 统计卡片行 --- */
.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 120px;
  background: var(--color-card);
  padding: 16px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--color-border);
}

.stat-card .stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* --- 精选条目卡片 --- */
.featured-list {
  margin-bottom: 24px;
}

.featured-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  background: #ffffff;
}

.featured-item .featured-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.featured-item .featured-meta {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.featured-item .featured-analysis {
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.6;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--color-border-light);
}

.featured-item .featured-tags {
  display: flex;
  gap: 6px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.badge-invention { background: #dcfce7; color: #166534; }
.badge-utility { background: #dbeafe; color: #1e40af; }
.badge-design { background: #fef3c7; color: #92400e; }

/* --- 重叠标记 --- */
.overlap-badge {
  display: inline-block;
  background: #fef3c7;
  color: #92400e;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  margin-left: 4px;
}

/* --- 趋势小图 --- */
.trend-mini-chart {
  font-family: monospace;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--color-text-secondary);
}

/* --- 页脚 --- */
.report-footer {
  text-align: center;
  padding: 24px 16px;
  margin-top: 32px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-neutral);
}

.report-footer a {
  color: var(--color-accent);
  text-decoration: none;
}

.report-footer a:hover { text-decoration: underline; }

/* --- 响应式 --- */
@media (max-width: 600px) {
  .container { padding: 16px 12px; }
  .report-header h1 { font-size: 20px; }
  .stats-row { flex-direction: column; }
  .table-wrapper { overflow-x: auto; }
  .data-table { font-size: 12px; }
  .data-table thead th,
  .data-table tbody td { padding: 8px 6px; }
}