body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f4f6fb;
  color: #17203a;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #1d3fb2;
  color: #fff;
}
header h1 { font-size: 18px; margin: 0; }
#session-box { font-size: 13px; }
#content { padding: 20px; display: grid; gap: 16px; }
.hidden { display: none; }
.button {
  display: inline-block;
  background: #1d3fb2;
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
}
.card {
  background: #fff;
  border: 1px solid #dde3ef;
  border-radius: 12px;
  padding: 14px 16px;
}
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.stat .value { font-size: 26px; font-weight: 700; }
.stat .label { font-size: 12px; color: #5a6784; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #eef1f7; }
th { color: #6b789a; font-weight: 600; }
tr.clickable:hover { background: #eef2fd; cursor: pointer; }
.timeline-item { border-left: 3px solid #1d3fb2; padding: 6px 12px; margin: 8px 0; background: #f8faff; border-radius: 6px; font-size: 13px; }
.timeline .type { font-weight: 700; }
.timeline .when { color: #7a86a2; font-size: 11px; }
.backlink { background: none; border: none; color: #1d3fb2; cursor: pointer; padding: 0; font-size: 13px; }
.chart { display: flex; gap: 10px; align-items: flex-end; height: 120px; padding-top: 8px; }
.bar-wrap { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; flex: 1; }
.bar { background: #1d3fb2; border-radius: 6px; width: 100%; }
.bar-label { font-size: 11px; color: #6b789a; margin-top: 6px; }
.growth-badge { padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #fff; }
.growth-badge.up { background: #16a34a; }
.growth-badge.down { background: #dc2626; }
.gran { border: 1px solid #dde3ef; padding: 6px 10px; border-radius: 999px; background: #fff; font-size: 12px; }
.gran.on { background: #e0e7ff; border-color: #93c5fd; font-weight: 600; }