div {
  display: flex;
  flex-direction: column;
}

body {
  margin: 0;
  background: #f5f6fa;
  font-family: -apple-system, system-ui, sans-serif;
  color: #2f3542;
  overscroll-behavior-y: none;
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

.page-title { font-size: 1.4rem; margin-bottom: 4px; }
p.note { color: #747d8c; font-size: .85rem; margin-bottom: 16px; }

.card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  margin: 10px;
}
.card h2 { font-size: 1.05rem; margin-bottom: 2px; }

.query {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .7rem;
  color: #5f27cd;
  background: #f0ebff;
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.query::before { content: "⌕"; font-weight: 700; font-size: .8rem; }

.chart { height: 320px; }

.empty-state { padding: 80px 20px; text-align: center; }
.empty-state h1 { font-size: 1.6rem; margin-bottom: 8px; }
.empty-state p { color: #747d8c; }