* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #111);
}

#empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--tg-theme-hint-color, #888);
}

#file-input {
  margin-top: 12px;
}

.card {
  border: 1px solid var(--tg-theme-hint-color, #ddd);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 16px;
  background: var(--tg-theme-secondary-bg-color, #f7f7f7);
}

.card h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.card .meta {
  font-size: 12px;
  color: var(--tg-theme-hint-color, #888);
  margin-bottom: 8px;
}

.card .status {
  font-size: 12px;
  margin-top: 6px;
}

.card .status.ok { color: #2ea043; }
.card .status.error { color: #cf3a3a; }

.chart-wrap {
  position: relative;
}

details {
  margin-top: 10px;
}

details summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--tg-theme-link-color, #2481cc);
}

.subrow {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 3px 0;
  border-bottom: 1px solid rgba(128, 128, 128, 0.15);
}