:root {
  color-scheme: light;
  --bg: #f7f7f7;
  --ink: #1f2933;
  --line: #e5e7eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.viewer {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.report-code {
  border-bottom: 1px solid var(--line);
  background: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.75rem 1rem;
  text-align: center;
}

#report-frame {
  width: 100%;
  flex: 1;
  min-height: 0;
  background: #fff;
}

.message {
  margin: auto;
  max-width: 30rem;
  padding: 1rem;
  text-align: center;
}

[hidden] {
  display: none !important;
}