:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --ok: #0f766e;
  --err: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", "Pretendard", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #eef2ff 0%, #f9fafb 40%, #f4f5f7 100%);
}

.app {
  width: min(1200px, 100% - 32px);
  margin: 24px auto 40px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}

h1 {
  margin: 0;
  font-size: 24px;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--muted);
}

.status {
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f3f4f6;
  color: #1f2937;
}

.status.success {
  background: #ecfeff;
  color: var(--ok);
}

.status.error {
  background: #fef2f2;
  color: var(--err);
}

.meta {
  margin-top: 12px;
  color: #374151;
}

.report-frame {
  margin-top: 14px;
  width: 100%;
  height: 75vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.hidden {
  display: none;
}