body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f5;
}

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

.header {
  background: #d90429;
  color: white;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { font-weight: 700; }

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-email {
  font-size: 14px;
  opacity: 0.9;
}

.btn {
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
}

.btn.primary {
  background: #ffcc00;
  color: #000;
}

.btn.secondary {
  background: #ffffff;
  color: #d90429;
}

.main {
  padding: 30px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.cards {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.card {
  flex: 1;
  background: white;
  border-radius: 10px;
  padding: 15px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

pre {
  background: #111827;
  color: #e5e7eb;
  padding: 10px;
  border-radius: 6px;
  font-size: 12px;
  overflow-x: auto;
}