body {
  font-family: 'Segoe UI', sans-serif;
  background: #f9fafb;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.site-header {
  text-align: center;
  margin: 20px 0;
}
.logo {
  max-width: 200px;
  height: auto;
}
.email-security-checker {
  width: 100%;
  max-width: 800px;
  background: white;
  padding: 20px;
  margin-bottom: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  text-align: center;
}
.input-section {
  margin: 20px 0;
}
.input-section input {
  padding: 10px;
  width: 60%;
  max-width: 300px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.input-section button {
  padding: 10px 20px;
  margin-left: 8px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.score-display {
  margin: 20px 0;
}
.results {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}
.record-cards {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 20px;
}
.record-card {
  flex: 1 1 150px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 12px;
  background: #fafafa;
}
.record-card .status {
  font-size: 1.2em;
  margin: 8px 0;
}
.record-card.pass .status {
  color: #4caf50;
}
.record-card.warn .status {
  color: #ff9800;
}
.record-card.fail .status {
  color: #f44336;
}
.desc {
  font-size: 0.9em;
  color: #555;
}
.cta-section {
  margin-top: 32px;
}
.cta-btn-outline, .cta-btn-primary {
  padding: 12px 20px;
  margin: 6px;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
}
.cta-btn-outline {
  background: white;
  border: 2px solid #007bff;
  color: #007bff;
}
.cta-btn-primary {
  background: #007bff;
  color: white;
  border: none;
}
/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0; top: 0; width: 100%; height: 100%;
  overflow: auto; background: rgba(0,0,0,0.5);
}
.modal-content {
  background: white;
  margin: 10% auto; padding: 20px;
  width: 80%; max-width: 500px;
  border-radius: 8px; position: relative;
}
.close-btn {
  position: absolute; top: 10px; right: 15px;
  font-size: 24px; cursor: pointer;
}