:root {
  --primary: #1976d2;
  --success: #28a745;
  --danger: #dc3545;
  --bg: #f9f9f9;
  --card: #fff;
  --border: #e0e0e0;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 2rem auto;
  background: var(--card);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  padding: 2rem;
}

h2 {
  color: var(--primary);
  margin-top: 0;
}

.status {
  margin-bottom: 1rem;
  font-weight: bold;
}

input[type="file"] {
  margin-bottom: 1rem;
}

#results-container {
  margin-top: 2rem;
}

.result-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
  background: #fafbfc;
}

.result-card h3 {
  margin: 0 0 0.5rem 0;
  color: var(--primary);
}