body {
  font-family: system-ui, sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f7fa;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

h1 {
  font-size: 1.8em;
  margin-bottom: 20px;
  text-align: center;
}

form {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
}

input[type="url"] {
  flex: 1;
  padding: 10px;
  font-size: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  padding: 10px 20px;
  font-size: 1em;
  background: #0077cc;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background: #005fa3;
}

#reports {
  border-top: 1px solid #ccc;
  padding-top: 20px;
}