* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 5vh;
  background: linear-gradient(135deg, #1e3c72, #2a5298);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  padding: 20px;
}

#container {
  width: 100%;
  max-width: 600px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 40px;
  backdrop-filter: blur(10px);
}

h1 {
  color: #2a5298;
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 30px;
  font-weight: 700;
}

.password-form {
  width: 100%;
  padding: 12px;
  margin: 5px 0 15px;
  font-size: 1.3em;
  font-family: 'Courier New', monospace;
  color: #2a5298;
  background: #f8f9fa;
  border: 2px solid #e9ecef;
  border-radius: 10px;
  transition: all 0.3s ease;
  text-align: center;
}

.password-form:focus {
  outline: none;
  border-color: #2a5298;
  box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.2);
}

#generate-button {
  background: #2a5298;
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 1.1em;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 200px;
  margin: 0 auto;
  display: block;
}

#generate-button:hover {
  background: #1e3c72;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

#generate-button:active {
  transform: translateY(0);
}