* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0f1220;
  font-family: system-ui, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: white;
}

.container {
  background: #1b1f3a;
  padding: 20px;
  border-radius: 16px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}

h1 {
  text-align: center;
  margin-bottom: 16px;
}

label {
  font-size: 14px;
  opacity: 0.85;
}

input, select, button {
  width: 100%;
  padding: 12px;
  margin: 8px 0 14px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
}

button {
  background: #6c63ff;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #584cff;
}

.copy {
  background: #22c55e;
}

.password-box {
  display: flex;
  gap: 6px;
}

.eye {
  width: 50px;
  background: #2a2f55;
}

.strength {
  width: 100%;
  height: 8px;
  background: #2a2f55;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 6px;
}

#strengthBar {
  height: 100%;
  width: 0%;
  background: red;
  transition: width 0.3s ease;
}

#strengthText {
  font-size: 13px;
  margin-bottom: 12px;
  opacity: 0.85;
}