body {
    background: radial-gradient(circle at center, #181818, #000);
    color: #fff;
    font-family: 'Segoe UI', sans-serif;
    text-align: center;
    padding: 40px;
  }
  h1 { margin-bottom: 15px; }
  .container {
    background: rgba(255,255,255,0.05);
    width: 90%;
    max-width: 550px;
    margin: 0 auto;
    padding: 25px;
    border-radius: 10px;
  }
  .password-wrapper { position: relative; display: inline-block; width: 90%; }
  input[type="password"], input[type="text"] {
    width: 80%; padding: 12px 45px 12px 12px;
    border-radius: 8px; border: none; background: #222;
    color: #eee; font-size: 1em; text-align: center;
  }
  .toggle-btn {
    position: absolute; /*right: 10px;*/ top: 9px;
    background: none; border: none; color: #ccc;
    font-size: 1.2em; cursor: pointer;
  }
  .toggle-btn:hover { color: #fff; }
  .bar-container {
    width: 90%; height: 15px; background: #333;
    border-radius: 8px; margin: 15px auto; overflow: hidden;
  }
  .bar { height: 100%; width: 0%; background: #f00;
    border-radius: 8px; transition: width .3s, background .3s; }
  .highlight { color: #00ffcc; }
  .entropy { margin-top: 10px; color: #9cf; font-size: .9em; }
  .hint { color: #ff8888; font-size: .9em; }
  .feedback { font-size: 1em; margin-top: 10px; text-align: left; }
  button.generate {
    margin-top: 15px; background: #00aa88; border: none;
    padding: 10px 20px; color: #fff; font-size: 1em;
    border-radius: 6px; cursor: pointer; transition: background .3s;
  }
  button.generate:hover { background: #00ccaa; }
  .options { margin-top: 10px; font-size: .9em; color: #aaa; }
  .breach-warning {
    margin-top: 12px; font-size: .95em; padding: 10px; border-radius: 6px;
  }
  .breached { background: rgba(255,0,0,.2); color: #ff6666; }
  .safe { background: rgba(0,255,100,.1); color: #00ff88; }