*{background-color:#2f2f2f;color:#fff}*{box-sizing:border-box;font-family:Arial,sans-serif;margin:0;padding:0}body{background:#2f2f2f;display:flex;justify-content:center;align-items:center;height:100vh;color:#fff}.app-container{width:500px;background:#1e1e1e;padding:25px;border-radius:15px;box-shadow:0 6px 20px #0006}.title{text-align:center;margin-bottom:20px;color:#ff9800}.password-box{display:flex;align-items:center;margin-bottom:20px}.password-input{flex:1;height:40px;padding:8px 12px;font-size:16px;border:none;border-radius:8px 0 0 8px;outline:none}.copy-btn{height:40px;padding:0 15px;border:none;border-radius:0 8px 8px 0;background:#4cafef;color:#fff;font-weight:700;cursor:pointer;transition:.2s}.copy-btn:hover{background:#3997db}.controls{display:flex;flex-direction:column;gap:15px}.control{display:flex;align-items:center;gap:10px}.control label{font-size:16px;color:#ff9800}