.debug-box{background:#f8f9fa;border:2px solid #dc3545;padding:15px;margin:20px auto;max-width:700px;border-radius:10px;font-family:tahoma;direction:ltr;text-align:left;color:#721c24;font-size:14px;}
        .success-box{background:#d4edda;border-color:#c3e6cb;color:#155724;}
        .info-box{background:#d1ecf1;border-color:#bee5eb;color:#0c5460;}
        .auth-container{max-width:420px;margin:40px auto;padding:40px;background:#fff;border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.15);text-align:center;}
        input, button{font-family:inherit;}
        input[type=tel], input[type=text]{
            width:100%;padding:16px;font-size:19px;text-align:center;border:2px solid #3498db;border-radius:12px;box-sizing:border-box;direction:ltr;
        }
        input[type=tel]:focus, input[type=text]:focus{outline:none;border-color:#2980b9;}
        button{
            width:100%;padding:16px;margin-top:15px;background:#00b894;color:#fff;border:none;border-radius:12px;font-size:19px;cursor:pointer;transition:0.3s;
        }
        button:hover{background:#00a07e;}
        .back-link{margin-top:25px;display:block;color:#e74c3c;font-size:14px;text-decoration:none;}
        .back-link:hover{text-decoration:underline;}